For Tres Grottes :
No gale warning.
The reliability of the situation is very good.
Cloudy spells, sometimes dense. No precipitation. In the evening, good clear periods but lots of cloud, too.
No precipitation. NE wind force 3 from the middle of the day. Gusts reaching 13 knots in the evening. Moderate sea. Moderate, short swell from N then low in the evening. Excellent visibility.