A southwesterly, weak and particularly variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Wednesday to Thursday NNW force 2 in the early part of the night becoming N force 3. Gusts reaching 14 knots in the middle of the night.
Smooth to slight sea. Low, short swell from W. Excellent visibility becoming good at the end of the night. Daytime of Thursday 13 august : The weather will be good.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
NNE force 3 turning NW in the middle of the day then NNW force 4. Gusts reaching 19 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from W. Good visibility becoming excellent in the middle of the day.