French Guiana Sea Temperatures

We track the current and average sea water temperatures for 4 locations in French Guiana. Search the list below to find the place you're looking for.

The place with the highest sea temperature in French Guiana today is 28.46° C (83.22° F) in Cayenne. The lowest is in Mana, where the temperature of the water is 28.26° C (82.86° F).