A northeasterly flow prevails over the South of the basin. Over the North, it is westerly, strong and variable.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Monday to Tuesday NNE force 2 in the early part of the night becoming force 1. Gusts reaching 11 knots in the early part of the night.
Smooth to slight sea. Low, short swell from W. Visibility reduced by mist becoming poor in the middle of the night. Daytime of Tuesday 6 january : The weather will become more uncertain during the day.
Cloud and long sunny periods. Risk of black ice in the morning, possibility of a few spots in the afternoon. In the evening, cloud and long sunny periods.
Possibility of showers N force 1 in the morning turning W force 2 in the middle of the day. Gusts reaching 14 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from WNW. Poor visibility becoming good in the middle of the day then poor.