A northerly 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 W force 3 in the early part of the night becoming WNW force 2. Gusts reaching 18 knots in the early part of the night.
Slight sea. Low, short swell from W. Excellent visibility becoming good in the middle of the night then poor. Daytime of Friday 21 august : The sky will remain changeable.
Skies changeable to very cloudy. Possibility of showers late in the morning, possibility of showers in the afternoon. In the evening, relatively clear skies becoming changeable.
WNW force 2 freshening WSW force 4 in the middle of the day then becoming W. Gusts reaching 18 knots in the evening. Slight sea. Low, short swell from W. Poor visibility becoming excellent in the middle of the day then good.