Secret Bay: sargassum, weather & water today
Portsmouth, Dominica · Guadeloupe, Martinique & Dominica, Guadeloupe · 15.578, -61.463
Plan your trip
Partner links: Veabird may earn a commission at no cost to you. Partners never affect forecasts or scores.
Sargassum season at Secret Bay
Sargassum risk at Secret Bay typically peaks around May (low in a typical year). Lowest-risk months: January, February, March, April, May, June, July, August, September, October, November, December. Actual landings vary a lot by year, wind and currents; check the live conditions above.
Typical-year risk from the published seasonality of the Great Atlantic Sargassum Belt × this beach's exposure (10%). Beach faces 280°; onshore winds from that direction push seaweed ashore.
| Month | Typical risk |
|---|---|
| January | Very low |
| February | Very low |
| March | Very low |
| April | Very low |
| May | Low |
| June | Low |
| July | Low |
| August | Very low |
| September | Very low |
| October | Very low |
| November | Very low |
| December | Very low |
Cleanup & barriers
- Offshore barriers
- Floating barrages at several Martinique/Guadeloupe bays; national sargassum plan
- Public cleanup
- Communes use mechanical collection; windward Atlantic coasts overwhelmed in peak years, with H2S health alerts
- Resort crews
- Hotels rake frontage; leeward sites rarely affected
- Typical clearing time
- Variable: hours to weeks; check prefecture H2S bulletins
Safety notes
France: exercise increased caution (Level 2 via France, verify); Dominica Level 1 (verify)
- Hydrogen-sulfide from rotting sargassum can close Atlantic beaches - heed prefecture alerts
- Occasional unrest/strikes in Guadeloupe/Martinique
- Dominica: landslide risk on mountain roads in rain
Check official advisories and local flags before swimming. Decomposing sargassum releases hydrogen sulfide; avoid heavy piles.
Things to do near Portsmouth, Dominica
- Les Saintes day trip
- La Soufrière volcano, Guadeloupe
- Mont Pelée & Saint-Pierre
- Rhum agricole distilleries
- Boiling Lake & Trafalgar Falls, Dominica
- Cousteau Reserve, Pigeon Island
Fly in for the best beach days
Suggested dates fall in November, typically the lowest-seaweed month ahead for Secret Bay. Change them to match the live forecast above.
Opens a flight search in a new tab. Partner link: Veabird may earn a commission.
Nearest airports
- Douglas-Charles (Dominica) (DOM), ~18 km
Nearby resorts
- InterContinental Dominica Cabrits Resort Portsmouth, Dominica · 1 km
- Jungle Bay Dominica Soufrière, Dominica · 39 km
- Le Gosier Beach Resorts (Créole Beach / La Créole) Le Gosier, Guadeloupe · 69 km
- Sainte-Anne Beach Resorts (Club Med La Caravelle) Sainte-Anne, Guadeloupe · 72 km
- Saint-François Beach Resorts (Le Méridien La Cocoteraie area) Saint-François, Guadeloupe · 78 km
- Deshaies Beach Resorts (Grande Anse) Deshaies, Guadeloupe · 90 km
Embed this forecast
Hotels and travel sites can show live conditions for Secret Bay for free. Get the widget · Data & API