A northeasterly, very strong and very variable flow prevails over the whole area.
For Piriac-sur-Mer :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Overcast with reduced visibility in the morning, overcast skies in the afternoon. Some showers in the morning, light rain followed by showers in the afternoon. In the evening, good clear periods but lots of cloud, too.
Possibility of showers S force 3 in the morning turning NNW force 4 in the middle of the day. Gusts reaching 21 knots in the evening. Moderate sea becoming slight in the evening. Moderate, fairly long swell from SW then low in the evening. Visibility reduced by mist becoming poor in the middle of the day then excellent.