A westerly and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Wednesday to Thursday N force 3 in the early part of the night becoming force 2. Gusts reaching 14 knots in the early part of the night.
Slight sea becoming smooth to slight in the middle of the night. Low, short swell from W. Good visibility becoming good in the middle of the night then good. Daytime of Thursday 20 august : The sky will remain changeable.
Bright spells increasing during the morning, cloud and sun in the afternoon. No precipitation. In the evening, lots of good clear periods.
No precipitation. NNW force 2 turning WNW force 3 in the middle of the day then NW. Gusts reaching 18 knots in the evening. Smooth to slight sea. Low, short swell from W. Good visibility becoming excellent in the middle of the day.