A northeasterly and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, moderate and very variable.
For Penthièvre :
No gale warning.
The reliability of the situation is assessed at 90%.
Clear skies but feeling misty. In the evening, clear skies.
E force 2 turning SSW in the middle of the day then WNW. Gusts reaching 10 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from WSW. Visibility reduced by mist becoming excellent in the middle of the day.