Sargassum Saint-Barthélemy

Forecast horizon

Today · +0h

Speed

🟠 Pale dots = past positions · bright = position forecast at the selected time.

Current conditions

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Wind

🌊

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Swell

🌡️

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Water

Today

— kn — m

Tomorrow

— kn — m

J+2

— kn — m

SBH beaches

The badge shows sargassum on the beach 🏖️. “Mass offshore” = it's approaching but hasn't arrived yet. An on-site volunteer report 📍 is the ground truth.