Saint Lucia Sea Temperatures

We track the current and average sea water temperatures for 5 locations in Saint Lucia. Search the list below to find the place you're looking for.

The place with the highest sea temperature in Saint Lucia today is 29.3° C (84.75° F) in Castries City. The lowest is in Sugar Beach, where the temperature of the water is 29.22° C (84.6° F).