A northwesterly, moderate and variable flow prevails over the whole area.
For Penthièvre :
No gale warning.
The reliability of the situation is assessed at 70%.
Cloudy spells, dense at times in the morning, sunny despite some high cloud in the afternoon. Light showers progressively dying out in the morning, no precipitation in the afternoon. In the evening, fair weather with mostly clear skies.
W force 4 in the morning becoming force 5 in the evening. Gusts reaching 27 knots in the evening. Slight sea. Low, short swell from WSW. Excellent visibility.