An easterly and variable flow prevails over the South of the basin. Over the North, it is southwesterly, weak and very variable.
For Penthièvre :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies or light cloud. Sun hazing over from time to time. No precipitation. In the evening, hazy cloud giving way to increasingly brighter skies.
No precipitation. NE force 3 turning ESE in the middle of the day then SE force 2. Gusts reaching 15 knots in the morning. Slight sea becoming smooth to slight in the middle of the day. Low, short swell from WSW. Good visibility becoming excellent in the middle of the day.