For Mouillage de Saint-Cast 2 :
Warning strong breeze.
We are 80% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.
Very cloudy skies to overcast. Light showers. In the evening, very cloudy.
Possibility of showers W force 6 in the middle of the day turning NNW in the evening. Gusts reaching 36 knots in the middle of the day. Moderate sea. Low, fairly long swell from SSE. Excellent visibility.