A northerly, moderate and mostly variable flow prevails over the West of the basin. Over the East, it is westerly, moderate and mostly variable.
For Porsay :
No gale warning.
The reliability of the situation is very good.
Warm sun all day. In the evening, skies with few clouds.
S force 2 turning NNE in the middle of the day then E force 1. Gusts reaching 7 knots until the middle of the day. Smooth sea becoming rippled in the evening. Low, short swell from NE. Excellent visibility becoming good in the evening.