A northeasterly and very variable flow prevails over the South of the basin. Over the North, it is southerly, moderate and very variable.
For Saint-Brevin-Les-Pins :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
For the night from Friday to Saturday NNE force 2 becoming NE force 1 in the middle of the night then E force 2. Gusts reaching 7 knots at the end of the night.
Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility becoming good in the middle of the night then excellent. Daytime of Saturday 23 may : The weather will be good.
Clear skies or light cloud. Sun hazing over from time to time. No precipitation. In the evening, clear skies.
ENE force 2 becoming force 3 in the middle of the day then NE. Gusts reaching 13 knots in the evening. Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility becoming excellent in the middle of the day.