A westerly and variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Wednesday to Thursday W force 3 in the early part of the night becoming WSW force 2. Gusts reaching 16 knots in the early part of the night.
Slight sea. Low, short swell from WSW. Excellent visibility becoming good in the middle of the night then good. Daytime of Thursday 27 august : The atmosphere will remain unstable.
Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. Light showers all day. In the evening, lots of good clear periods.
Light showers. WSW force 3 becoming force 4 in the middle of the day then W. Gusts reaching 17 knots in the evening. Slight sea. Low, short swell from W. Good visibility becoming excellent in the middle of the day then good.