A northeasterly and mostly variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly and moderate.
For Saint-Brevin-Les-Pins :
Warning strong breeze offshore.
The reliability of the situation is poor.
For the night from Monday to Tuesday N wind force 4 continuing all night. Gusts reaching 21 knots until the middle of the night.
Smooth to slight sea. Low, short swell from W. Excellent visibility. Daytime of Tuesday 23 september : The sky will remain changeable.
Skies changeable to very cloudy. No precipitation. In the evening, cloudy spells, sometimes dense.
No precipitation. NNE force 4 in the morning becoming force 3 in the evening. Gusts reaching 21 knots in the morning. Smooth to slight sea. Low, short swell from W. Excellent visibility.