A northeasterly and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Wednesday to Thursday N force 3 in the early part of the night becoming NNE force 2. Gusts reaching 15 knots in the early part of the night.
Smooth to slight sea. Low, short swell from WNW. Excellent visibility becoming good in the middle of the night then poor. Daytime of Thursday 17 september : The sky will remain changeable.
Good clear periods alternating with cloudy spells, rather dense in the morning. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. NNE force 2 in the morning turning NNW force 3 in the evening. Gusts reaching 13 knots in the evening. Smooth to slight sea. Low, fairly long swell from W. Poor visibility becoming excellent in the middle of the day.