A southwesterly, strong and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
For the night from Tuesday to Wednesday SSE force 3 becoming S force 4 in the middle of the night then SW force 3. Gusts reaching 23 knots in the middle of the night.
Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility. Daytime of Wednesday 30 september : The unstable weather will die away during the day.
Very cloudy. But clear spells will become more and more widespread. Some light showers in the morning, no precipitation in the afternoon. In the evening, cloud and long sunny periods.
Chance of light rain. SW force 3 becoming SSW force 4 in the middle of the day then SW. Gusts reaching 22 knots in the morning. Slight sea. Low, fairly long swell from WSW. Good visibility becoming excellent in the middle of the day.