A southeasterly, weak and particularly variable flow prevails over the North-West of the basin. Over the South and the East, it is southwesterly, moderate and particularly variable.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Thursday to Friday W force 3 in the early part of the night becoming force 2. Gusts reaching 17 knots in the early part of the night.
Moderate sea. Low, fairly long swell from W. Poor visibility. Daytime of Friday 20 november : The atmosphere will remain unstable.
Good clear periods alternating with cloudy spells, rather dense in the morning. Light showers all day. In the evening, good clear periods but cloud building.
Light showers. WSW force 2 in the morning temporarily force 3 in the middle of the day. Gusts reaching 16 knots until the middle of the day. Moderate sea. Low, fairly long swell from W. Poor visibility temporarily in the middle of the day.