A northwesterly, weak and particularly variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Thursday to Friday NNW wind force 2 continuing all night. Gusts reaching 15 knots in the early part of the night.
Smooth to slight sea. Low, fairly long swell from W. Excellent visibility becoming good in the middle of the night then good. Daytime of Friday 31 july : The sky will remain changeable.
Cloud and long sunny periods. Risk of some spots of rain in the morning, no precipitation in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. NW force 2 freshening W force 4 in the middle of the day then WNW force 3. Smooth to slight sea temporarily smooth in the middle of the day. Low, short swell from W. Good visibility becoming excellent in the middle of the day.