A northeasterly and particularly variable flow prevails over the North of the basin. Over the South, it is northwesterly, weak and very variable.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Thursday to Friday W wind force 3 continuing all night. Gusts reaching 17 knots in the early part of the night.
Slight sea becoming smooth to slight in the middle of the night. Low, short swell from WSW. Excellent visibility becoming good in the middle of the night then poor. Daytime of Friday 17 july : The atmosphere will remain unstable.
Good clear periods alternating with cloudy spells, sometimes dense. Light showers all day. In the evening, cloudy spells, sometimes dense.
Light showers. W force 3 in the morning becoming force 4 in the middle of the day. Gusts reaching 16 knots. Smooth to slight sea becoming slight in the evening. Low, short swell from W. Poor visibility becoming excellent in the middle of the day then good.