A westerly, strong and very variable flow prevails over the whole area.
For Marans :
Warning strong breeze offshore.
We are 70% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Clear periods developing. Risk of showers in the early hours. In the evening, cloudy spells, sometimes dense.
Chance of light rain. W force 5 in the middle of the day becoming force 4 in the evening. Gusts reaching 33 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Excellent visibility.