An easterly and strong flow prevails over the whole area.
Für Pornic :
Warning strong breeze offshore.
For the night from Monday to Tuesday ENE wind force 4 continuing all night. Gusts reaching 25 knots in the early part of the night.
Smooth sea becoming smooth to slight in the middle of the night. Low, long swell from WNW. Excellent visibility. Daytime of Tuesday 20 october : Instability will build during the day.
Cloud and long sunny periods. No precipitation in the morning, light showers in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. ENE wind force 4 continuing all day. Gusts reaching 24 knots in the morning. Smooth to slight sea. Low, fairly long swell from WNW. Excellent visibility.