An easterly and very variable flow prevails over the North and the East of the basin. Over the South-West, it is southerly, moderate and very variable.
For Penthièvre :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sun and storm clouds in the morning,cloud and sun in the afternoon. Possibility of showers late in the morning, possibility of showers in the afternoon. In the evening, changeable skies becoming less cloudy.
Possibility of showers N force 2 turning W force 3 in the middle of the day then NNE. Gusts reaching 20 knots in the middle of the day. Smooth to slight sea. Low, short swell from WSW. Excellent visibility.