Beach
Johanna Beach
Victoria, Australia · sea 18.1 °C at its warmest, in February

Sea temperature month by month
17.5Jan
18.1Feb
17.8Mar
16.5Apr
15.6May
14.8Jun
14.2Jul
13.7Aug
13.6Sep
14Oct
14.8Nov
16.1Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
beach in Victoria, 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 Johanna Beach?
The sea off Johanna Beach averages 18.1 °C at its warmest, in February, and 13.6 °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 Johanna Beach?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Johanna Beach?
Johanna Beach is on the coast of Victoria, Australia, at -38.7685, 143.3954. The map on this site flies straight to it.