Japan
Japan offers a diverse range of sea water temperatures. At the moment, you can observe the warmest water temperatures along the shores of the cities Ishigaki (84.5°F), Naha (84.1°F) and Amagasaki (79.9°F). In contrast, the city of Nemuro has the coldest water temperature in Japan, averaging around 54.6°F. This means the difference in water temperature between the warmest and coldest coastal cities is 29.9°F.
Destinations in Japan
The places with the warmest sea temperature