Merge branch 'feature/prediction-pollution-analysis' of https://gitea.gc-si.dev/gc/wing-ops into feature/prediction-pollution-analysis

# Conflicts:
#	docs/RELEASE-NOTES.md
#	frontend/src/common/components/map/MapView.tsx
#	frontend/src/tabs/prediction/components/OilSpillView.tsx
#	frontend/src/tabs/prediction/components/RightPanel.tsx

.claude/settings.json

@@ -5,29 +5,29 @@
   },
   "permissions": {
     "allow": [
-      "Bash(npm run *)",
+      "Bash(curl -s *)",
-      "Bash(npm install *)",
+      "Bash(fnm *)",
-      "Bash(npm test *)",
+      "Bash(git add *)",
-      "Bash(npx *)",
-      "Bash(node *)",
-      "Bash(git status)",
-      "Bash(git diff *)",
-      "Bash(git log *)",
       "Bash(git branch *)",
       "Bash(git checkout *)",
-      "Bash(git add *)",
       "Bash(git commit *)",
-      "Bash(git pull *)",
-      "Bash(git fetch *)",
-      "Bash(git merge *)",
-      "Bash(git stash *)",
-      "Bash(git remote *)",
       "Bash(git config *)",
+      "Bash(git diff *)",
+      "Bash(git fetch *)",
+      "Bash(git log *)",
+      "Bash(git merge *)",
+      "Bash(git pull *)",
+      "Bash(git remote *)",
       "Bash(git rev-parse *)",
       "Bash(git show *)",
+      "Bash(git stash *)",
+      "Bash(git status)",
       "Bash(git tag *)",
-      "Bash(curl -s *)",
+      "Bash(node *)",
-      "Bash(fnm *)"
+      "Bash(npm install *)",
+      "Bash(npm run *)",
+      "Bash(npm test *)",
+      "Bash(npx *)"
     ],
     "deny": [
       "Bash(git push --force*)",
@@ -84,4 +84,4 @@
       }
     ]
   }
-}
+}

.claude/workflow-version.json

@@ -1,7 +1,7 @@
 {
   "applied_global_version": "1.6.1",
-  "applied_date": "2026-03-11",
+  "applied_date": "2026-03-13",
   "project_type": "react-ts",
   "gitea_url": "https://gitea.gc-si.dev",
   "custom_pre_commit": true
-}
+}

docs/RELEASE-NOTES.md

@@ -6,6 +6,7 @@
 
 ### 추가
 - 시뮬레이션 에러 모달 추가
+- 해류 캔버스 파티클 레이어 추가
 
 ### 변경
 - 보고서 해안부착 현황 개선

frontend/src/common/components/map/MapView.tsx

@@ -1,7 +1,7 @@
 import { useState, useMemo, useEffect, useCallback, useRef } from 'react'
 import { Map, Marker, Popup, Source, Layer, useControl, useMap } from '@vis.gl/react-maplibre'
 import { MapboxOverlay } from '@deck.gl/mapbox'
-import { ScatterplotLayer, PathLayer, TextLayer, BitmapLayer } from '@deck.gl/layers'
+import { ScatterplotLayer, PathLayer, TextLayer, BitmapLayer, PolygonLayer } from '@deck.gl/layers'
 import type { PickingInfo, Layer as DeckLayer } from '@deck.gl/core'
 import type { StyleSpecification } from 'maplibre-gl'
 import type { MapLayerMouseEvent } from 'maplibre-gl'
@@ -194,6 +194,10 @@ interface MapViewProps {
   showBeached?: boolean
   showTimeLabel?: boolean
   simulationStartTime?: string
+  drawAnalysisMode?: 'polygon' | 'circle' | null
+  analysisPolygonPoints?: Array<{ lat: number; lon: number }>
+  analysisCircleCenter?: { lat: number; lon: number } | null
+  analysisCircleRadiusM?: number
 }
 
 // deck.gl 오버레이 컴포넌트 (MapLibre 컨트롤로 등록, interleaved)
@@ -321,6 +325,10 @@ export function MapView({
   showBeached = false,
   showTimeLabel = false,
   simulationStartTime,
+  drawAnalysisMode = null,
+  analysisPolygonPoints = [],
+  analysisCircleCenter,
+  analysisCircleRadiusM = 0,
 }: MapViewProps) {
   const { mapToggles } = useMapStore()
   const isControlled = externalCurrentTime !== undefined
@@ -541,6 +549,91 @@ export function MapView({
       )
     }
 
+    // --- 오염분석 다각형 그리기 ---
+    if (analysisPolygonPoints.length > 0) {
+      if (analysisPolygonPoints.length >= 3) {
+        result.push(
+          new PolygonLayer({
+            id: 'analysis-polygon-fill',
+            data: [{ polygon: analysisPolygonPoints.map(p => [p.lon, p.lat] as [number, number]) }],
+            getPolygon: (d: { polygon: [number, number][] }) => d.polygon,
+            getFillColor: [168, 85, 247, 40],
+            getLineColor: [168, 85, 247, 220],
+            getLineWidth: 2,
+            stroked: true,
+            filled: true,
+            lineWidthMinPixels: 2,
+          })
+        )
+      }
+      result.push(
+        new PathLayer({
+          id: 'analysis-polygon-outline',
+          data: [{
+            path: [
+              ...analysisPolygonPoints.map(p => [p.lon, p.lat] as [number, number]),
+              ...(analysisPolygonPoints.length >= 3 ? [[analysisPolygonPoints[0].lon, analysisPolygonPoints[0].lat] as [number, number]] : []),
+            ],
+          }],
+          getPath: (d: { path: [number, number][] }) => d.path,
+          getColor: [168, 85, 247, 220],
+          getWidth: 2,
+          getDashArray: [8, 4],
+          dashJustified: true,
+          widthMinPixels: 2,
+        })
+      )
+      result.push(
+        new ScatterplotLayer({
+          id: 'analysis-polygon-points',
+          data: analysisPolygonPoints.map(p => ({ position: [p.lon, p.lat] as [number, number] })),
+          getPosition: (d: { position: [number, number] }) => d.position,
+          getRadius: 5,
+          getFillColor: [168, 85, 247, 255],
+          getLineColor: [255, 255, 255, 255],
+          getLineWidth: 2,
+          stroked: true,
+          radiusMinPixels: 5,
+          radiusMaxPixels: 8,
+        })
+      )
+    }
+
+    // --- 오염분석 원 그리기 ---
+    if (analysisCircleCenter) {
+      result.push(
+        new ScatterplotLayer({
+          id: 'analysis-circle-center',
+          data: [{ position: [analysisCircleCenter.lon, analysisCircleCenter.lat] as [number, number] }],
+          getPosition: (d: { position: [number, number] }) => d.position,
+          getRadius: 6,
+          getFillColor: [168, 85, 247, 255],
+          getLineColor: [255, 255, 255, 255],
+          getLineWidth: 2,
+          stroked: true,
+          radiusMinPixels: 6,
+          radiusMaxPixels: 9,
+        })
+      )
+      if (analysisCircleRadiusM > 0) {
+        result.push(
+          new ScatterplotLayer({
+            id: 'analysis-circle-area',
+            data: [{ position: [analysisCircleCenter.lon, analysisCircleCenter.lat] as [number, number] }],
+            getPosition: (d: { position: [number, number] }) => d.position,
+            getRadius: analysisCircleRadiusM,
+            radiusUnits: 'meters',
+            getFillColor: [168, 85, 247, 35],
+            getLineColor: [168, 85, 247, 200],
+            getLineWidth: 2,
+            stroked: true,
+            filled: true,
+            lineWidthMinPixels: 2,
+          })
+        )
+      }
+    }
+
     // --- HNS 대기확산 히트맵 (BitmapLayer, 고정 이미지) ---
     if (dispersionHeatmap && dispersionHeatmap.length > 0) {
       const maxConc = Math.max(...dispersionHeatmap.map(p => p.concentration));
@@ -873,6 +966,7 @@ export function MapView({
     dispersionResult, dispersionHeatmap, incidentCoord, backtrackReplay,
     sensitiveResources, centerPoints, windData,
     showWind, showBeached, showTimeLabel, simulationStartTime,
+    analysisPolygonPoints, analysisCircleCenter, analysisCircleRadiusM,
   ])
 
   // 3D 모드에 따른 지도 스타일 전환
@@ -888,7 +982,7 @@ export function MapView({
         }}
         mapStyle={currentMapStyle}
         className="w-full h-full"
-        style={{ cursor: isSelectingLocation ? 'crosshair' : 'grab' }}
+        style={{ cursor: (isSelectingLocation || drawAnalysisMode !== null) ? 'crosshair' : 'grab' }}
         onClick={handleMapClick}
         attributionControl={false}
         preserveDrawingBuffer={true}
@@ -972,6 +1066,16 @@ export function MapView({
           오일펜스 배치 모드 — 지도를 클릭하여 포인트를 추가하세요 ({drawingPoints.length}개 포인트)
         </div>
       )}
+      {drawAnalysisMode === 'polygon' && (
+        <div className="boom-drawing-indicator" style={{ background: 'rgba(168,85,247,0.15)', borderColor: 'rgba(168,85,247,0.4)' }}>
+          다각형 분석 모드 — 지도를 클릭하여 꼭짓점을 추가하세요 ({analysisPolygonPoints.length}개)
+        </div>
+      )}
+      {drawAnalysisMode === 'circle' && (
+        <div className="boom-drawing-indicator" style={{ background: 'rgba(168,85,247,0.15)', borderColor: 'rgba(168,85,247,0.4)' }}>
+          {!analysisCircleCenter ? '원 분석 모드 — 중심점을 클릭하세요' : '반경 지점을 클릭하세요'}
+        </div>
+      )}
 
       {/* 기상청 연계 정보 */}
       <WeatherInfoPanel position={currentPosition} />

frontend/src/common/utils/geo.ts

@@ -186,6 +186,47 @@ export function generateAIBoomLines(
   return boomLines
 }
 
+/** Ray casting — 점이 다각형 내부인지 판정 */
+export function pointInPolygon(
+  point: { lat: number; lon: number },
+  polygon: { lat: number; lon: number }[]
+): boolean {
+  if (polygon.length < 3) return false
+  let inside = false
+  const x = point.lon
+  const y = point.lat
+  for (let i = 0, j = polygon.length - 1; i < polygon.length; j = i++) {
+    const xi = polygon[i].lon, yi = polygon[i].lat
+    const xj = polygon[j].lon, yj = polygon[j].lat
+    const intersect = ((yi > y) !== (yj > y)) && (x < (xj - xi) * (y - yi) / (yj - yi) + xi)
+    if (intersect) inside = !inside
+  }
+  return inside
+}
+
+/** 다각형 면적 (km²) — Shoelace formula, 구면 보정 포함 */
+export function polygonAreaKm2(polygon: { lat: number; lon: number }[]): number {
+  if (polygon.length < 3) return 0
+  const n = polygon.length
+  const latCenter = polygon.reduce((s, p) => s + p.lat, 0) / n
+  const cosLat = Math.cos(latCenter * DEG2RAD)
+  let area = 0
+  for (let i = 0; i < n; i++) {
+    const j = (i + 1) % n
+    const x1 = polygon[i].lon * cosLat * EARTH_RADIUS * DEG2RAD / 1000
+    const y1 = polygon[i].lat * EARTH_RADIUS * DEG2RAD / 1000
+    const x2 = polygon[j].lon * cosLat * EARTH_RADIUS * DEG2RAD / 1000
+    const y2 = polygon[j].lat * EARTH_RADIUS * DEG2RAD / 1000
+    area += x1 * y2 - x2 * y1
+  }
+  return Math.abs(area) / 2
+}
+
+/** 원 면적 (km²) */
+export function circleAreaKm2(radiusM: number): number {
+  return Math.PI * (radiusM / 1000) ** 2
+}
+
 /** 차단 시뮬레이션 실행 */
 export function runContainmentAnalysis(
   trajectory: Array<{ lat: number; lon: number; time: number; particle?: number }>,

frontend/src/tabs/prediction/components/OilSpillView.tsx

@@ -18,7 +18,7 @@ import { useSimulationStatus } from '../hooks/useSimulationStatus'
 import SimulationLoadingOverlay from './SimulationLoadingOverlay'
 import SimulationErrorModal from './SimulationErrorModal'
 import { api } from '@common/services/api'
-import { generateAIBoomLines } from '@common/utils/geo'
+import { generateAIBoomLines, haversineDistance, pointInPolygon, polygonAreaKm2, circleAreaKm2 } from '@common/utils/geo'
 import { consumePendingImageAnalysis } from '@common/utils/imageAnalysisSignal'
 
 export type PredictionModel = 'KOSPS' | 'POSEIDON' | 'OpenDrift'
@@ -192,6 +192,16 @@ export function OilSpillView() {
   const [simulationSummary, setSimulationSummary] = useState<SimulationSummary | null>(null)
   const { data: simStatus } = useSimulationStatus(currentExecSn)
 
+  // 오염분석 상태
+  const [analysisTab, setAnalysisTab] = useState<'polygon' | 'circle'>('polygon')
+  const [drawAnalysisMode, setDrawAnalysisMode] = useState<'polygon' | null>(null)
+  const [analysisPolygonPoints, setAnalysisPolygonPoints] = useState<{ lat: number; lon: number }[]>([])
+  const [circleRadiusNm, setCircleRadiusNm] = useState<number>(5)
+  const [analysisResult, setAnalysisResult] = useState<{ area: number; particleCount: number; particlePercent: number; sensitiveCount: number } | null>(null)
+
+  // 원 분석용 derived 값 (state 아님)
+  const analysisCircleCenter = analysisTab === 'circle' && incidentCoord ? incidentCoord : null
+  const analysisCircleRadiusM = circleRadiusNm * 1852
 
   const handleToggleLayer = (layerId: string, enabled: boolean) => {
     setEnabledLayers(prev => {
@@ -483,8 +493,7 @@ export function OilSpillView() {
           setCenterPoints(cp ?? [])
           setWindData(wd ?? [])
           setHydrData(hd ?? [])
-          const booms = generateAIBoomLines(trajectory, coord, algorithmSettings)
+          if (coord) setBoomLines(generateAIBoomLines(trajectory, coord, algorithmSettings))
-          setBoomLines(booms)
           setSensitiveResources(DEMO_SENSITIVE_RESOURCES)
           // incidentCoord가 변경된 경우 flyTo 완료 후 재생, 그렇지 않으면 즉시 재생
           if (analysis.lon !== incidentCoord?.lon || analysis.lat !== incidentCoord?.lat) {
@@ -500,10 +509,9 @@ export function OilSpillView() {
     }
 
     // 데모 궤적 생성 (fallback)
-    const demoTrajectory = generateDemoTrajectory(coord, demoModels, parseInt(analysis.duration) || 48)
+    const demoTrajectory = generateDemoTrajectory(coord ?? { lat: 37.39, lon: 126.64 }, demoModels, parseInt(analysis.duration) || 48)
     setOilTrajectory(demoTrajectory)
-    const demoBooms = generateAIBoomLines(demoTrajectory, coord, algorithmSettings)
+    if (coord) setBoomLines(generateAIBoomLines(demoTrajectory, coord, algorithmSettings))
-    setBoomLines(demoBooms)
     setSensitiveResources(DEMO_SENSITIVE_RESOURCES)
     // incidentCoord가 변경된 경우 flyTo 완료 후 재생, 그렇지 않으면 즉시 재생
     if (analysis.lon !== incidentCoord?.lon || analysis.lat !== incidentCoord?.lat) {
@@ -516,12 +524,65 @@ export function OilSpillView() {
   const handleMapClick = (lon: number, lat: number) => {
     if (isDrawingBoom) {
       setDrawingPoints(prev => [...prev, { lat, lon }])
+    } else if (drawAnalysisMode === 'polygon') {
+      setAnalysisPolygonPoints(prev => [...prev, { lat, lon }])
     } else {
       setIncidentCoord({ lon, lat })
       setIsSelectingLocation(false)
     }
   }
 
+  const handleStartPolygonDraw = () => {
+    setDrawAnalysisMode('polygon')
+    setAnalysisPolygonPoints([])
+    setAnalysisResult(null)
+  }
+
+  const handleRunPolygonAnalysis = () => {
+    if (analysisPolygonPoints.length < 3) return
+    const currentParticles = oilTrajectory.filter(p => p.time === currentStep)
+    const totalIds = new Set(oilTrajectory.map(p => p.particle ?? 0)).size || 1
+    const inside = currentParticles.filter(p => pointInPolygon({ lat: p.lat, lon: p.lon }, analysisPolygonPoints)).length
+    const sensitiveCount = sensitiveResources.filter(r => pointInPolygon({ lat: r.lat, lon: r.lon }, analysisPolygonPoints)).length
+    setAnalysisResult({
+      area: polygonAreaKm2(analysisPolygonPoints),
+      particleCount: inside,
+      particlePercent: Math.round((inside / totalIds) * 100),
+      sensitiveCount,
+    })
+    setDrawAnalysisMode(null)
+  }
+
+  const handleRunCircleAnalysis = () => {
+    if (!incidentCoord) return
+    const radiusM = circleRadiusNm * 1852
+    const currentParticles = oilTrajectory.filter(p => p.time === currentStep)
+    const totalIds = new Set(oilTrajectory.map(p => p.particle ?? 0)).size || 1
+    const inside = currentParticles.filter(p =>
+      haversineDistance({ lat: incidentCoord.lat, lon: incidentCoord.lon }, { lat: p.lat, lon: p.lon }) <= radiusM
+    ).length
+    const sensitiveCount = sensitiveResources.filter(r =>
+      haversineDistance({ lat: incidentCoord.lat, lon: incidentCoord.lon }, { lat: r.lat, lon: r.lon }) <= radiusM
+    ).length
+    setAnalysisResult({
+      area: circleAreaKm2(radiusM),
+      particleCount: inside,
+      particlePercent: Math.round((inside / totalIds) * 100),
+      sensitiveCount,
+    })
+  }
+
+  const handleCancelAnalysis = () => {
+    setDrawAnalysisMode(null)
+    setAnalysisPolygonPoints([])
+  }
+
+  const handleClearAnalysis = () => {
+    setDrawAnalysisMode(null)
+    setAnalysisPolygonPoints([])
+    setAnalysisResult(null)
+  }
+
   const handleImageAnalysisResult = useCallback((result: ImageAnalyzeResult) => {
     setIncidentCoord({ lat: result.lat, lon: result.lon })
     setFlyToCoord({ lat: result.lat, lon: result.lon })
@@ -744,7 +805,7 @@ export function OilSpillView() {
             enabledLayers={enabledLayers}
             incidentCoord={incidentCoord ?? undefined}
             flyToIncident={flyToCoord}
-            isSelectingLocation={isSelectingLocation || isDrawingBoom}
+            isSelectingLocation={isSelectingLocation || isDrawingBoom || drawAnalysisMode === 'polygon'}
             onMapClick={handleMapClick}
             oilTrajectory={oilTrajectory}
             selectedModels={selectedModels}
@@ -760,6 +821,10 @@ export function OilSpillView() {
             flyToTarget={flyToTarget}
             fitBoundsTarget={fitBoundsTarget}
             onIncidentFlyEnd={handleFlyEnd}
+            drawAnalysisMode={drawAnalysisMode}
+            analysisPolygonPoints={analysisPolygonPoints}
+            analysisCircleCenter={analysisCircleCenter}
+            analysisCircleRadiusM={analysisCircleRadiusM}
             externalCurrentTime={oilTrajectory.length > 0 ? currentStep : undefined}
             backtrackReplay={isReplayActive && replayShips.length > 0 && incidentCoord ? {
               isActive: true,
@@ -958,7 +1023,30 @@ export function OilSpillView() {
       </div>
 
       {/* Right Panel */}
-      {activeSubTab === 'analysis' && <RightPanel onOpenBacktrack={handleOpenBacktrack} onOpenRecalc={() => setRecalcModalOpen(true)} onOpenReport={handleOpenReport} detail={analysisDetail} summary={simulationSummary} displayControls={displayControls} onDisplayControlsChange={setDisplayControls} />}
+      {activeSubTab === 'analysis' && (
+        <RightPanel
+          onOpenBacktrack={handleOpenBacktrack}
+          onOpenRecalc={() => setRecalcModalOpen(true)}
+          onOpenReport={handleOpenReport}
+          detail={analysisDetail}
+          summary={simulationSummary}
+          displayControls={displayControls}
+          onDisplayControlsChange={setDisplayControls}
+          analysisTab={analysisTab}
+          onSwitchAnalysisTab={setAnalysisTab}
+          drawAnalysisMode={drawAnalysisMode}
+          analysisPolygonPoints={analysisPolygonPoints}
+          circleRadiusNm={circleRadiusNm}
+          onCircleRadiusChange={setCircleRadiusNm}
+          analysisResult={analysisResult}
+          incidentCoord={incidentCoord}
+          onStartPolygonDraw={handleStartPolygonDraw}
+          onRunPolygonAnalysis={handleRunPolygonAnalysis}
+          onRunCircleAnalysis={handleRunCircleAnalysis}
+          onCancelAnalysis={handleCancelAnalysis}
+          onClearAnalysis={handleClearAnalysis}
+        />
+      )}
 
       {/* 확산 예측 실행 중 로딩 오버레이 */}
       {isRunningSimulation && (

frontend/src/tabs/prediction/components/RightPanel.tsx

@@ -2,7 +2,46 @@ import { useState } from 'react'
 import type { PredictionDetail, SimulationSummary } from '../services/predictionApi'
 import type { DisplayControls } from './OilSpillView'
 
-export function RightPanel({ onOpenBacktrack, onOpenRecalc, onOpenReport, detail, summary, displayControls, onDisplayControlsChange }: { onOpenBacktrack?: () => void; onOpenRecalc?: () => void; onOpenReport?: () => void; detail?: PredictionDetail | null; summary?: SimulationSummary | null; displayControls?: DisplayControls; onDisplayControlsChange?: (controls: DisplayControls) => void }) {
+interface AnalysisResult {
+  area: number
+  particleCount: number
+  particlePercent: number
+  sensitiveCount: number
+}
+
+interface RightPanelProps {
+  onOpenBacktrack?: () => void
+  onOpenRecalc?: () => void
+  onOpenReport?: () => void
+  detail?: PredictionDetail | null
+  summary?: SimulationSummary | null
+  displayControls?: DisplayControls
+  onDisplayControlsChange?: (controls: DisplayControls) => void
+  analysisTab?: 'polygon' | 'circle'
+  onSwitchAnalysisTab?: (tab: 'polygon' | 'circle') => void
+  drawAnalysisMode?: 'polygon' | null
+  analysisPolygonPoints?: Array<{ lat: number; lon: number }>
+  circleRadiusNm?: number
+  onCircleRadiusChange?: (nm: number) => void
+  analysisResult?: AnalysisResult | null
+  incidentCoord?: { lat: number; lon: number } | null
+  onStartPolygonDraw?: () => void
+  onRunPolygonAnalysis?: () => void
+  onRunCircleAnalysis?: () => void
+  onCancelAnalysis?: () => void
+  onClearAnalysis?: () => void
+}
+
+export function RightPanel({
+  onOpenBacktrack, onOpenRecalc, onOpenReport, detail, summary,
+  displayControls, onDisplayControlsChange,
+  analysisTab = 'polygon', onSwitchAnalysisTab,
+  drawAnalysisMode, analysisPolygonPoints = [],
+  circleRadiusNm = 5, onCircleRadiusChange,
+  analysisResult,
+  onStartPolygonDraw, onRunPolygonAnalysis, onRunCircleAnalysis,
+  onCancelAnalysis, onClearAnalysis,
+}: RightPanelProps) {
   const vessel = detail?.vessels?.[0]
   const vessel2 = detail?.vessels?.[1]
   const spill = detail?.spill
@@ -49,9 +88,116 @@ export function RightPanel({ onOpenBacktrack, onOpenRecalc, onOpenReport, detail
 
         {/* 오염분석 */}
         <Section title="오염분석">
-          <button className="w-full py-2 px-3 bg-gradient-to-r from-purple-500 to-primary-cyan text-white rounded text-[10px] font-bold font-korean">
+          {/* 탭 전환 */}
-            📐 다각형 분석수행
+          <div className="flex gap-[3px] mb-2">
-          </button>
+            {(['polygon', 'circle'] as const).map((tab) => (
+              <button
+                key={tab}
+                onClick={() => { onSwitchAnalysisTab?.(tab); onClearAnalysis?.() }}
+                className={`flex-1 py-1.5 px-1 rounded text-[9px] font-semibold font-korean border transition-colors ${
+                  analysisTab === tab
+                    ? 'border-primary-cyan bg-[rgba(6,182,212,0.08)] text-primary-cyan'
+                    : 'border-border bg-bg-3 text-text-3 hover:text-text-2'
+                }`}
+              >
+                {tab === 'polygon' ? '다각형 분석' : '원 분석'}
+              </button>
+            ))}
+          </div>
+
+          {/* 다각형 패널 */}
+          {analysisTab === 'polygon' && (
+            <div>
+              <p className="text-[9px] text-text-3 font-korean mb-2 leading-relaxed">
+                지도에서 다각형 영역을 지정하여 해당 범위 내 오염도를 분석합니다.
+              </p>
+              {!drawAnalysisMode && !analysisResult && (
+                <button
+                  onClick={onStartPolygonDraw}
+                  className="w-full py-2 rounded text-[10px] font-bold font-korean text-white mb-0 transition-opacity hover:opacity-90"
+                  style={{ background: 'linear-gradient(135deg, var(--purple), var(--cyan))' }}
+                >
+                  📐 다각형 분석수행
+                </button>
+              )}
+              {drawAnalysisMode === 'polygon' && (
+                <div className="space-y-2">
+                  <div className="text-[9px] text-purple-400 font-korean bg-[rgba(168,85,247,0.08)] rounded px-2 py-1.5 leading-relaxed">
+                    지도를 클릭하여 꼭짓점을 추가하세요<br />
+                    <span className="text-text-3">현재 {analysisPolygonPoints.length}개 선택됨</span>
+                  </div>
+                  <div className="flex gap-1.5">
+                    <button
+                      onClick={onRunPolygonAnalysis}
+                      disabled={analysisPolygonPoints.length < 3}
+                      className="flex-1 py-1.5 rounded text-[10px] font-bold font-korean text-white disabled:opacity-40 disabled:cursor-not-allowed transition-opacity"
+                      style={{ background: 'linear-gradient(135deg, var(--purple), var(--cyan))' }}
+                    >
+                      분석 실행
+                    </button>
+                    <button
+                      onClick={onCancelAnalysis}
+                      className="py-1.5 px-2 rounded text-[10px] font-semibold font-korean border border-border text-text-3 hover:text-text-2 transition-colors"
+                    >
+                      취소
+                    </button>
+                  </div>
+                </div>
+              )}
+              {analysisResult && !drawAnalysisMode && (
+                <PollResult result={analysisResult} summary={summary} onClear={onClearAnalysis} onRerun={onStartPolygonDraw} />
+              )}
+            </div>
+          )}
+
+          {/* 원 분석 패널 */}
+          {analysisTab === 'circle' && (
+            <div>
+              <p className="text-[9px] text-text-3 font-korean mb-2 leading-relaxed">
+                반경(NM)을 지정하면 사고지점 기준 원형 영역의 오염도를 분석합니다.
+              </p>
+              <div className="text-[9px] font-semibold text-text-2 font-korean mb-1.5">반경 선택 (NM)</div>
+              <div className="flex flex-wrap gap-1 mb-2">
+                {[1, 3, 5, 10, 15, 20, 30, 50].map((nm) => (
+                  <button
+                    key={nm}
+                    onClick={() => onCircleRadiusChange?.(nm)}
+                    className={`w-8 h-7 rounded text-[10px] font-semibold font-mono border transition-all ${
+                      circleRadiusNm === nm
+                        ? 'border-primary-cyan bg-[rgba(6,182,212,0.1)] text-primary-cyan'
+                        : 'border-border bg-bg-0 text-text-3 hover:text-text-2'
+                    }`}
+                  >
+                    {nm}
+                  </button>
+                ))}
+              </div>
+              <div className="flex items-center gap-1.5 mb-2.5">
+                <span className="text-[9px] text-text-3 font-korean whitespace-nowrap">직접 입력</span>
+                <input
+                  type="number"
+                  min="0.1"
+                  max="100"
+                  step="0.1"
+                  value={circleRadiusNm}
+                  onChange={(e) => onCircleRadiusChange?.(parseFloat(e.target.value) || 0.1)}
+                  className="w-14 text-center py-1 px-1 bg-bg-0 border border-border rounded text-[11px] font-mono text-text-1 outline-none focus:border-primary-cyan"
+                  style={{ colorScheme: 'dark' }}
+                />
+                <span className="text-[9px] text-text-3 font-korean">NM</span>
+                <button
+                  onClick={onRunCircleAnalysis}
+                  className="ml-auto py-1 px-3 rounded text-[9px] font-bold font-korean text-white transition-opacity hover:opacity-90"
+                  style={{ background: 'linear-gradient(135deg, var(--cyan), var(--blue))' }}
+                >
+                  분석 실행
+                </button>
+              </div>
+              {analysisResult && (
+                <PollResult result={analysisResult} summary={summary} onClear={onClearAnalysis} radiusNm={circleRadiusNm} />
+              )}
+            </div>
+          )}
         </Section>
 
         {/* 오염 종합 상황 */}
@@ -454,3 +600,78 @@ function InsuranceCard({
     </div>
   )
 }
+
+function PollResult({
+  result,
+  summary,
+  onClear,
+  onRerun,
+  radiusNm,
+}: {
+  result: AnalysisResult
+  summary?: SimulationSummary | null
+  onClear?: () => void
+  onRerun?: () => void
+  radiusNm?: number
+}) {
+  const pollutedArea = (result.area * result.particlePercent / 100).toFixed(2)
+  return (
+    <div className="mt-1 p-2.5 bg-bg-0 border border-[rgba(168,85,247,0.2)] rounded-md" style={{ position: 'relative', overflow: 'hidden' }}>
+      <div style={{ position: 'absolute', top: 0, left: 0, right: 0, height: '2px', background: 'linear-gradient(90deg, var(--purple), var(--cyan))' }} />
+      {radiusNm && (
+        <div className="flex justify-between items-center mb-2">
+          <span className="text-[10px] font-semibold text-text-1 font-korean">분석 결과</span>
+          <span className="text-[9px] font-semibold text-primary-cyan font-mono">반경 {radiusNm} NM</span>
+        </div>
+      )}
+      <div className="grid grid-cols-3 gap-1 mb-2">
+        <div className="text-center py-1.5 px-1 bg-bg-3 rounded">
+          <div className="text-[13px] font-bold font-mono" style={{ color: 'var(--red)' }}>{result.area.toFixed(2)}</div>
+          <div className="text-[7px] text-text-3 font-korean mt-0.5">분석면적(km²)</div>
+        </div>
+        <div className="text-center py-1.5 px-1 bg-bg-3 rounded">
+          <div className="text-[13px] font-bold font-mono" style={{ color: 'var(--orange)' }}>{result.particlePercent}%</div>
+          <div className="text-[7px] text-text-3 font-korean mt-0.5">오염비율</div>
+        </div>
+        <div className="text-center py-1.5 px-1 bg-bg-3 rounded">
+          <div className="text-[13px] font-bold font-mono" style={{ color: 'var(--cyan)' }}>{pollutedArea}</div>
+          <div className="text-[7px] text-text-3 font-korean mt-0.5">오염면적(km²)</div>
+        </div>
+      </div>
+      <div className="space-y-1 text-[9px] font-korean">
+        {summary && (
+          <div className="flex justify-between">
+            <span className="text-text-3">해상잔존량</span>
+            <span className="font-semibold font-mono" style={{ color: 'var(--blue)' }}>{summary.remainingVolume.toFixed(2)} kL</span>
+          </div>
+        )}
+        {summary && (
+          <div className="flex justify-between">
+            <span className="text-text-3">연안부착량</span>
+            <span className="font-semibold font-mono" style={{ color: 'var(--red)' }}>{summary.beachedVolume.toFixed(2)} kL</span>
+          </div>
+        )}
+        <div className="flex justify-between">
+          <span className="text-text-3">민감자원 포함</span>
+          <span className="font-semibold font-mono" style={{ color: 'var(--orange)' }}>{result.sensitiveCount}개소</span>
+        </div>
+      </div>
+      <div className="flex gap-1.5 mt-2">
+        <button
+          onClick={onClear}
+          className="flex-1 py-1.5 rounded text-[9px] font-semibold font-korean border border-border text-text-3 hover:text-text-2 transition-colors"
+        >
+          초기화
+        </button>
+        {onRerun && (
+          <button
+            onClick={onRerun}
+            className="flex-1 py-1.5 rounded text-[9px] font-semibold font-korean border border-[rgba(168,85,247,0.3)] text-purple-400 hover:bg-[rgba(168,85,247,0.08)] transition-colors"
+          >
+            재분석
+          </button>
+        )}
+      </div>
+    </div>
+  )
+}

frontend/src/tabs/weather/components/OceanCurrentParticleLayer.tsx

@@ -0,0 +1,324 @@
+import { useEffect, useRef, useCallback } from 'react'
+import { useMap } from '@vis.gl/react-maplibre'
+import type { Map as MapLibreMap } from 'maplibre-gl'
+
+interface CurrentVectorPoint {
+  lat: number
+  lon: number
+  u: number // 동서 방향 속도 (양수=동, 음수=서) [m/s]
+  v: number // 남북 방향 속도 (양수=북, 음수=남) [m/s]
+}
+
+interface Particle {
+  x: number
+  y: number
+  age: number
+  maxAge: number
+}
+
+interface OceanCurrentParticleLayerProps {
+  visible: boolean
+}
+
+// 해류 속도 기반 색상
+function getCurrentColor(speed: number): string {
+  if (speed < 0.2) return 'rgba(59, 130, 246, 0.8)'   // 파랑
+  if (speed < 0.4) return 'rgba(6, 182, 212, 0.8)'    // 청록
+  if (speed < 0.6) return 'rgba(34, 197, 94, 0.8)'    // 초록
+  return 'rgba(249, 115, 22, 0.8)'                     // 주황
+}
+
+// 한반도 육지 영역 판별 (간략화된 폴리곤)
+const isOnLand = (lat: number, lon: number): boolean => {
+  const peninsula: [number, number][] = [
+    [38.5, 124.5], [38.5, 128.3],
+    [37.8, 128.8], [37.0, 129.2],
+    [36.0, 129.5], [35.1, 129.2],
+    [34.8, 128.6], [34.5, 127.8],
+    [34.3, 126.5], [34.8, 126.1],
+    [35.5, 126.0], [36.0, 126.3],
+    [36.8, 126.0], [37.5, 126.2],
+    [38.5, 124.5],
+  ]
+
+  // 제주도 영역
+  if (lat >= 33.1 && lat <= 33.7 && lon >= 126.1 && lon <= 127.0) return true
+
+  // Ray casting algorithm
+  let inside = false
+  for (let i = 0, j = peninsula.length - 1; i < peninsula.length; j = i++) {
+    const [yi, xi] = peninsula[i]
+    const [yj, xj] = peninsula[j]
+    if ((yi > lat) !== (yj > lat) && lon < ((xj - xi) * (lat - yi)) / (yj - yi) + xi) {
+      inside = !inside
+    }
+  }
+  return inside
+}
+
+// 한국 해역의 해류 u,v 벡터 데이터 생성 (Mock)
+const generateOceanCurrentData = (): CurrentVectorPoint[] => {
+  const data: CurrentVectorPoint[] = []
+
+  for (let lat = 33.5; lat <= 38.0; lat += 0.8) {
+    for (let lon = 125.0; lon <= 130.5; lon += 0.8) {
+      if (isOnLand(lat, lon)) continue
+
+      let u = 0
+      let v = 0
+
+      if (lon > 128.5) {
+        // 동해 — 북동진하는 동한난류
+        u = 0.2 + Math.random() * 0.2   // 동쪽 0.2~0.4
+        v = 0.3 + Math.random() * 0.2   // 북쪽 0.3~0.5
+      } else if (lon < 126.5) {
+        // 서해 — 북진
+        u = -0.05 + Math.random() * 0.1 // 동서 -0.05~0.05
+        v = 0.15 + Math.random() * 0.15 // 북쪽 0.15~0.3
+      } else {
+        // 남해 — 동진
+        u = 0.3 + Math.random() * 0.2   // 동쪽 0.3~0.5
+        v = -0.05 + Math.random() * 0.15 // 남북 -0.05~0.1
+      }
+
+      data.push({ lat, lon, u, v })
+    }
+  }
+
+  return data
+}
+
+// 해류 데이터는 한 번만 생성
+const CURRENT_DATA = generateOceanCurrentData()
+
+// IDW 보간으로 특정 위치의 u,v 벡터 추정 → speed/direction 반환
+function interpolateCurrent(
+  lat: number,
+  lon: number,
+  points: CurrentVectorPoint[]
+): { speed: number; direction: number } {
+  if (points.length === 0) return { speed: 0.3, direction: 90 }
+
+  let totalWeight = 0
+  let weightedU = 0
+  let weightedV = 0
+
+  for (const point of points) {
+    const dist = Math.sqrt(
+      Math.pow(point.lat - lat, 2) + Math.pow(point.lon - lon, 2)
+    )
+    const weight = 1 / Math.pow(Math.max(dist, 0.01), 2)
+    totalWeight += weight
+    weightedU += point.u * weight
+    weightedV += point.v * weight
+  }
+
+  const u = weightedU / totalWeight
+  const v = weightedV / totalWeight
+  const speed = Math.sqrt(u * u + v * v)
+  // u=동(+), v=북(+) → 화면 방향: sin=동(+x), -cos=남(+y)
+  const direction = (Math.atan2(u, v) * 180) / Math.PI
+  return { speed, direction: (direction + 360) % 360 }
+}
+
+// MapLibre map.unproject()를 통해 픽셀 → 경위도 변환
+function containerPointToLatLng(
+  map: MapLibreMap,
+  x: number,
+  y: number
+): { lat: number; lng: number } {
+  const lngLat = map.unproject([x, y])
+  return { lat: lngLat.lat, lng: lngLat.lng }
+}
+
+const PARTICLE_COUNT = 400
+const FADE_ALPHA = 0.93
+
+/**
+ * OceanCurrentParticleLayer
+ *
+ * Canvas 2D + requestAnimationFrame 패턴으로 해류 흐름 시각화
+ * u,v 벡터 격자 데이터를 IDW 보간하여 파티클 애니메이션 렌더링
+ * 바람 파티클 대비: 적은 입자, 느린 속도, 긴 트레일
+ */
+export function OceanCurrentParticleLayer({ visible }: OceanCurrentParticleLayerProps) {
+  const { current: mapRef } = useMap()
+  const canvasRef = useRef<HTMLCanvasElement | null>(null)
+  const particlesRef = useRef<Particle[]>([])
+  const animFrameRef = useRef<number>(0)
+
+  const initParticles = useCallback((width: number, height: number) => {
+    particlesRef.current = []
+    for (let i = 0; i < PARTICLE_COUNT; i++) {
+      particlesRef.current.push({
+        x: Math.random() * width,
+        y: Math.random() * height,
+        age: Math.floor(Math.random() * 150),
+        maxAge: 120 + Math.floor(Math.random() * 60),
+      })
+    }
+  }, [])
+
+  useEffect(() => {
+    const map = mapRef?.getMap()
+    if (!map) return
+
+    if (!visible) {
+      if (canvasRef.current) {
+        canvasRef.current.remove()
+        canvasRef.current = null
+      }
+      cancelAnimationFrame(animFrameRef.current)
+      return
+    }
+
+    const container = map.getContainer()
+
+    // Canvas 생성 또는 재사용
+    let canvas = canvasRef.current
+    if (!canvas) {
+      canvas = document.createElement('canvas')
+      canvas.style.position = 'absolute'
+      canvas.style.top = '0'
+      canvas.style.left = '0'
+      canvas.style.pointerEvents = 'none'
+      canvas.style.zIndex = '440'
+      container.appendChild(canvas)
+      canvasRef.current = canvas
+    }
+
+    const resize = () => {
+      if (!canvas) return
+      const { clientWidth: w, clientHeight: h } = container
+      canvas.width = w
+      canvas.height = h
+    }
+    resize()
+
+    const ctx = canvas.getContext('2d')
+    if (!ctx) return
+
+    initParticles(canvas.width, canvas.height)
+
+    // 오프스크린 캔버스 (트레일 효과)
+    let offCanvas: HTMLCanvasElement | null = null
+    let offCtx: CanvasRenderingContext2D | null = null
+
+    function animate() {
+      if (!ctx || !canvas) return
+
+      // 오프스크린 캔버스 크기 동기화
+      if (!offCanvas || offCanvas.width !== canvas.width || offCanvas.height !== canvas.height) {
+        offCanvas = document.createElement('canvas')
+        offCanvas.width = canvas.width
+        offCanvas.height = canvas.height
+        offCtx = offCanvas.getContext('2d')
+      }
+
+      if (!offCtx) return
+
+      // 트레일 페이드 효과 (느린 페이드 = 부드러운 흐름)
+      offCtx.globalCompositeOperation = 'destination-in'
+      offCtx.fillStyle = `rgba(0, 0, 0, ${FADE_ALPHA})`
+      offCtx.fillRect(0, 0, offCanvas.width, offCanvas.height)
+      offCtx.globalCompositeOperation = 'source-over'
+
+      // 현재 지도 bounds 확인
+      const bounds = map!.getBounds()
+
+      for (const particle of particlesRef.current) {
+        particle.age++
+
+        // 수명 초과 시 리셋
+        if (particle.age > particle.maxAge) {
+          particle.x = Math.random() * canvas.width
+          particle.y = Math.random() * canvas.height
+          particle.age = 0
+          particle.maxAge = 120 + Math.floor(Math.random() * 60)
+          continue
+        }
+
+        const { lat, lng } = containerPointToLatLng(map!, particle.x, particle.y)
+
+        // 화면 밖이면 리셋
+        if (!bounds.contains([lng, lat])) {
+          particle.x = Math.random() * canvas.width
+          particle.y = Math.random() * canvas.height
+          particle.age = 0
+          continue
+        }
+
+        // 육지 위이면 리셋
+        if (isOnLand(lat, lng)) {
+          particle.x = Math.random() * canvas.width
+          particle.y = Math.random() * canvas.height
+          particle.age = 0
+          continue
+        }
+
+        const current = interpolateCurrent(lat, lng, CURRENT_DATA)
+        const rad = (current.direction * Math.PI) / 180
+        const pixelSpeed = current.speed * 2.0
+
+        const newX = particle.x + Math.sin(rad) * pixelSpeed
+        const newY = particle.y + -Math.cos(rad) * pixelSpeed
+
+        // 다음 위치가 육지이면 리셋
+        const nextPos = containerPointToLatLng(map!, newX, newY)
+        if (isOnLand(nextPos.lat, nextPos.lng)) {
+          particle.x = Math.random() * canvas.width
+          particle.y = Math.random() * canvas.height
+          particle.age = 0
+          continue
+        }
+
+        const oldX = particle.x
+        const oldY = particle.y
+        particle.x = newX
+        particle.y = newY
+
+        // 파티클 트레일 그리기
+        const alpha = 1 - particle.age / particle.maxAge
+        offCtx.strokeStyle = getCurrentColor(current.speed).replace('0.8', String(alpha * 0.8))
+        offCtx.lineWidth = 0.8
+        offCtx.beginPath()
+        offCtx.moveTo(oldX, oldY)
+        offCtx.lineTo(particle.x, particle.y)
+        offCtx.stroke()
+      }
+
+      // 메인 캔버스에 합성 (배경 오버레이 없이 파티클만)
+      ctx.clearRect(0, 0, canvas.width, canvas.height)
+      ctx.drawImage(offCanvas, 0, 0)
+
+      animFrameRef.current = requestAnimationFrame(animate)
+    }
+
+    animate()
+
+    // 지도 이동/줌 시 리셋
+    const onMoveEnd = () => {
+      resize()
+      if (canvas) initParticles(canvas.width, canvas.height)
+      if (offCanvas && canvas) {
+        offCanvas.width = canvas.width
+        offCanvas.height = canvas.height
+      }
+    }
+    map.on('moveend', onMoveEnd)
+    map.on('zoomend', onMoveEnd)
+
+    return () => {
+      cancelAnimationFrame(animFrameRef.current)
+      map.off('moveend', onMoveEnd)
+      map.off('zoomend', onMoveEnd)
+      if (canvasRef.current) {
+        canvasRef.current.remove()
+        canvasRef.current = null
+      }
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [mapRef, visible, initParticles])
+
+  return null
+}

frontend/src/tabs/weather/components/WeatherView.tsx

@@ -6,12 +6,13 @@ import type { StyleSpecification, MapLayerMouseEvent } from 'maplibre-gl'
 import 'maplibre-gl/dist/maplibre-gl.css'
 import { WeatherRightPanel } from './WeatherRightPanel'
 import { WeatherMapOverlay, useWeatherDeckLayers } from './WeatherMapOverlay'
-import { OceanForecastOverlay } from './OceanForecastOverlay'
+// import { OceanForecastOverlay } from './OceanForecastOverlay'
-import { useOceanCurrentLayers } from './OceanCurrentLayer'
+// import { useOceanCurrentLayers } from './OceanCurrentLayer'
 import { useWaterTemperatureLayers } from './WaterTemperatureLayer'
 import { WindParticleLayer } from './WindParticleLayer'
+import { OceanCurrentParticleLayer } from './OceanCurrentParticleLayer'
 import { useWeatherData } from '../hooks/useWeatherData'
-import { useOceanForecast } from '../hooks/useOceanForecast'
+// import { useOceanForecast } from '../hooks/useOceanForecast'
 import { WeatherMapControls } from './WeatherMapControls'
 
 type TimeOffset = '0' | '3' | '6' | '9'
@@ -125,8 +126,6 @@ interface WeatherMapInnerProps {
   weatherStations: WeatherStation[]
   enabledLayers: Set<string>
   selectedStationId: string | null
-  oceanForecastOpacity: number
-  selectedForecast: ReturnType<typeof useOceanForecast>['selectedForecast']
   onStationClick: (station: WeatherStation) => void
   mapCenter: [number, number]
   mapZoom: number
@@ -137,8 +136,6 @@ function WeatherMapInner({
   weatherStations,
   enabledLayers,
   selectedStationId,
-  oceanForecastOpacity,
-  selectedForecast,
   onStationClick,
   mapCenter,
   mapZoom,
@@ -151,18 +148,18 @@ function WeatherMapInner({
     selectedStationId,
     onStationClick
   )
-  const oceanCurrentLayers = useOceanCurrentLayers({
+  // const oceanCurrentLayers = useOceanCurrentLayers({
-    visible: enabledLayers.has('oceanCurrent'),
+  //   visible: enabledLayers.has('oceanCurrent'),
-    opacity: 0.7,
+  //   opacity: 0.7,
-  })
+  // })
   const waterTempLayers = useWaterTemperatureLayers({
     visible: enabledLayers.has('waterTemperature'),
     opacity: 0.5,
   })
 
   const deckLayers = useMemo(
-    () => [...oceanCurrentLayers, ...waterTempLayers, ...weatherDeckLayers],
+    () => [...waterTempLayers, ...weatherDeckLayers],
-    [oceanCurrentLayers, waterTempLayers, weatherDeckLayers]
+    [waterTempLayers, weatherDeckLayers]
   )
 
   return (
@@ -170,11 +167,16 @@ function WeatherMapInner({
       {/* deck.gl 오버레이 */}
       <DeckGLOverlay layers={deckLayers} />
 
-      {/* 해황예보도 — MapLibre image source + raster layer */}
+      {/* 해황예보도 — 임시 비활성화
       <OceanForecastOverlay
         forecast={selectedForecast}
         opacity={oceanForecastOpacity}
         visible={enabledLayers.has('oceanForecast')}
+      /> */}
+
+      {/* 해류 흐름 파티클 애니메이션 (Canvas 직접 조작) */}
+      <OceanCurrentParticleLayer
+        visible={enabledLayers.has('oceanCurrentParticle')}
       />
 
       {/* 기상 관측소 HTML 오버레이 (풍향 화살표 + 라벨) */}
@@ -224,13 +226,13 @@ export function WeatherView() {
   const { weatherStations, loading, error, lastUpdate } = useWeatherData(BASE_STATIONS)
 
 
-  const {
+  // const {
-    selectedForecast,
+  //   selectedForecast,
-    availableTimes,
+  //   availableTimes,
-    loading: oceanLoading,
+  //   loading: oceanLoading,
-    error: oceanError,
+  //   error: oceanError,
-    selectForecast,
+  //   selectForecast,
-  } = useOceanForecast('KOREA')
+  // } = useOceanForecast('KOREA')
 
   const [timeOffset, setTimeOffset] = useState<TimeOffset>('0')
   const [selectedStationRaw, setSelectedStation] = useState<WeatherStation | null>(null)
@@ -238,7 +240,7 @@ export function WeatherView() {
     null
   )
   const [enabledLayers, setEnabledLayers] = useState<Set<string>>(new Set(['wind']))
-  const [oceanForecastOpacity, setOceanForecastOpacity] = useState(0.6)
+  // const [oceanForecastOpacity, setOceanForecastOpacity] = useState(0.6)
 
   // 첫 관측소 자동 선택 (파생 값)
   const selectedStation = selectedStationRaw ?? weatherStations[0] ?? null
@@ -361,8 +363,6 @@ export function WeatherView() {
               weatherStations={weatherStations}
               enabledLayers={enabledLayers}
               selectedStationId={selectedStation?.id || null}
-              oceanForecastOpacity={oceanForecastOpacity}
-              selectedForecast={selectedForecast}
               onStationClick={handleStationClick}
               mapCenter={WEATHER_MAP_CENTER}
               mapZoom={WEATHER_MAP_ZOOM}
@@ -424,11 +424,11 @@ export function WeatherView() {
               <label className="flex items-center gap-2 cursor-pointer">
                 <input
                   type="checkbox"
-                  checked={enabledLayers.has('oceanCurrent')}
+                  checked={enabledLayers.has('oceanCurrentParticle')}
-                  onChange={() => toggleLayer('oceanCurrent')}
+                  onChange={() => toggleLayer('oceanCurrentParticle')}
                   className="w-4 h-4 rounded border-border bg-bg-2 text-primary-cyan focus:ring-primary-cyan"
                 />
-                <span className="text-xs text-text-2">🌊 해류 방향</span>
+                <span className="text-xs text-text-2">🌊 해류 흐름</span>
               </label>
               <label className="flex items-center gap-2 cursor-pointer">
                 <input
@@ -440,7 +440,7 @@ export function WeatherView() {
                 <span className="text-xs text-text-2">🌡️ 수온 색상도</span>
               </label>
 
-              {/* 해황예보도 레이어 */}
+              {/* 해황예보도 레이어 — 임시 비활성화
               <div className="pt-2 mt-2 border-t border-border">
                 <label className="flex items-center gap-2 cursor-pointer">
                   <input
@@ -451,60 +451,8 @@ export function WeatherView() {
                   />
                   <span className="text-xs text-text-2">🌊 해황예보도</span>
                 </label>
-
-                {enabledLayers.has('oceanForecast') && (
-                  <div className="mt-2 ml-6 space-y-2">
-                    <div className="flex items-center gap-2">
-                      <span className="text-xs text-text-3">투명도:</span>
-                      <input
-                        type="range"
-                        min="0"
-                        max="100"
-                        value={oceanForecastOpacity * 100}
-                        onChange={(e) =>
-                          setOceanForecastOpacity(Number(e.target.value) / 100)
-                        }
-                        className="flex-1 h-1 bg-bg-3 rounded-lg appearance-none cursor-pointer"
-                      />
-                      <span className="text-xs text-text-3 w-8">
-                        {Math.round(oceanForecastOpacity * 100)}%
-                      </span>
-                    </div>
-
-                    {availableTimes.length > 0 && (
-                      <div className="space-y-1">
-                        <div className="text-xs text-text-3">예보 시간:</div>
-                        <div className="max-h-32 overflow-y-auto space-y-1">
-                          {availableTimes.map((time) => (
-                            <button
-                              key={`${time.day}-${time.hour}`}
-                              onClick={() => selectForecast(time.day, time.hour)}
-                              className={`w-full px-2 py-1 text-xs rounded transition-colors ${
-                                selectedForecast?.ofcFrcstYmd === time.day &&
-                                selectedForecast?.ofcFrcstTm === time.hour
-                                  ? 'bg-primary-cyan text-bg-0 font-semibold'
-                                  : 'bg-bg-2 text-text-3 hover:bg-bg-3'
-                              }`}
-                            >
-                              {time.label}
-                            </button>
-                          ))}
-                        </div>
-                      </div>
-                    )}
-
-                    {oceanLoading && <div className="text-xs text-text-3">로딩 중...</div>}
-                    {oceanError && <div className="text-xs text-status-red">오류 발생</div>}
-                    {selectedForecast && (
-                      <div className="text-xs text-text-3 pt-2 border-t border-border">
-                        현재: {selectedForecast.ofcBrnchNm} •{' '}
-                        {selectedForecast.ofcFrcstYmd.slice(4, 6)}/{selectedForecast.ofcFrcstYmd.slice(6, 8)}{' '}
-                        {selectedForecast.ofcFrcstTm}:00
-                      </div>
-                    )}
-                  </div>
-                )}
               </div>
+              */}
             </div>
           </div>
 
@@ -536,6 +484,23 @@ export function WeatherView() {
                 </div>
               </div>
 
+              {/* 해류 */}
+              <div className="pt-2 border-t border-border">
+                <div className="font-semibold text-text-2 mb-1">해류 (m/s)</div>
+                <div className="flex items-center gap-1 h-3 rounded-sm overflow-hidden mb-1">
+                  <div className="flex-1 h-full" style={{ background: 'rgb(59, 130, 246)' }} />
+                  <div className="flex-1 h-full" style={{ background: 'rgb(6, 182, 212)' }} />
+                  <div className="flex-1 h-full" style={{ background: 'rgb(34, 197, 94)' }} />
+                  <div className="flex-1 h-full" style={{ background: 'rgb(249, 115, 22)' }} />
+                </div>
+                <div className="flex justify-between text-text-3 text-[9px]">
+                  <span>0.2</span>
+                  <span>0.4</span>
+                  <span>0.6</span>
+                  <span>0.6+</span>
+                </div>
+              </div>
+
               {/* 파고 */}
               <div className="pt-2 border-t border-border">
                 <div className="font-semibold text-text-2 mb-1">파고 (m)</div>