Hawaii's islands sit in warm mid-Pacific waters that stay swimmable every month of the year, with the calmest surf on leeward shores in summer.
All US beaches
Sea temperature in Hawaii
Tropical Pacific water year-round across Oahu, Maui, Kauai and the Big Island.
Beaches tracked
108
Coastal regions
5
Avg sea temp now
…
Best swim months
April–October
Coastal regions in Hawaii
Warmest Hawaii beaches today
Top 5 beaches ranked by live sea temperature right now.
Coldest Hawaii beaches today
Bottom 5 beaches ranked by live sea temperature, coldest first.
