A northeasterly, moderate and variable flow prevails over the South of the basin. Over the North, it is westerly, moderate and variable.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Monday to Tuesday NNW wind force 2 continuing all night. Gusts reaching 16 knots in the early part of the night.
Smooth to slight sea becoming smooth in the middle of the night. Low, short swell from W. Excellent visibility becoming good at the end of the night. Daytime of Tuesday 18 august : The weather will be good.
Changeable skies becoming fairly cloud-free in the morning, sunny in the afternoon. Risk of some spots of rain in the morning, no precipitation in the afternoon. In the evening, skies with few clouds.
NNW force 2 freshening W force 4 in the middle of the day then becoming WNW. Gusts reaching 17 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from W. Good visibility becoming excellent in the middle of the day then good.