Beach
Pak Tso Wan
Hong Kong, People's Republic of China · sea 28.8 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 13 km offshore, at the nearest open water cell of a 0.25° grid.
About
bay and beach on Cheung Chau
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 Pak Tso Wan?
The sea off Pak Tso Wan averages 28.8 °C at its warmest, in August, and 19.6 °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 Pak Tso Wan?
The sea reaches 20 °C or more from March to December. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Pak Tso Wan?
Pak Tso Wan is on the coast of Hong Kong, People's Republic of China, at 22.1969, 114.0211. The map on this site flies straight to it.
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