A southwesterly and very variable flow prevails over the whole area.
For Penthièvre :
No gale warning.
The reliability of the situation is assessed at 85%.
Overcast in the morning, cloud largely disappearing in the afternoon. Some light rain in the morning, no precipitation in the afternoon. In the evening, skies with few clouds.
NE force 1 in the morning freshening W force 3 in the middle of the day. Gusts reaching 13 knots in the evening. Slight sea. Low, fairly long swell from WSW. Poor visibility becoming excellent in the middle of the day then poor.