Beach
Baker Beach
San Francisco, United States · sea 14.4 °C at its warmest, in September

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 15 km offshore, at the nearest open water cell of a 0.25° grid.
About
Baker Beach is a public beach on the peninsula of San Francisco, California, United States. The beach lies on the shore of the Pacific Ocean in the West Side of the city.
Questions
How warm is the sea at Baker Beach?
The sea off Baker Beach averages 14.4 °C at its warmest, in September, and 11.5 °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 Baker 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 Baker Beach?
Baker Beach is on the coast of San Francisco, United States, at 37.7937, -122.4837. The map on this site flies straight to it.
Beaches nearby
China Beach, San FranciscoSan Francisco County, United States
Marshall's BeachCalifornia, United States
Kirby BeachMarin County, United States
Ocean BeachSan Francisco, United States
Rodeo BeachMarin County, United States
Barker BeachSan Francisco, United States
Thornton State BeachSan Mateo County, United States
Keller BeachCalifornia, United States