An easterly, weak and particularly variable flow prevails over the South-East of the basin. Over the West and the North, it is southerly, strong and very variable.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Monday to Tuesday E force 2 turning SE force 3 in the middle of the night then SSE force 4. Gusts reaching 21 knots at the end of the night.
Smooth to slight sea becoming slight at the end of the night. Low, short swell from W. Visibility reduced by mist becoming good in the middle of the night then excellent. Daytime of Tuesday 29 september : Improving during the day:the sky will clear.
Skies changeable to very cloudy. Risk of some spots of rain in the morning, no precipitation in the afternoon. In the evening, good clear periods but lots of cloud, too.
Risk of showers in the early hours. SSE force 4 in the morning turning SSW force 3 in the evening. Gusts reaching 26 knots in the middle of the day. Slight sea. Low, fairly long swell from W. Excellent visibility becoming poor in the evening.