A southwesterly and very variable flow prevails over the North-East of the basin. Over the South and the West, it is northwesterly, moderate and variable.
For Penthièvre :
No gale warning.
The reliability of the situation is assessed at 90%.
Clear skies. In the evening, light cloudy spells.
W force 4 in the middle of the day becoming WNW force 5 in the evening. Gusts reaching 26 knots in the evening. Slight sea. Low, fairly long swell from W. Excellent visibility.