Tonga Sea Temperatures

We track the current and average sea water temperatures for 6 locations in Tonga. Search the list below to find the place you're looking for.

The place with the highest sea temperature in Tonga today is 28.01° C (82.42° F) in Neiafu. The lowest is in Tongatapu, where the temperature of the water is 26.26° C (79.27° F).