A southwesterly, very strong and very variable flow prevails over the whole area.
For Les Moutiers en Retz :
Warning strong gale offshore.
The reliability of the situation is assessed at 70%.
Very cloudy. But clear spells will become more and more widespread. Risk of some spots of rain in the morning, light showers in the afternoon. In the evening, good clear periods but cloud building.
Light showers progressively becoming less frequent. W force 8 becoming WNW force 7 in the middle of the day then force 6. Gusts reaching 63 knots in the morning. Moderate sea temporarily rough in the middle of the day. Low, short swell from E then long from W in the middle of the day then, fairly long swell from N. Excellent visibility.