For Chapelle sur erdre :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Changeable skies becoming fairly cloud-free in the morning, sunny in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
Chance of light rain. NE force 2 turning E force 3 in the middle of the day then NE. Gusts reaching 16 knots in the middle of the day. Smooth sea. Low, fairly long swell from W. Visibility reduced by mist becoming excellent in the middle of the day.