A southwesterly, moderate and very variable flow prevails over the whole area.
For Pornic :
No gale warning.
For the night from Saturday to Sunday WNW force 2 becoming W force 1 in the middle of the night then SW. Gusts reaching 11 knots from the middle of the night.
Slight sea. Low, fairly long swell from W. Excellent visibility becoming excellent in the middle of the night. Daytime of Sunday 25 october : The unsettled weather will become more unpredictable in the second half of the day.
Skies changeable to very cloudy. Risk of showers in the morning, light showers in the afternoon. In the evening, very cloudy.
Light showers. SSW force 3 becoming force 4 in the middle of the day then SW. Gusts reaching 21 knots in the evening. Slight sea. Low, long swell from W. Excellent visibility becoming excellent in the middle of the day.