A northeasterly and very variable flow prevails over the South of the basin. Over the North, it is southwesterly, moderate and very variable.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Monday to Tuesday NNW wind force 3 continuing all night. Gusts reaching 12 knots in the early part of the night.
Slight sea. Low, short swell from W. Poor visibility becoming reduced by mist in the middle of the night then reduced by mist. Daytime of Tuesday 31 march : Warning:reduced visibility early in the day.
Fog developing into low cloud during the morning, very cloudy in the afternoon. No precipitation. In the evening, clear periods developing.
No precipitation. NW wind force 3 continuing all day. Gusts reaching 18 knots in the evening. Slight sea. Low, fairly long swell from WNW. Visibility reduced by fog becoming excellent in the middle of the day then good.