A southerly, moderate and very variable flow prevails over the whole area.
For Piriac-sur-Mer :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
SSE force 3 in the middle of the day turning E in the evening. Gusts reaching 13 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Excellent visibility becoming good in the evening.