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 SW force 3 in the early part of the night becoming force 2. Gusts reaching 18 knots until the middle of the night.
Moderate sea becoming slight in the middle of the night. Low, fairly long swell from W. Excellent visibility becoming excellent in the middle of the night then good. Daytime of Wednesday 30 september : The atmosphere will remain unstable.
Very cloudy skies with short clear spells. Light showers all day. In the evening, very cloudy.
Light showers. SW wind force 3 continuing all day. Gusts reaching 16 knots in the middle of the day. Slight sea becoming moderate in the middle of the day. Low, fairly long swell from WSW. Good visibility becoming excellent in the middle of the day then good.