A northeasterly, moderate and variable flow prevails over the whole area.
For Penthièvre :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
A few fair-weather cumulus clouds in the morning, sunny, progressively clouding over in the afternoon. No precipitation. In the evening, good clear periods but lots of cloud, too.
No precipitation. NNE force 3 in the morning temporarily NE force 4 in the middle of the day. Gusts reaching 23 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Excellent visibility.