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Seasonal ranking

Warmest sea temperature in North America in August

Where the sea is warmest across North America during August, ranked by long-term monthly average water temperature. Clearwater Beach (Florida Gulf, United States) tops the list at around 30°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Clearwater Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  2. 2
    Caladesi Island
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  3. 3
    Indian Rocks Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  4. 4
    Madeira Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  5. 5
    Treasure Island
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  6. 6
    St Pete Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  7. 7
    Fort De Soto
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  8. 8
    Anna Maria Island
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  9. 9
    Bradenton Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  10. 10
    Lido Key
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  11. 11
    Siesta Key
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  12. 12
    Manasota Key
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  13. 13
    Boca Grande
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  14. 14
    Fort Myers Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  15. 15
    Bowman's Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  16. 16
    Captiva Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  17. 17
    Vanderbilt Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  18. 18
    Marco Island Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  19. 19
    Pensacola Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  20. 20
    Navarre Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  21. 21
    Destin Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  22. 22
    Miramar Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  23. 23
    Grayton Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  24. 24
    Seaside Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average
  25. 25
    Rosemary Beach
    Florida Gulf · United States · Gulf of Mexico
    Warm — comfortable swimming
    30°C
    August average

Warmest sea in August elsewhere

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North America in August — frequently asked questions

Where is the sea warmest in North America in August?
Clearwater Beach in United States has the warmest sea in North America in August, averaging about 30.0 °C. Caladesi Island (30.0 °C) and Indian Rocks Beach follow close behind.
How many beaches in North America are warm enough to swim in August?
25 of the top 25 ranked beaches in North America average 22 °C or more in August, which most swimmers find comfortable without a wetsuit.
How are these August sea temperatures calculated?
Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical August rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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