Beach
Cornwallis Beach
Auckland Region, New Zealand · sea 20.8 °C at its warmest, in February

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
beach in New Zealand
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 Cornwallis Beach?
The sea off Cornwallis Beach averages 20.8 °C at its warmest, in February, and 13.8 °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 Cornwallis Beach?
The sea reaches 20 °C or more from January to March. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Cornwallis Beach?
Cornwallis Beach is on the coast of Auckland Region, New Zealand, at -37.0056, 174.6036. The map on this site flies straight to it.
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