A northerly and variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is assessed at 85%.
For the night from Thursday to Friday WNW force 3 in the early part of the night becoming NW force 2. Gusts reaching 17 knots in the early part of the night.
Smooth to slight sea. Low, short swell from SW. Excellent visibility becoming excellent at the end of the night. Daytime of Friday 21 august : The weather will be good.
Cloud and long sunny periods. No precipitation. In the evening, skies with few clouds.
NW force 2 freshening WSW force 4 in the middle of the day then becoming WNW. Gusts reaching 21 knots from the middle of the day. Smooth to slight sea. Low, short swell from W. Excellent visibility becoming excellent in the middle of the day.