A northeasterly and variable flow prevails over the South of the basin. Over the North, it is westerly, moderate and particularly variable.
Für Les Sables-d"Olonne : No gale warning.
For the night from Monday to Tuesday N wind force 3 continuing all night. Gusts reaching 18 knots in the middle of the night.
Slight sea. Low, fairly long swell from WNW. Excellent visibility. Daytime of Tuesday 22 september : The weather will become more uncertain during the day.
Sunny, changeable at times in the afternoon.The risk of seeing rain will remain low.In the evening, cloud and long sunny periods. Possibility of showers NNE force 3 becoming N force 2 in the middle of the day then NNW force 3. Gusts reaching 17 knots in the morning. Slight sea. Low, long swell from W. Excellent visibility.