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 N force 2 becoming NNW force 1 in the middle of the night then WNW. Gusts reaching 11 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 weather will become more uncertain during the day.
Skies changeable becoming cloudier in late morning. No precipitation in the morning, possibility of showers in late afternoon. In the evening, very cloudy.
Risk of showers in the early hours. W force 3 in the morning becoming force 4 in the middle of the day. Gusts reaching 18 knots from the middle of the day. Slight sea. Low, fairly long swell from W. Poor visibility becoming excellent in the middle of the day then good.