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Seasonal ranking

Warmest sea temperature in United States in March

Where the sea is warmest across United States during March, ranked by long-term monthly average water temperature. Zoni Beach (Puerto Rico, United States) tops the list at around 26°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Zoni Beach
    Puerto Rico · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  2. 2
    Sun Bay
    Puerto Rico · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  3. 3
    Playa Jobos
    Puerto Rico · United States · Atlantic Ocean
    Warm — comfortable swimming
    26°C
    March average
  4. 4
    Buye Beach
    Puerto Rico · United States · Atlantic Ocean
    Warm — comfortable swimming
    26°C
    March average
  5. 5
    Playa Santa
    Puerto Rico · United States · Atlantic Ocean
    Warm — comfortable swimming
    26°C
    March average
  6. 6
    Caja de Muertos
    Puerto Rico · United States · Atlantic Ocean
    Warm — comfortable swimming
    26°C
    March average
  7. 7
    Seven Seas Beach
    Puerto Rico · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  8. 8
    Playa Azul
    Puerto Rico · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  9. 9
    Playa Mar Chiquita
    Puerto Rico · United States · Atlantic Ocean
    Warm — comfortable swimming
    26°C
    March average
  10. 10
    Cerro Gordo
    Puerto Rico · United States · Atlantic Ocean
    Warm — comfortable swimming
    26°C
    March average
  11. 11
    Ocean Park Beach
    Puerto Rico · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  12. 12
    Isla Verde Beach
    Puerto Rico · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  13. 13
    Pinones Beach
    Puerto Rico · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  14. 14
    Playa El Convento
    Puerto Rico · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  15. 15
    Playa Punta Santiago
    Puerto Rico · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  16. 16
    Steps Beach
    Puerto Rico · United States · Atlantic Ocean
    Warm — comfortable swimming
    26°C
    March average
  17. 17
    Cinnamon Bay
    US Virgin Islands · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  18. 18
    Coki Beach
    US Virgin Islands · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  19. 19
    Sandy Point
    US Virgin Islands · United States · Caribbean Sea
    Warm — comfortable swimming
    26°C
    March average
  20. 20
    Bahia Honda
    Florida Keys · United States · Atlantic Ocean
    Warm — comfortable swimming
    24°C
    March average
  21. 21
    Sombrero Beach
    Florida Keys · United States · Atlantic Ocean
    Warm — comfortable swimming
    24°C
    March average
  22. 22
    Smathers Beach
    Florida Keys · United States · Atlantic Ocean
    Warm — comfortable swimming
    24°C
    March average
  23. 23
    Waikiki Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    24°C
    March average
  24. 24
    Lanikai Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    24°C
    March average
  25. 25
    Waimanalo Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    24°C
    March average

Warmest sea in March elsewhere

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United States in March — frequently asked questions

Where is the sea warmest in United States in March?
Zoni Beach in United States has the warmest sea in United States in March, averaging about 26.0 °C. Sun Bay (26.0 °C) and Playa Jobos follow close behind.
How many beaches in United States are warm enough to swim in March?
25 of the top 25 ranked beaches in United States average 22 °C or more in March, which most swimmers find comfortable without a wetsuit.
How are these March sea temperatures calculated?
Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical March rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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