Beach
Hanakapiai Beach
Kauai County, United States · sea 26.7 °C at its warmest, in September

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 19 km offshore, at the nearest open water cell of a 0.25° grid.
About
Hanakāpīʻai Beach is a beach in the Hawaiian islands located on Kauai's Nā Pali Coast. The beach is approximately 2 miles (3.2 km) from the start of the Kalalau Trail, a very popular hiking…
Questions
How warm is the sea at Hanakapiai Beach?
The sea off Hanakapiai Beach averages 26.7 °C at its warmest, in September, and 23.5 °C at its coolest. These are monthly means from NOAA's OISST v2.1 satellite and buoy record for 1991 to 2020, sampled at the beach's own coordinates.
When can you swim at Hanakapiai Beach?
The sea reaches 20 °C or more from All year. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Hanakapiai Beach?
Hanakapiai Beach is on the coast of Kauai County, United States, at 22.2092, -159.5978. The map on this site flies straight to it.
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