Beach
Shichirimi Beach
Mie Prefecture, Japan · sea 27 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
La plage de Shichirimi (七里御浜, Shichirimi-hama) est une plage de la préfecture de Mie facé à la Mer de Kumano au Japon. Elle s'étend de la ville de Kumano au bourg de Kihō.
Questions
How warm is the sea at Shichirimi Beach?
The sea off Shichirimi Beach averages 27 °C at its warmest, in August, and 16.5 °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 Shichirimi Beach?
The sea reaches 20 °C or more from June to November. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Shichirimi Beach?
Shichirimi Beach is on the coast of Mie Prefecture, Japan, at 33.7889, 136.0390. The map on this site flies straight to it.