A southeasterly and mostly variable flow prevails over the North-East of the basin. Over the South and the West, it is northwesterly, moderate and mostly variable.
For Piriac-sur-Mer :
Warning moderate gale offshore.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Skies changeable to very cloudy. Risk of showers in the morning, no precipitation in the afternoon. In the evening, overcast skies with risk of thundery outbreaks.
Showers towards the end of the night. NW force 3 turning WSW force 4 in the middle of the day then SSW force 5. Gusts reaching 25 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from W. Good visibility becoming excellent in the middle of the day.