A westerly, moderate and very variable flow prevails over the whole area.
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 Thursday to Friday WNW force 2 becoming force 1 in the middle of the night then E.
Slight sea becoming smooth to slight in the middle of the night. Low, long swell from WSW. Good visibility becoming good in the middle of the night then poor. Daytime of Friday 17 april : Improving during the day:the sky will clear.
Very cloudy in the morning, changeable skies becoming relatively cloud-free in the afternoon. No precipitation. In the evening, relatively clear skies becoming changeable.
E force 2 turning W force 3 in the middle of the day then WNW. Gusts reaching 15 knots in the evening. Smooth to slight sea temporarily slight in the middle of the day. Low, fairly long swell from WSW. Poor visibility becoming excellent in the middle of the day then good.