A northerly, strong and mostly variable flow prevails over the North of the basin. Over the South, it is easterly, strong and mostly variable.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is assessed at 90%.
For the night from Wednesday to Thursday NE force 3 in the early part of the night becoming force 2. Gusts reaching 11 knots in the early part of the night.
Smooth sea becoming smooth to slight at the end of the night. Low, fairly long swell from WSW. Good visibility becoming poor in the middle of the night then poor. Daytime of Thursday 1 january : Warning:reduced visibility early in the day.
Sunny spells with possibility of mist forming in the morning, cloudy spells, sometimes dense, in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. NE force 2 in the morning turning SE force 1 in the evening. Gusts reaching 9 knots in the morning. Smooth to slight sea becoming smooth in the middle of the day. Low, fairly long swell from SW. Visibility reduced by mist becoming excellent in the middle of the day then good.