A westerly and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Tuesday to Wednesday NNW force 3 in the early part of the night becoming force 2. Gusts reaching 15 knots in the early part of the night.
Smooth to slight sea. Low, short swell from W. Good visibility becoming good in the middle of the night then poor. Daytime of Wednesday 16 september : The weather will be good.
Fair weather with mostly clear skies. In the evening, light cloudy spells.
N force 2 turning NW force 3 in the middle of the day then NNW. Gusts reaching 15 knots in the evening. Smooth to slight sea. Low, short swell from W. Poor visibility becoming excellent in the middle of the day.