For Les dunes :
No gale warning.
We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Good clear periods but cloud building. Possibility of showers In the evening, very cloudy.
Showers. NE wind force 4 from the middle of the day. Gusts reaching 19 knots in the evening. Slight sea. Low, short swell from NNE. Excellent visibility.