Beach
Sunnyside Beach
Victoria, Australia · sea 20.6 °C at its warmest, in February

Sea temperature month by month
20Jan
20.6Feb
19.9Mar
17.8Apr
15.3May
13.2Jun
11.6Jul
11.1Aug
12.1Sep
14.2Oct
16.5Nov
18.4Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
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 Sunnyside Beach?
The sea off Sunnyside Beach averages 20.6 °C at its warmest, in February, and 11.1 °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 Sunnyside Beach?
The sea reaches 20 °C or more from January to February. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Sunnyside Beach?
Sunnyside Beach is on the coast of Victoria, Australia, at -38.2006, 145.0653. The map on this site flies straight to it.