A southeasterly, strong and very variable flow prevails over the North-East of the basin. Over the South and the West, it is northwesterly, very strong and very variable.
For Saint-Brevin-Les-Pins :
Warning fresh gale offshore.
The reliability of the situation is assessed at 85%.
For the night from Tuesday to Wednesday SW force 4 becoming force 5 in the middle of the night then WSW. Gusts reaching 31 knots in the middle of the night.
Slight sea becoming smooth to slight at the end of the night. Low, fairly long swell from S. Excellent visibility. Daytime of Wednesday 18 february : An unsettled day with the atmosphere becoming highly unstable.
Overcast skies. Some light rain in the morning, heavy showers in the afternoon. In the evening, very cloudy skies becoming totally overcast.
Showers. SW force 5 in the morning temporarily SSW force 6 in the middle of the day. Gusts reaching 43 knots in the middle of the day. Slight sea. Low, fairly long swell from W. Excellent visibility.