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Seasonal ranking

Coldest sea temperature in Hawaii in August

Where the sea is coolest across Hawaii during August, ranked by long-term monthly average water temperature. Waikiki Beach (Hawaii, United States) is the coolest at around 27°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Waikiki Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  2. 2
    Waimanalo Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  3. 3
    Sunset Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  4. 4
    Ko Olina Lagoons
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  5. 5
    Kee Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  6. 6
    Kua Bay
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  7. 7
    Hapuna Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  8. 8
    Makalawena Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  9. 9
    Poipu Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  10. 10
    Lydgate Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  11. 11
    Papohaku Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  12. 12
    Lanikai Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  13. 13
    Bellows Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  14. 14
    Wailea Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  15. 15
    Kaanapali Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  16. 16
    Kapalua Bay
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  17. 17
    Hookipa Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  18. 18
    Turtle Bay
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  19. 19
    Mokuleia Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  20. 20
    Polihua Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  21. 21
    Halawa Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  22. 22
    Salt Pond Beach
    Hawaii · United States · Pacific Ocean
    Warm — comfortable swimming
    27°C
    August average
  23. 23
    Big Beach
    Maui · United States · Pacific Ocean
    Warm — comfortable swimming
    28°C
    August average
  24. 24
    Hamoa Beach
    Maui · United States · Pacific Ocean
    Warm — comfortable swimming
    28°C
    August average
  25. 25
    Little Beach Maui
    Maui · United States · Pacific Ocean
    Warm — comfortable swimming
    28°C
    August average

Coldest sea in August elsewhere

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Hawaii in August — frequently asked questions

Where is the sea coldest in Hawaii in August?
Waikiki Beach in United States has the coldest sea in Hawaii in August, averaging about 27.0 °C. Waimanalo Beach (27.0 °C) and Sunset Beach are the next coolest.
How many beaches in Hawaii are warm enough to swim in August?
25 of the top 25 ranked beaches in Hawaii 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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