Beach
Cedar Beach
Mount Sinai, United States · sea 23.1 °C at its warmest, in August

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
Cedar Beach is a public beach on the North Shore of Long Island, located within the Town of Brookhaven in Suffolk County, New York.
Questions
How warm is the sea at Cedar Beach?
The sea off Cedar Beach averages 23.1 °C at its warmest, in August, and 1.9 °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 Cedar Beach?
The sea reaches 20 °C or more from July to September. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Cedar Beach?
Cedar Beach is on the coast of Mount Sinai, United States, at 40.9653, -73.0328. The map on this site flies straight to it.
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