Sargassum at Anse Bonneville (La Trinité): today's beach status
Moderate
Moderate
Anse Bonneville lies along the north shore of the Caravelle peninsula in La Trinité, on Martinique's Atlantic side. Wide open to the ocean and known among surfers for its swell, it faces the same easterly flow that carries sargassum rafts toward the island.
This page tracks sargassum at Anse Bonneville day by day: a 0 to 5 rating for today, the beach plotted on the Martinique map, and the wider Trinité Atlantic zone around it. Everything is recalculated each morning, in time for you to decide where the towel goes.
Anse Bonneville on the sargassum map
What to know about this beach
Martinique's Atlantic coast is the windward face of the island. Trade winds from the east and the swell they raise push drifting sargassum rafts straight onto it, and Anse Bonneville, facing east with no offshore point to screen it, takes that arrival unfiltered. When an episode reaches Martinique, this stretch of the Caravelle is usually among the first places to show it.
The same exposure works both ways. The surf that gives the beach its reputation keeps the water moving, so a mat that settles along the sand one day can be broken up or pushed along the next when the wind shifts a few degrees. Yesterday's picture is a poor guide here, which is why the morning reading matters.
Frequently asked questions
Why does Anse Bonneville get sargassum so directly?
It opens due east onto the open Atlantic, on Martinique's windward side, with no island or headland upwind to intercept drifting rafts. Whatever the trade winds carry toward the Caravelle peninsula reaches this bay first.
How do I check Anse Bonneville before driving out there?
Open the FanGass map on the morning of your trip. The beach carries a 0 to 5 score for the day, refreshed every morning, so you can compare it with a sheltered Caribbean-side beach in seconds.
Is there a worse time of year here?
Landings cluster from spring through autumn, when Atlantic rafts drift up toward the Caribbean. Treat that as a tendency rather than a rule: quiet weeks happen mid-season, and short episodes can appear outside it.
Does the surf change how sargassum behaves on this beach?
It can. Constant swell stirs the shoreline, so accumulations here are often reworked rather than left to sit. That also means conditions can flip within a single day, in either direction.