Costa Rica Sea Temperatures

We track the current and average sea water temperatures for 53 locations in Costa Rica. Search the list below to find the place you're looking for.

The place with the highest sea temperature in Costa Rica today is 28.88° C (83.98° F) in Tortuguero. The lowest is in Cocos Island, where the temperature of the water is 27.27° C (81.08° F).