Grand Case Beach Club: sargassum, weather & water today
Grand Case, St. Martin · Leeward Islands (Anguilla to Antigua), Antigua & Barbuda · 18.108, -63.053
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Sargassum season at Grand Case Beach Club
Sargassum risk at Grand Case Beach Club typically peaks around June (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 (14%). Beach faces 233°; onshore winds from that direction push seaweed ashore.
| Month | Typical risk |
|---|---|
| January | Very low |
| February | Very low |
| March | Very low |
| April | Low |
| May | Low |
| June | Low |
| July | Low |
| August | Low |
| September | Very low |
| October | Very low |
| November | Very low |
| December | Very low |
Cleanup & barriers
- Offshore barriers
- Few booms (some in St. Martin/St. Barths lagoons)
- Public cleanup
- Collectivité crews on French side; hotels elsewhere; Orient Bay and Grand Cul-de-Sac frequently inundated
- Resort crews
- Luxury resorts rake daily
- Typical clearing time
- Same-day at resorts; windward bays can stay fouled for weeks in peak years
Safety notes
US State Dept: Antigua & Barbuda, St. Kitts & Nevis, Anguilla Level 1; Sint Maarten Level 1; St. Martin (France) Level 2 per France (verify)
- Petty and vehicle crime in Philipsburg/Marigot; watch valuables
- Drive left on English islands, right on French side
- High hurricane exposure (Irma 2017, Luis 1995)
Check official advisories and local flags before swimming. Decomposing sargassum releases hydrogen sulfide; avoid heavy piles.
Things to do near Grand Case, St. Martin
- Nelson's Dockyard, Antigua
- Shoal Bay East, Anguilla
- Maho Beach plane-spotting, SXM
- Gustavia shopping, St. Barths
- Brimstone Hill Fortress, St. Kitts
- Barbuda Frigate Bird Sanctuary
Fly in for the best beach days
Suggested dates fall in November, typically the lowest-seaweed month ahead for Grand Case Beach Club. Change them to match the live forecast above.
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Nearest airports
- L'Espérance (Grand Case) (SFG), ~1 km
- Princess Juliana Intl (Sint Maarten) (SXM), ~10 km
Nearby resorts
- Le Shambala Grand Case, St. Martin · 0 km
- Grand Case Beach Resorts Grand Case, St. Martin · 1 km
- Love Beach Hotel Grand Case, St. Martin · 1 km
- Bleu Marine Resort Grand Case, St. Martin · 1 km
- Anse Marcel Beach Resort Grand Case, St. Martin · 1 km
- Secrets St Martin Hotels & Resorts Grand Case, St. Martin · 2 km
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