A westerly, moderate and variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Wednesday to Thursday NNW force 2 in the early part of the night turning WNW force 1. Gusts reaching 10 knots in the early part of the night.
Slight sea becoming smooth to slight at the end of the night. Low, short swell from W. Excellent visibility becoming good in the middle of the night then poor. Daytime of Thursday 17 september : The sky will remain changeable.
Sun but cloud increasing in the morning, very cloudy skies becoming totally covered in the afternoon. No precipitation. In the evening, very cloudy.
Drizzle followed by showers. WSW force 3 becoming force 4 in the middle of the day then W. Gusts reaching 22 knots from the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from W. Visibility reduced by mist becoming excellent in the middle of the day then excellent.