A northerly and variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, strong and very variable.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is good.
For the night from Wednesday to Thursday NNE force 2 becoming N force 1 in the middle of the night then SSW. Gusts reaching 11 knots in the early part of the night.
Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility becoming good at the end of the night. Daytime of Thursday 17 september : The sky will remain changeable.
Skies changeable becoming cloudier in late morning. Risk of some spots of rain in the morning, possibility of showers in the afternoon. In the evening, very cloudy.
Light showers progressively becoming less frequent. SSW force 3 turning WSW force 4 in the middle of the day then WNW. Gusts reaching 21 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Good visibility becoming excellent in the middle of the day then good.