An easterly, moderate and mostly variable flow prevails over the whole area.
For Penthièvre :
Warning strong breeze offshore.
The reliability of the situation is assessed at 95%.
Fair weather with mostly clear skies. In the evening, light cloudy spells.
ENE wind force 4 continuing all day. Gusts reaching 21 knots in the middle of the day. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from WSW. Excellent visibility.