Beach
Glass Beach
Kauai County, United States · sea 26.9 °C at its warmest, in September

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
Glass Beach is a beach in ʻEleʻele, an industrial area in Kauai, Hawaii, that is made of sea glass. It is in Hanapepe Bay, near Port Allen Harbor.
Questions
How warm is the sea at Glass Beach?
The sea off Glass Beach averages 26.9 °C at its warmest, in September, and 23.9 °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 Glass 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 Glass Beach?
Glass Beach is on the coast of Kauai County, United States, at 21.8981, -159.5840. The map on this site flies straight to it.
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