A northerly, weak and particularly 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 NW force 3 in the early part of the night becoming NNW force 2. Gusts reaching 16 knots in the early part of the night.
Smooth to slight sea. Low, short swell from W. Excellent visibility becoming excellent in the middle of the night then good. Daytime of Friday 21 august : The sky will remain changeable.
Skies changeable to very cloudy. No precipitation. In the evening, lots of good clear periods.
No precipitation. NNW force 2 turning W force 3 in the middle of the day then WNW. Gusts reaching 16 knots in the evening. Smooth to slight sea temporarily smooth in the middle of the day. Low, short swell from W. Poor visibility becoming excellent in the middle of the day.