A northerly and variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Wednesday to Thursday NNW force 3 in the early part of the night becoming N force 2. Gusts reaching 16 knots in the early part of the night.
Slight sea becoming smooth to slight in the middle of the night. Low, long swell from W then from N in the middle of the night. Excellent visibility becoming good in the middle of the night then good. Daytime of Thursday 20 august : The unsettled weather will become more unpredictable in the second half of the day.
Cloud and long sunny periods. Risk of some spots of rain in the morning, light showers in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. N force 2 turning NW force 3 in the middle of the day then NNW. Gusts reaching 18 knots in the evening. Smooth to slight sea. Low from N. Poor visibility becoming excellent in the middle of the day.