Report a beach

No account needed. Tell us what you see right now (or recently) on a Saint-Barth beach — it helps improve the forecasts for everyone.

Which beach? How much sargassum?

No sargassum A little A moderate amount A lot — beach covered

Where is the sargassum?

In the water Washed up on the beach In the water and on the beach

Share of the beach covered — optional, 0 to 100% Date and time of the observation 📷 Take photos — opens your phone's camera Photos of the beach — optional, up to 3 photos (useful if landing is patchy)

Your photos may be shown publicly on the map, without your name.

Your first name — optional, just so we know who's watching