Sargassum season, month by month around the world
The months the seaweed comes ashore on Caribbean and Gulf beaches.
This is a warning page, not a recommendation. Sargassum season covers 23 destinations on SeasonMap; the months below are the ones in which the risk window is open — most weeks in them pass quietly, and the score beside each place is still the ordinary climate score, hazard and all.
When it is on
Number of destinations with sargassum season on in that month. Windows move a little each year.
Sargassum season in March
- 🇩🇴 Punta Cana, Dominican RepublicSargassum on the east beaches · 15 Mar – 31 Aug (usually)Bavaro and Macao face east into the drift and take the brunt of it; hotels rake at dawn and the sheltered coves clear faster.79climate
- Fort-de-France, MartiniqueSargassum on the Atlantic coast · 1 Mar – 30 Sep (usually)The windward coast from Le Robert round to Sainte-Anne takes it worst; as it rots the gas corrodes electronics indoors and closes beach restaurants for days.79climate
- Pointe-à-Pitre, GuadeloupeSargassum on the windward coast · 1 Mar – 30 Sep (usually)Grande-Terre's Atlantic beaches and the shallow Petit Cul-de-Sac take the worst of it, and the gas as it rots blackens silver and closes seafront schools for days.79climate
Sargassum season in April
- 🇨🇺 Varadero, CubaSargassum on the peninsula · 1 Apr – 31 Aug (usually)Weed lands along the north-facing beach through the summer and each hotel rakes its own stretch at dawn.79climate
- Fort-de-France, MartiniqueSargassum on the Atlantic coast · 1 Mar – 30 Sep (usually)The windward coast from Le Robert round to Sainte-Anne takes it worst; as it rots the gas corrodes electronics indoors and closes beach restaurants for days.77climate
- 🇲🇽 Cancún, MexicoSargassum season · 1 Apr – 30 Sep (usually)Rafts of brown seaweed pile up on the east-facing beaches, worst between May and August.76climate
- 🇲🇽 Tulum, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown weed comes ashore on this east-facing coast from April, worst between May and August.76climate
- 🇲🇽 Isla Mujeres, MexicoSargassum season · 1 Apr – 30 Sep (usually)The east-facing side takes the seaweed and the smell that comes with it once it rots.76climate
- Pointe-à-Pitre, GuadeloupeSargassum on the windward coast · 1 Mar – 30 Sep (usually)Grande-Terre's Atlantic beaches and the shallow Petit Cul-de-Sac take the worst of it, and the gas as it rots blackens silver and closes seafront schools for days.76climate
- 🇱🇨 Castries, Saint LuciaSargassum on the Atlantic side · 1 Apr – 30 Sep (usually)The windward coast around Vieux Fort and Micoud takes the weed and the smell that comes with it.75climate
- 🇸🇽 Philipsburg, Sint MaartenSargassum on the windward coasts · 1 Apr – 31 Aug (usually)The drift piles up on the Atlantic-facing east and north shores; Great Bay in front of town faces south and usually escapes it.75climate
- Charlotte Amalie, U.S. Virgin IslandsSargassum on the east end · 1 Apr – 31 Aug (usually)The south and east shores catch the drift and the bays that hold it smell for a week at a time.75climate
- 🇩🇴 Samaná, Dominican RepublicSargassum on the Atlantic side · 1 Apr – 31 Aug (usually)The north-facing beaches around Las Terrenas and the peninsula's eastern end take the weed.75climate
- 🇺🇸 Fort Lauderdale, United StatesSargassum season · 15 Apr – 30 Sep (usually)The Atlantic seaweed belt pushes ashore from late spring, worst between May and August, and it smells as it rots.75climate
- 🇩🇴 Punta Cana, Dominican RepublicSargassum on the east beaches · 15 Mar – 31 Aug (usually)Bavaro and Macao face east into the drift and take the brunt of it; hotels rake at dawn and the sheltered coves clear faster.74climate
- 🇲🇽 Playa del Carmen, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown seaweed piles up on the east-facing sand, worst from May to August.74climate
- 🇧🇧 Bridgetown, BarbadosSargassum on the Atlantic coast · 1 Apr – 30 Sep (usually)The east and south-east coasts collect the weed through the summer, and the smell as it rots keeps people off Bathsheba and Crane for days.73climate
- 🇧🇿 Placencia, BelizeSargassum on the peninsula · 1 Apr – 30 Sep (usually)The long east-facing beach collects weed through the summer and the hotels rake their own stretch.73climate
- 🇧🇿 San Pedro, BelizeSargassum season · 1 Apr – 31 Aug (usually)The weed lands on the windward beaches through the spring and summer, and how bad it gets varies enormously year to year.72climate
- 🇵🇷 San Juan, Puerto RicoSargassum drift · 1 Apr – 31 Aug (usually)The city beaches at Condado and Isla Verde usually get off lightly; the east coast towards Fajardo and the offshore cays take far more.72climate
- 🇨🇴 San Andrés, ColombiaSargassum on the windward beaches · 1 Apr – 31 Aug (usually)Some years the Atlantic drift piles brown weed on the east-facing beaches for weeks and the hotels rake it off each morning.72climate
- 🇧🇿 Caye Caulker, BelizeSargassum on the windward side · 1 Apr – 30 Sep (usually)The east shore and the Split collect weed through the summer and crews rake it at dawn.72climate
Sargassum season in May
- Fort-de-France, MartiniqueSargassum on the Atlantic coast · 1 Mar – 30 Sep (usually)The windward coast from Le Robert round to Sainte-Anne takes it worst; as it rots the gas corrodes electronics indoors and closes beach restaurants for days.74climate
- Pointe-à-Pitre, GuadeloupeSargassum on the windward coast · 1 Mar – 30 Sep (usually)Grande-Terre's Atlantic beaches and the shallow Petit Cul-de-Sac take the worst of it, and the gas as it rots blackens silver and closes seafront schools for days.74climate
- 🇱🇨 Castries, Saint LuciaSargassum on the Atlantic side · 1 Apr – 30 Sep (usually)The windward coast around Vieux Fort and Micoud takes the weed and the smell that comes with it.73climate
- Charlotte Amalie, U.S. Virgin IslandsSargassum on the east end · 1 Apr – 31 Aug (usually)The south and east shores catch the drift and the bays that hold it smell for a week at a time.72climate
- 🇩🇴 Samaná, Dominican RepublicSargassum on the Atlantic side · 1 Apr – 31 Aug (usually)The north-facing beaches around Las Terrenas and the peninsula's eastern end take the weed.72climate
- The Valley, AnguillaSargassum season · 1 May – 30 Sep (usually)Anguilla is hit less hard than islands further south, but weed still lands on the south and northeast coasts most years - Savannah Bay, Sandy Hill Bay and Shoal Bay East are the names locals watch.72climate
- 🇧🇧 Bridgetown, BarbadosSargassum on the Atlantic coast · 1 Apr – 30 Sep (usually)The east and south-east coasts collect the weed through the summer, and the smell as it rots keeps people off Bathsheba and Crane for days.71climate
- 🇸🇽 Philipsburg, Sint MaartenSargassum on the windward coasts · 1 Apr – 31 Aug (usually)The drift piles up on the Atlantic-facing east and north shores; Great Bay in front of town faces south and usually escapes it.71climate
- Virgin Gorda, British Virgin IslandsSargassum at Handsome Bay · 1 May – 31 Oct (usually)Weed has clogged the desalination intake at Handsome Bay badly enough in past years to leave the plant out of action for months at a stretch.71climate
- 🇲🇽 Tulum, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown weed comes ashore on this east-facing coast from April, worst between May and August.70climate
- 🇩🇴 Punta Cana, Dominican RepublicSargassum on the east beaches · 15 Mar – 31 Aug (usually)Bavaro and Macao face east into the drift and take the brunt of it; hotels rake at dawn and the sheltered coves clear faster.70climate
- 🇵🇷 San Juan, Puerto RicoSargassum drift · 1 Apr – 31 Aug (usually)The city beaches at Condado and Isla Verde usually get off lightly; the east coast towards Fajardo and the offshore cays take far more.70climate
- 🇲🇽 Cancún, MexicoSargassum season · 1 Apr – 30 Sep (usually)Rafts of brown seaweed pile up on the east-facing beaches, worst between May and August.68climate
- 🇲🇽 Playa del Carmen, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown seaweed piles up on the east-facing sand, worst from May to August.68climate
- 🇲🇽 Isla Mujeres, MexicoSargassum season · 1 Apr – 30 Sep (usually)The east-facing side takes the seaweed and the smell that comes with it once it rots.68climate
- 🇨🇺 Varadero, CubaSargassum on the peninsula · 1 Apr – 31 Aug (usually)Weed lands along the north-facing beach through the summer and each hotel rakes its own stretch at dawn.68climate
- 🇧🇿 San Pedro, BelizeSargassum season · 1 Apr – 31 Aug (usually)The weed lands on the windward beaches through the spring and summer, and how bad it gets varies enormously year to year.67climate
- 🇧🇿 Caye Caulker, BelizeSargassum on the windward side · 1 Apr – 30 Sep (usually)The east shore and the Split collect weed through the summer and crews rake it at dawn.67climate
- 🇺🇸 Fort Lauderdale, United StatesSargassum season · 15 Apr – 30 Sep (usually)The Atlantic seaweed belt pushes ashore from late spring, worst between May and August, and it smells as it rots.66climate
- 🇧🇿 Placencia, BelizeSargassum on the peninsula · 1 Apr – 30 Sep (usually)The long east-facing beach collects weed through the summer and the hotels rake their own stretch.66climate
- 🇯🇲 Ocho Rios, JamaicaSargassum east of town · 1 May – 30 Sep (usually)The bays east towards Oracabessa collect a fringe of weed through the summer.65climate
- 🇨🇴 San Andrés, ColombiaSargassum on the windward beaches · 1 Apr – 31 Aug (usually)Some years the Atlantic drift piles brown weed on the east-facing beaches for weeks and the hotels rake it off each morning.61climate
- 🇯🇲 Montego Bay, JamaicaSargassum on the north coast · 1 May – 30 Sep (usually)The north coast gets far less than the eastern islands, but the bays east of town collect a fringe of weed in summer and the hotels rake it off before breakfast.57climate
Sargassum season in June
- 🇩🇴 Samaná, Dominican RepublicSargassum on the Atlantic side · 1 Apr – 31 Aug (usually)The north-facing beaches around Las Terrenas and the peninsula's eastern end take the weed.73climate
- Fort-de-France, MartiniqueSargassum on the Atlantic coast · 1 Mar – 30 Sep (usually)The windward coast from Le Robert round to Sainte-Anne takes it worst; as it rots the gas corrodes electronics indoors and closes beach restaurants for days.72climate
- Pointe-à-Pitre, GuadeloupeSargassum on the windward coast · 1 Mar – 30 Sep (usually)Grande-Terre's Atlantic beaches and the shallow Petit Cul-de-Sac take the worst of it, and the gas as it rots blackens silver and closes seafront schools for days.72climate
- 🇩🇴 Punta Cana, Dominican RepublicSargassum on the east beaches · 15 Mar – 31 Aug (usually)Bavaro and Macao face east into the drift and take the brunt of it; hotels rake at dawn and the sheltered coves clear faster.70climate
- 🇵🇷 San Juan, Puerto RicoSargassum drift · 1 Apr – 31 Aug (usually)The city beaches at Condado and Isla Verde usually get off lightly; the east coast towards Fajardo and the offshore cays take far more.70climate
- 🇱🇨 Castries, Saint LuciaSargassum on the Atlantic side · 1 Apr – 30 Sep (usually)The windward coast around Vieux Fort and Micoud takes the weed and the smell that comes with it.70climate
- The Valley, AnguillaSargassum season · 1 May – 30 Sep (usually)Anguilla is hit less hard than islands further south, but weed still lands on the south and northeast coasts most years - Savannah Bay, Sandy Hill Bay and Shoal Bay East are the names locals watch.70climate
- 🇸🇽 Philipsburg, Sint MaartenSargassum on the windward coasts · 1 Apr – 31 Aug (usually)The drift piles up on the Atlantic-facing east and north shores; Great Bay in front of town faces south and usually escapes it.69climate
- Charlotte Amalie, U.S. Virgin IslandsSargassum on the east end · 1 Apr – 31 Aug (usually)The south and east shores catch the drift and the bays that hold it smell for a week at a time.69climate
- 🇯🇲 Ocho Rios, JamaicaSargassum east of town · 1 May – 30 Sep (usually)The bays east towards Oracabessa collect a fringe of weed through the summer.68climate
- Virgin Gorda, British Virgin IslandsSargassum at Handsome Bay · 1 May – 31 Oct (usually)Weed has clogged the desalination intake at Handsome Bay badly enough in past years to leave the plant out of action for months at a stretch.68climate
- 🇧🇧 Bridgetown, BarbadosSargassum on the Atlantic coast · 1 Apr – 30 Sep (usually)The east and south-east coasts collect the weed through the summer, and the smell as it rots keeps people off Bathsheba and Crane for days.65climate
- 🇯🇲 Montego Bay, JamaicaSargassum on the north coast · 1 May – 30 Sep (usually)The north coast gets far less than the eastern islands, but the bays east of town collect a fringe of weed in summer and the hotels rake it off before breakfast.60climate
- 🇨🇺 Varadero, CubaSargassum on the peninsula · 1 Apr – 31 Aug (usually)Weed lands along the north-facing beach through the summer and each hotel rakes its own stretch at dawn.60climate
- 🇲🇽 Cancún, MexicoSargassum season · 1 Apr – 30 Sep (usually)Rafts of brown seaweed pile up on the east-facing beaches, worst between May and August.57climate
- 🇲🇽 Isla Mujeres, MexicoSargassum season · 1 Apr – 30 Sep (usually)The east-facing side takes the seaweed and the smell that comes with it once it rots.57climate
- 🇲🇽 Tulum, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown weed comes ashore on this east-facing coast from April, worst between May and August.56climate
- 🇲🇽 Playa del Carmen, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown seaweed piles up on the east-facing sand, worst from May to August.56climate
- 🇺🇸 Fort Lauderdale, United StatesSargassum season · 15 Apr – 30 Sep (usually)The Atlantic seaweed belt pushes ashore from late spring, worst between May and August, and it smells as it rots.54climate
- 🇧🇿 Caye Caulker, BelizeSargassum on the windward side · 1 Apr – 30 Sep (usually)The east shore and the Split collect weed through the summer and crews rake it at dawn.53climate
- 🇧🇿 San Pedro, BelizeSargassum season · 1 Apr – 31 Aug (usually)The weed lands on the windward beaches through the spring and summer, and how bad it gets varies enormously year to year.52climate
- 🇧🇿 Placencia, BelizeSargassum on the peninsula · 1 Apr – 30 Sep (usually)The long east-facing beach collects weed through the summer and the hotels rake their own stretch.51climate
- 🇨🇴 San Andrés, ColombiaSargassum on the windward beaches · 1 Apr – 31 Aug (usually)Some years the Atlantic drift piles brown weed on the east-facing beaches for weeks and the hotels rake it off each morning.50climate
Sargassum season in July
- 🇩🇴 Samaná, Dominican RepublicSargassum on the Atlantic side · 1 Apr – 31 Aug (usually)The north-facing beaches around Las Terrenas and the peninsula's eastern end take the weed.70climate
- Pointe-à-Pitre, GuadeloupeSargassum on the windward coast · 1 Mar – 30 Sep (usually)Grande-Terre's Atlantic beaches and the shallow Petit Cul-de-Sac take the worst of it, and the gas as it rots blackens silver and closes seafront schools for days.69climate
- Fort-de-France, MartiniqueSargassum on the Atlantic coast · 1 Mar – 30 Sep (usually)The windward coast from Le Robert round to Sainte-Anne takes it worst; as it rots the gas corrodes electronics indoors and closes beach restaurants for days.68climate
- 🇲🇽 Tulum, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown weed comes ashore on this east-facing coast from April, worst between May and August.67climate
- 🇱🇨 Castries, Saint LuciaSargassum on the Atlantic side · 1 Apr – 30 Sep (usually)The windward coast around Vieux Fort and Micoud takes the weed and the smell that comes with it.67climate
- 🇯🇲 Ocho Rios, JamaicaSargassum east of town · 1 May – 30 Sep (usually)The bays east towards Oracabessa collect a fringe of weed through the summer.67climate
- 🇩🇴 Punta Cana, Dominican RepublicSargassum on the east beaches · 15 Mar – 31 Aug (usually)Bavaro and Macao face east into the drift and take the brunt of it; hotels rake at dawn and the sheltered coves clear faster.66climate
- 🇵🇷 San Juan, Puerto RicoSargassum drift · 1 Apr – 31 Aug (usually)The city beaches at Condado and Isla Verde usually get off lightly; the east coast towards Fajardo and the offshore cays take far more.66climate
- 🇲🇽 Cancún, MexicoSargassum season · 1 Apr – 30 Sep (usually)Rafts of brown seaweed pile up on the east-facing beaches, worst between May and August.65climate
- 🇸🇽 Philipsburg, Sint MaartenSargassum on the windward coasts · 1 Apr – 31 Aug (usually)The drift piles up on the Atlantic-facing east and north shores; Great Bay in front of town faces south and usually escapes it.65climate
- 🇲🇽 Isla Mujeres, MexicoSargassum season · 1 Apr – 30 Sep (usually)The east-facing side takes the seaweed and the smell that comes with it once it rots.65climate
- 🇨🇺 Varadero, CubaSargassum on the peninsula · 1 Apr – 31 Aug (usually)Weed lands along the north-facing beach through the summer and each hotel rakes its own stretch at dawn.65climate
- The Valley, AnguillaSargassum season · 1 May – 30 Sep (usually)Anguilla is hit less hard than islands further south, but weed still lands on the south and northeast coasts most years - Savannah Bay, Sandy Hill Bay and Shoal Bay East are the names locals watch.65climate
- 🇲🇽 Playa del Carmen, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown seaweed piles up on the east-facing sand, worst from May to August.64climate
- Charlotte Amalie, U.S. Virgin IslandsSargassum on the east end · 1 Apr – 31 Aug (usually)The south and east shores catch the drift and the bays that hold it smell for a week at a time.64climate
- Virgin Gorda, British Virgin IslandsSargassum at Handsome Bay · 1 May – 31 Oct (usually)Weed has clogged the desalination intake at Handsome Bay badly enough in past years to leave the plant out of action for months at a stretch.64climate
- 🇧🇧 Bridgetown, BarbadosSargassum on the Atlantic coast · 1 Apr – 30 Sep (usually)The east and south-east coasts collect the weed through the summer, and the smell as it rots keeps people off Bathsheba and Crane for days.63climate
- 🇧🇿 San Pedro, BelizeSargassum season · 1 Apr – 31 Aug (usually)The weed lands on the windward beaches through the spring and summer, and how bad it gets varies enormously year to year.61climate
- 🇧🇿 Caye Caulker, BelizeSargassum on the windward side · 1 Apr – 30 Sep (usually)The east shore and the Split collect weed through the summer and crews rake it at dawn.61climate
- 🇯🇲 Montego Bay, JamaicaSargassum on the north coast · 1 May – 30 Sep (usually)The north coast gets far less than the eastern islands, but the bays east of town collect a fringe of weed in summer and the hotels rake it off before breakfast.59climate
- 🇺🇸 Fort Lauderdale, United StatesSargassum season · 15 Apr – 30 Sep (usually)The Atlantic seaweed belt pushes ashore from late spring, worst between May and August, and it smells as it rots.58climate
- 🇧🇿 Placencia, BelizeSargassum on the peninsula · 1 Apr – 30 Sep (usually)The long east-facing beach collects weed through the summer and the hotels rake their own stretch.54climate
- 🇨🇴 San Andrés, ColombiaSargassum on the windward beaches · 1 Apr – 31 Aug (usually)Some years the Atlantic drift piles brown weed on the east-facing beaches for weeks and the hotels rake it off each morning.51climate
Sargassum season in August
- 🇩🇴 Samaná, Dominican RepublicSargassum on the Atlantic side · 1 Apr – 31 Aug (usually)The north-facing beaches around Las Terrenas and the peninsula's eastern end take the weed.69climate
- Fort-de-France, MartiniqueSargassum on the Atlantic coast · 1 Mar – 30 Sep (usually)The windward coast from Le Robert round to Sainte-Anne takes it worst; as it rots the gas corrodes electronics indoors and closes beach restaurants for days.67climate
- Pointe-à-Pitre, GuadeloupeSargassum on the windward coast · 1 Mar – 30 Sep (usually)Grande-Terre's Atlantic beaches and the shallow Petit Cul-de-Sac take the worst of it, and the gas as it rots blackens silver and closes seafront schools for days.67climate
- 🇱🇨 Castries, Saint LuciaSargassum on the Atlantic side · 1 Apr – 30 Sep (usually)The windward coast around Vieux Fort and Micoud takes the weed and the smell that comes with it.66climate
- 🇩🇴 Punta Cana, Dominican RepublicSargassum on the east beaches · 15 Mar – 31 Aug (usually)Bavaro and Macao face east into the drift and take the brunt of it; hotels rake at dawn and the sheltered coves clear faster.64climate
- 🇵🇷 San Juan, Puerto RicoSargassum drift · 1 Apr – 31 Aug (usually)The city beaches at Condado and Isla Verde usually get off lightly; the east coast towards Fajardo and the offshore cays take far more.64climate
- 🇯🇲 Ocho Rios, JamaicaSargassum east of town · 1 May – 30 Sep (usually)The bays east towards Oracabessa collect a fringe of weed through the summer.64climate
- The Valley, AnguillaSargassum season · 1 May – 30 Sep (usually)Anguilla is hit less hard than islands further south, but weed still lands on the south and northeast coasts most years - Savannah Bay, Sandy Hill Bay and Shoal Bay East are the names locals watch.64climate
- 🇸🇽 Philipsburg, Sint MaartenSargassum on the windward coasts · 1 Apr – 31 Aug (usually)The drift piles up on the Atlantic-facing east and north shores; Great Bay in front of town faces south and usually escapes it.63climate
- 🇲🇽 Tulum, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown weed comes ashore on this east-facing coast from April, worst between May and August.62climate
- Virgin Gorda, British Virgin IslandsSargassum at Handsome Bay · 1 May – 31 Oct (usually)Weed has clogged the desalination intake at Handsome Bay badly enough in past years to leave the plant out of action for months at a stretch.62climate
- 🇧🇧 Bridgetown, BarbadosSargassum on the Atlantic coast · 1 Apr – 30 Sep (usually)The east and south-east coasts collect the weed through the summer, and the smell as it rots keeps people off Bathsheba and Crane for days.61climate
- Charlotte Amalie, U.S. Virgin IslandsSargassum on the east end · 1 Apr – 31 Aug (usually)The south and east shores catch the drift and the bays that hold it smell for a week at a time.61climate
- 🇨🇺 Varadero, CubaSargassum on the peninsula · 1 Apr – 31 Aug (usually)Weed lands along the north-facing beach through the summer and each hotel rakes its own stretch at dawn.61climate
- 🇲🇽 Cancún, MexicoSargassum season · 1 Apr – 30 Sep (usually)Rafts of brown seaweed pile up on the east-facing beaches, worst between May and August.60climate
- 🇲🇽 Isla Mujeres, MexicoSargassum season · 1 Apr – 30 Sep (usually)The east-facing side takes the seaweed and the smell that comes with it once it rots.60climate
- 🇲🇽 Playa del Carmen, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown seaweed piles up on the east-facing sand, worst from May to August.59climate
- 🇧🇿 Caye Caulker, BelizeSargassum on the windward side · 1 Apr – 30 Sep (usually)The east shore and the Split collect weed through the summer and crews rake it at dawn.58climate
- 🇧🇿 San Pedro, BelizeSargassum season · 1 Apr – 31 Aug (usually)The weed lands on the windward beaches through the spring and summer, and how bad it gets varies enormously year to year.57climate
- 🇯🇲 Montego Bay, JamaicaSargassum on the north coast · 1 May – 30 Sep (usually)The north coast gets far less than the eastern islands, but the bays east of town collect a fringe of weed in summer and the hotels rake it off before breakfast.55climate
- 🇨🇴 San Andrés, ColombiaSargassum on the windward beaches · 1 Apr – 31 Aug (usually)Some years the Atlantic drift piles brown weed on the east-facing beaches for weeks and the hotels rake it off each morning.55climate
- 🇧🇿 Placencia, BelizeSargassum on the peninsula · 1 Apr – 30 Sep (usually)The long east-facing beach collects weed through the summer and the hotels rake their own stretch.55climate
- 🇺🇸 Fort Lauderdale, United StatesSargassum season · 15 Apr – 30 Sep (usually)The Atlantic seaweed belt pushes ashore from late spring, worst between May and August, and it smells as it rots.51climate
Sargassum season in September
- Fort-de-France, MartiniqueSargassum on the Atlantic coast · 1 Mar – 30 Sep (usually)The windward coast from Le Robert round to Sainte-Anne takes it worst; as it rots the gas corrodes electronics indoors and closes beach restaurants for days.66climate
- 🇱🇨 Castries, Saint LuciaSargassum on the Atlantic side · 1 Apr – 30 Sep (usually)The windward coast around Vieux Fort and Micoud takes the weed and the smell that comes with it.65climate
- Pointe-à-Pitre, GuadeloupeSargassum on the windward coast · 1 Mar – 30 Sep (usually)Grande-Terre's Atlantic beaches and the shallow Petit Cul-de-Sac take the worst of it, and the gas as it rots blackens silver and closes seafront schools for days.65climate
- 🇲🇽 Tulum, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown weed comes ashore on this east-facing coast from April, worst between May and August.62climate
- 🇧🇧 Bridgetown, BarbadosSargassum on the Atlantic coast · 1 Apr – 30 Sep (usually)The east and south-east coasts collect the weed through the summer, and the smell as it rots keeps people off Bathsheba and Crane for days.62climate
- 🇯🇲 Ocho Rios, JamaicaSargassum east of town · 1 May – 30 Sep (usually)The bays east towards Oracabessa collect a fringe of weed through the summer.61climate
- The Valley, AnguillaSargassum season · 1 May – 30 Sep (usually)Anguilla is hit less hard than islands further south, but weed still lands on the south and northeast coasts most years - Savannah Bay, Sandy Hill Bay and Shoal Bay East are the names locals watch.60climate
- Virgin Gorda, British Virgin IslandsSargassum at Handsome Bay · 1 May – 31 Oct (usually)Weed has clogged the desalination intake at Handsome Bay badly enough in past years to leave the plant out of action for months at a stretch.60climate
- 🇲🇽 Cancún, MexicoSargassum season · 1 Apr – 30 Sep (usually)Rafts of brown seaweed pile up on the east-facing beaches, worst between May and August.58climate
- 🇲🇽 Playa del Carmen, MexicoSargassum season · 1 Apr – 30 Sep (usually)Brown seaweed piles up on the east-facing sand, worst from May to August.58climate
- 🇲🇽 Isla Mujeres, MexicoSargassum season · 1 Apr – 30 Sep (usually)The east-facing side takes the seaweed and the smell that comes with it once it rots.58climate
- 🇧🇿 Placencia, BelizeSargassum on the peninsula · 1 Apr – 30 Sep (usually)The long east-facing beach collects weed through the summer and the hotels rake their own stretch.58climate
- 🇯🇲 Montego Bay, JamaicaSargassum on the north coast · 1 May – 30 Sep (usually)The north coast gets far less than the eastern islands, but the bays east of town collect a fringe of weed in summer and the hotels rake it off before breakfast.56climate
- 🇧🇿 Caye Caulker, BelizeSargassum on the windward side · 1 Apr – 30 Sep (usually)The east shore and the Split collect weed through the summer and crews rake it at dawn.56climate
- 🇺🇸 Fort Lauderdale, United StatesSargassum season · 15 Apr – 30 Sep (usually)The Atlantic seaweed belt pushes ashore from late spring, worst between May and August, and it smells as it rots.52climate