For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Tuesday to Wednesday WNW force 2 in the early part of the night becoming NW force 1. Gusts reaching 13 knots until the middle of the night.
Smooth to slight sea. Low from N. Excellent visibility becoming good in the middle of the night then good. Daytime of Wednesday 23 september : The sky will remain changeable.
Cloud and long sunny periods. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
Chance of light rain. N force 1 in the morning temporarily ENE in the middle of the day. Gusts reaching 12 knots. Smooth sea. Low from N then fairly long from W in the evening. Good visibility becoming excellent in the middle of the day.