An easterly and very variable flow prevails over the North of the basin. Over the South-West, it is southerly, moderate and very variable. Over the South-East, it is northwesterly, weak and very variable.
For Penthièvre :
No gale warning.
We are 60% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable with risk of thundery outbreaks developing. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, changeable skies with risk of storms.
Possibility of showers NE force 2 turning WSW force 3 in the middle of the day then N. Gusts reaching 19 knots in the evening. Smooth to slight sea. Low, short swell from WSW. Good visibility becoming excellent in the middle of the day.