For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Sunday to Monday WSW force 2 in the early part of the night becoming force 1. Gusts reaching 15 knots in the early part of the night.
Smooth sea. Low, fairly long swell from WSW. Excellent visibility becoming good in the middle of the night then poor. Daytime of Monday 31 august : The atmosphere will remain unstable.
Skies changeable to very cloudy. Showers all day. In the evening, clear periods developing.
Light showers. WSW force 2 becoming force 3 in the middle of the day then W. Gusts reaching 18 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, fairly long swell from WSW then from N in the middle of the day. Poor visibility becoming excellent in the middle of the day.