A northeasterly and weak flow prevails over the South of the basin. Over the North, it is westerly, moderate and mostly variable.
For Penthièvre :
No gale warning.
The reliability of the situation is assessed at 95%.
Skies with few clouds. In the evening, skies with few clouds.
W wind force 4 from the middle of the day. Gusts reaching 18 knots in the evening. Slight sea. Low, short swell from WSW. Excellent visibility.