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.

← All seasons · The world's calendar

When it is on

Number of destinations with sargassum season on in that month. Windows move a little each year.

Sargassum season in March

  1. 🇩🇴 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
  2. 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
  3. 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

What's on around the world in March

Sargassum season in April

  1. 🇨🇺 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
  2. 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
  3. 🇲🇽 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
  4. 🇲🇽 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
  5. 🇲🇽 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
  6. 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
  7. 🇱🇨 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
  8. 🇸🇽 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
  9. 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
  10. 🇩🇴 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
  11. 🇺🇸 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
  12. 🇩🇴 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
  13. 🇲🇽 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
  14. 🇧🇧 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
  15. 🇧🇿 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
  16. 🇧🇿 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
  17. 🇵🇷 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
  18. 🇨🇴 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
  19. 🇧🇿 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

What's on around the world in April

Sargassum season in May

  1. 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
  2. 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
  3. 🇱🇨 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
  4. 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
  5. 🇩🇴 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
  6. 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
  7. 🇧🇧 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
  8. 🇸🇽 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
  9. 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
  10. 🇲🇽 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
  11. 🇩🇴 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
  12. 🇵🇷 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
  13. 🇲🇽 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
  14. 🇲🇽 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
  15. 🇲🇽 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
  16. 🇨🇺 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
  17. 🇧🇿 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
  18. 🇧🇿 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
  19. 🇺🇸 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
  20. 🇧🇿 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
  21. 🇯🇲 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
  22. 🇨🇴 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
  23. 🇯🇲 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

What's on around the world in May

Sargassum season in June

  1. 🇩🇴 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
  2. 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
  3. 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
  4. 🇩🇴 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
  5. 🇵🇷 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
  6. 🇱🇨 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
  7. 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
  8. 🇸🇽 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
  9. 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
  10. 🇯🇲 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
  11. 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
  12. 🇧🇧 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
  13. 🇯🇲 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
  14. 🇨🇺 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
  15. 🇲🇽 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
  16. 🇲🇽 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
  17. 🇲🇽 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
  18. 🇲🇽 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
  19. 🇺🇸 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
  20. 🇧🇿 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
  21. 🇧🇿 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
  22. 🇧🇿 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
  23. 🇨🇴 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

What's on around the world in June

Sargassum season in July

  1. 🇩🇴 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
  2. 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
  3. 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
  4. 🇲🇽 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
  5. 🇱🇨 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
  6. 🇯🇲 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
  7. 🇩🇴 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
  8. 🇵🇷 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
  9. 🇲🇽 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
  10. 🇸🇽 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
  11. 🇲🇽 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
  12. 🇨🇺 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
  13. 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
  14. 🇲🇽 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
  15. 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
  16. 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
  17. 🇧🇧 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
  18. 🇧🇿 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
  19. 🇧🇿 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
  20. 🇯🇲 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
  21. 🇺🇸 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
  22. 🇧🇿 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
  23. 🇨🇴 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

What's on around the world in July

Sargassum season in August

  1. 🇩🇴 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
  2. 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
  3. 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
  4. 🇱🇨 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
  5. 🇩🇴 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
  6. 🇵🇷 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
  7. 🇯🇲 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
  8. 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
  9. 🇸🇽 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
  10. 🇲🇽 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
  11. 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
  12. 🇧🇧 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
  13. 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
  14. 🇨🇺 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
  15. 🇲🇽 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
  16. 🇲🇽 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
  17. 🇲🇽 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
  18. 🇧🇿 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
  19. 🇧🇿 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
  20. 🇯🇲 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
  21. 🇨🇴 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
  22. 🇧🇿 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
  23. 🇺🇸 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

What's on around the world in August

Sargassum season in September

  1. 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
  2. 🇱🇨 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
  3. 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
  4. 🇲🇽 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
  5. 🇧🇧 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
  6. 🇯🇲 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
  7. 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
  8. 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
  9. 🇲🇽 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
  10. 🇲🇽 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
  11. 🇲🇽 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
  12. 🇧🇿 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
  13. 🇯🇲 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
  14. 🇧🇿 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
  15. 🇺🇸 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

What's on around the world in September

Sargassum season in October

  1. 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

What's on around the world in October