A northeasterly, weak and variable flow prevails over the whole area.
For Grève de Saint Marc :
No gale warning.
We are 65% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny spells with possibility of mist forming in the morning, very cloudy with possibility of thunder storms in the afternoon. Possibility of showers late in the morning, possibility of showers in the afternoon. In the evening, good clear periods but lots of cloud, too.
Possibility of showers NE force 3 in the morning turning NNW force 2 in the evening. Gusts reaching 15 knots in the evening. Smooth to slight sea becoming smooth in the evening. Low, short swell from NNE. Visibility reduced by mist becoming good in the middle of the day then good.