A southwesterly, moderate and very variable flow prevails over the whole area.
For Pornic :
No gale warning.
For the night from Sunday to Monday SW wind force 3 continuing all night. Gusts reaching 22 knots in the early part of the night.
Smooth to slight sea. Low, fairly long swell from W. Excellent visibility. Daytime of Monday 26 october : The atmosphere will remain unstable.
Very cloudy. But clear spells will become more and more widespread. Showers all day. In the evening, clear periods developing.
Light showers. WSW wind force 3 continuing all day. Gusts reaching 20 knots in the morning. Smooth to slight sea. Low, fairly long swell from W. Excellent visibility becoming good in the evening.