A southwesterly and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is fairly good.
For the night from Thursday to Friday NNE force 1 in the early part of the night turning E force 2. Gusts reaching 9 knots in the middle of the night.
Smooth sea becoming smooth to slight at the end of the night. Low, fairly long swell from WSW. Excellent visibility. Daytime of Friday 25 september : The weather will be good.
Fair weather with mostly clear skies. In the evening, relatively clear skies becoming changeable.
E force 2 turning SW force 3 in the middle of the day then W. Gusts reaching 15 knots from the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from W. Excellent visibility becoming poor in the evening.