A northerly, weak and variable flow prevails over the South and the West of the basin. Over the North-East, it is westerly, weak and very variable.
For Porsay :
No gale warning.
The reliability of the situation is good.
Clear skies or light cloud. Sun hazing over from time to time. No precipitation. In the evening, clear skies.
S force 2 turning N in the middle of the day then E. Gusts reaching 10 knots in the middle of the day. Rippled sea becoming smooth in the middle of the day then smooth to slight. Low, short swell from NE then from NW in the middle of the day then from NW. Good visibility becoming excellent in the middle of the day.