Sargassum Watch

Daily Beach Reports · Forecasts · Eastern Caribbean

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NOAA · Sargassum Inundation Risk · Lesser Antilles
NOAA SIR Lesser Antilles
High risk Medium risk Low risk No data
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Official Sargassum Forecast

Météo France · Îles du Nord (St. Martin & St. Barth)
7-day stranding risk forecast · Updated weekly
Sentinel-3 OLCI satellite + MOTHY ocean drift model

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Beach Status · last 24h

Clear / No reports
Moderate
High risk