A northerly, weak and variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, moderate and particularly variable.
For Saint-Brevin-Les-Pins :
Warning strong breeze offshore.
The reliability of the situation is poor.
For the night from Tuesday to Wednesday NW wind force 3 continuing all night. Gusts reaching 18 knots in the early part of the night.
Slight sea. Low, short swell from W. Excellent visibility becoming good in the middle of the night then poor. Daytime of Wednesday 16 september : Warning:reduced visibility early in the day.
Sunny spells with possibility of mist forming in the morning, predominantly sunny in the afternoon. Risk of some spots of rain in the morning, light showers in the afternoon. In the evening, cloud and long sunny periods.
Light showers progressively becoming less frequent. NW force 3 in the morning turning N in the evening. Gusts reaching 16 knots in the evening. Slight sea. Low, short swell from W. Visibility reduced by mist becoming excellent in the middle of the day.