A northeasterly, weak and very variable flow prevails over the North of the basin. Over the South, it is westerly, weak and particularly variable.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is fairly good.
For the night from Wednesday to Thursday W force 2 turning NW in the middle of the night then becoming force 1. Gusts reaching 11 knots in the early part of the night.
Smooth to slight sea becoming smooth in the middle of the night. Low, short swell from W. Good visibility becoming good in the middle of the night then poor. Daytime of Thursday 16 july : The weather will become more uncertain during the day.
Skies changeable with thundery outbreaks possible during the afternoon. No precipitation in the morning, showers late in the day. In the evening, very cloudy with risk of storms.
Light showers progressively becoming less frequent. NW force 2 in the morning becoming WNW force 3 in the middle of the day. Gusts reaching 18 knots in the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from W. Poor visibility becoming excellent in the middle of the day then good.