A northerly and variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is fairly good.
For the night from Thursday to Friday WNW force 3 in the early part of the night becoming force 2. Gusts reaching 16 knots in the early part of the night.
Smooth to slight sea becoming slight at the end of the night. Low, short swell from W. Excellent visibility becoming good in the middle of the night then poor. Daytime of Friday 21 august : Improving during the day:the sky will clear.
Cloud and sun in the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
WNW force 2 in the morning freshening force 4 in the middle of the day. Gusts reaching 20 knots in the middle of the day. Slight sea temporarily smooth to slight in the middle of the day. Low, fairly long swell from W. Visibility reduced by mist becoming excellent in the middle of the day then good.