A westerly, moderate and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is good.
For the night from Thursday to Friday NNW wind force 2 continuing all night. Gusts reaching 11 knots in the early part of the night.
Smooth to slight sea becoming smooth at the end of the night. Low, short swell from WSW. Excellent visibility becoming good in the middle of the night then good. Daytime of Friday 18 september : The weather will be good.
Sunny becoming changeable in the afternoon. No precipitation. In the evening, light cloudy spells.
NNW force 2 turning WSW force 3 in the middle of the day then W. Gusts reaching 18 knots in the middle of the day. Smooth sea becoming smooth to slight in the evening. Low, fairly long swell from W. Poor visibility becoming excellent in the middle of the day.