An easterly, moderate and mostly variable flow prevails over the whole area.
For Penthièvre :
No gale warning.
The reliability of the situation is assessed at 95%.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
E force 4 becoming ESE force 3 in the middle of the day then E. Gusts reaching 17 knots in the middle of the day. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from WSW. Excellent visibility.