A southerly, moderate and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is assessed at 90%.
For the night from Wednesday to Thursday WSW force 1 turning E in the middle of the night then becoming force 2. Gusts reaching 7 knots at the end of the night.
Smooth to slight sea. Low, fairly long swell from WSW. Poor visibility becoming reduced by mist in the middle of the night then reduced by mist. Daytime of Thursday 21 may : Improving during the day:the sky will clear.
Bright spells increasing during the morning, sunny in the afternoon. No precipitation. In the evening, skies gradually hazing over.
No precipitation. E force 2 turning SE in the middle of the day then SSE force 1. Gusts reaching 11 knots in the morning. Smooth to slight sea. Low, fairly long swell from WSW. Visibility reduced by mist becoming excellent in the middle of the day.