A westerly, strong and mostly variable flow prevails over the whole area.
For Porsay :
Warning strong breeze offshore.
The reliability of the situation is very good.
Skies with few clouds. In the evening, cloud and long sunny periods.
No precipitation. NW force 4 in the middle of the day turning SW force 3 in the evening. Gusts reaching 20 knots in the middle of the day. Slight sea becoming moderate in the evening. Low, short swell from NNW. Excellent visibility.