A westerly, moderate and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Thursday to Friday WNW force 3 in the early part of the night becoming NW force 2. Gusts reaching 15 knots in the early part of the night.
Slight sea. Low, short swell from W. Visibility reduced by mist temporarily in the middle of the night. Daytime of Friday 18 september : The sky will remain changeable.
Skies changeable to very cloudy. No precipitation. In the evening, lots of good clear periods.
No precipitation. WNW force 2 in the morning becoming W force 3 in the middle of the day. Gusts reaching 13 knots from the middle of the day. Slight sea temporarily smooth to slight in the middle of the day. Low, short swell from W. Visibility reduced by mist becoming excellent in the middle of the day then good.