A northeasterly and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, weak and particularly variable.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is fairly good.
For the night from Friday to Saturday NE force 2 in the early part of the night temporarily force 3. Gusts reaching 12 knots at the end of the night.
Smooth sea. Low, fairly long swell from W. Excellent visibility becoming good in the middle of the night then reduced by mist. Daytime of Saturday 21 march : Warning:reduced visibility early in the day.
Sunny spells with possibility of mist forming in the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
NE wind force 3 continuing all day. Gusts reaching 17 knots in the middle of the day. Smooth sea becoming smooth to slight in the evening. Low, fairly long swell from W. Visibility reduced by mist becoming excellent in the middle of the day.