Beach
Belongil Beach
New South Wales, Australia · sea 26.3 °C at its warmest, in February

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
a beach near Byron Bay, New South Wales, Australia
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 Belongil Beach?
The sea off Belongil Beach averages 26.3 °C at its warmest, in February, and 20.7 °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 Belongil Beach?
The sea reaches 20 °C or more from All year. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Belongil Beach?
Belongil Beach is on the coast of New South Wales, Australia, at -28.6092, 153.5722. The map on this site flies straight to it.