A northeasterly, strong and very variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and very variable.
For Penthièvre :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloudy spells, sometimes dense. No precipitation. In the evening, changeable skies becoming less cloudy.
No precipitation. W wind force 4 from the middle of the day. Gusts reaching 22 knots in the evening. Slight sea. Low, short swell from W. Excellent visibility.