An easterly, moderate and very variable flow prevails over the whole area.
For Penthièvre :
Warning strong breeze offshore.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable becoming very cloudy in the afternoon. No precipitation in the morning, showers late in the day. In the evening, good clear periods but cloud building.
Light showers. ENE force 4 turning ESE force 3 in the middle of the day then ENE force 2. Gusts reaching 24 knots in the morning. Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility becoming excellent in the evening.