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 28.8° C (83.84° F) in Tongatapu. The lowest is in Ohonua, where the temperature of the water is 28.35° C (83.03° F).