A westerly, moderate and variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is assessed at 80%.
For the night from Wednesday to Thursday NW force 3 in the early part of the night turning W. Gusts reaching 16 knots until the middle of the night.
Smooth to slight sea becoming slight at the end of the night. Low, short swell from W. Excellent visibility. Daytime of Thursday 20 august : The unstable weather will die away during the day.
Bright spells increasing during the morning, changeable skies becoming relatively cloud-free in the afternoon. Some light showers in the morning, possibility of a few spots in the afternoon. In the evening, light cloudy spells.
W wind force 4 continuing all day. Gusts reaching 23 knots in the middle of the day. Slight sea. Low, short swell from W. Excellent visibility.