A southwesterly, moderate and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is assessed at 90%.
For the night from Saturday to Sunday W force 2 in the early part of the night turning NW. Gusts reaching 7 knots in the early part of the night.
Smooth sea becoming smooth to slight at the end of the night. Low, fairly long swell from W. Good visibility becoming good in the middle of the night then poor. Daytime of Sunday 20 september : Warning:reduced visibility early in the day.
Sunny spells with possibility of mist forming in the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
NNW force 2 turning W force 3 in the middle of the day then WNW. Gusts reaching 13 knots from the middle of the day. Smooth to slight sea. Low, short swell from W. Visibility reduced by mist becoming excellent in the middle of the day then poor.