Beach
Treasure Island Beach
Laguna Beach, United States · sea 20.7 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 17 km offshore, at the nearest open water cell of a 0.25° grid.
About
beach in Laguna Beach, California, United States
Wikipedia has no article about this beach yet. It is on the atlas from its Wikidata record and its photograph.
Questions
How warm is the sea at Treasure Island Beach?
The sea off Treasure Island Beach averages 20.7 °C at its warmest, in August, and 15 °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 Treasure Island 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 Treasure Island Beach?
Treasure Island Beach is on the coast of Laguna Beach, United States, at 33.5134, -117.7564. The map on this site flies straight to it.
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