Beach
Double Bluff Beach
Washington, United States · sea 11.9 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 31 km offshore, at the nearest open water cell of a 0.25° grid.
About
Double Bluff Beach is a beach and headland on Whidbey Island in the U.S. state of Washington. The beach tidelands themselves comprise Double Bluff State Park.
Questions
How warm is the sea at Double Bluff Beach?
The sea off Double Bluff Beach averages 11.9 °C at its warmest, in August, and 7.9 °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 Double Bluff Beach?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Double Bluff Beach?
Double Bluff Beach is on the coast of Washington, United States, at 47.9985, -122.5050. The map on this site flies straight to it.
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