A northeasterly and variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Tuesday to Wednesday NE wind force 4 continuing all night. Gusts reaching 25 knots in the middle of the night.
Smooth to slight sea becoming smooth in the middle of the night. Low, fairly long swell from W then from N in the middle of the night. Excellent visibility. Daytime of Wednesday 22 july : The weather will be good.
Fair weather with mostly clear skies. In the evening, light cloudy spells.
ENE force 4 in the morning becoming NE force 3 in the evening. Gusts reaching 25 knots in the morning. Smooth sea becoming smooth to slight in the evening. Low from N. Excellent visibility.