A northeasterly and variable flow prevails over the South of the basin. Over the North, it is westerly, strong and very variable.
For Le-Mont-Saint-Michel :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fog developing into low cloud during the morning, cloud and sun in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. NNE force 3 in the morning temporarily NNW force 4 in the middle of the day. Gusts reaching 18 knots in the evening. Smooth sea. Low, short swell from N. Visibility reduced by mist becoming excellent in the middle of the day then poor.