canIswim

Sea temperature and swimming season in Martinique

When the sea is warm enough to swim in 4 coastal cities in Martinique.

CityWarmestColdestSwimming season
Fort-de-France 29.8°C Sep 27.1°C Mar all year
Le Robert 29.8°C Sep 27.1°C Mar all year
Le Lorrain 29.8°C Sep 27.1°C Mar all year
Le Marin 29.8°C Sep 27.1°C Mar all year

Season uses 19°C. Why that number, and where the data comes from