A southwesterly, very strong and variable flow prevails over the whole area.
For Piriac-sur-Mer :
Warning strong breeze offshore.
We are 90% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
In the evening, cloudy spells, sometimes dense.
 Light showers. S wind force 5. Gusts reaching 27 knots in the evening. Slight sea. Low, fairly long swell from WSW. Excellent visibility.