With an average ocean temperature of 77F – 83F, Kauai's water temperature is also perfect for swimming year-round!
Is it warm enough to swim in Hawaii?
Ocean ConditionsThe relatively high ocean temperatures and perfect weather make Hawaii the ideal destination for swimming and surfing. The average temperature of the ocean during April is around 77°F, which is warm enough for most visitors, especially those from cold climates.
Is it warm enough to swim in Kauai?
Is Kauai beach swimmable?
While the south shore is swimmable year-round, the summer months can bring choppier waters to Kauai beaches on the south end. As a result, in the summer, you'll find the best beaches for swimming on the north end of Kauai, where you can swim in Hanalei Bay and Ke'e Beach worry-free.
What time of year is the water warmest in Hawaii?
According to data from the National Oceanic Atmospheric Association (NOAA), the warmest water off Honolulu can be found from July to September—averaging 80 to 81 degrees Fahrenheit. However, Honolulu water temperatures drop to only 76 degrees in January, according to NOAA.