A southerly, strong and mostly variable flow prevails over the North and the East of the basin. Over the South-West, it is westerly, very strong and variable.
For Penthièvre :
No gale warning.
The reliability of the situation is assessed at 85%.
In the evening, cloud and long sunny periods.
Showers. SE wind force 4. Gusts reaching 22 knots in the evening. Rough sea. Moderate, long swell from WSW. Excellent visibility.