A westerly, moderate and mostly variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
Warning strong breeze offshore.
For the night from Thursday to Friday WSW force 3 in the early part of the night becoming force 4. Gusts reaching 23 knots at the end of the night.
Moderate sea. Low, fairly long swell from WSW. Excellent visibility. Daytime of Friday 28 august : The atmosphere will remain unstable.
Good clear periods alternating with cloudy spells, rather dense in the morning. Showers all day. In the evening, cloud and long sunny periods.
Light showers. WSW force 4 becoming force 5 in the middle of the day then W. Gusts reaching 23 knots in the morning. Moderate sea becoming slight in the evening. Low, fairly long swell from WSW. Excellent visibility.