A northeasterly and very variable flow prevails over the South of the basin. Over the North, it is westerly, moderate and particularly variable.
Für Pornic :
No gale warning.
For the night from Monday to Tuesday N force 3 in the early part of the night becoming NNE force 2. Gusts reaching 17 knots in the early part of the night.
Smooth sea becoming slight in the middle of the night then smooth to slight. Low, short swell from W then from N in the middle of the night. Excellent visibility becoming excellent at the end of the night. Daytime of Tuesday 22 september : The sky will remain changeable.
Cloud and long sunny periods. The risk of seeing rain will remain low. In the evening, cloud and long sunny periods.
Chance of light rain. N force 2 in the morning becoming NNW force 3 in the evening. Gusts reaching 17 knots in the morning. Smooth to slight sea. Low from N then fairly long from W in the evening. Good visibility becoming excellent in the middle of the day.