A westerly, strong and very variable flow prevails over the whole area.
For Penthièvre :
Warning strong breeze offshore.
The reliability of the situation is assessed at 90%.
Sunny spells with possibility of mist forming in the morning, very cloudy in the afternoon. No precipitation. In the evening, very cloudy.
No precipitation. WNW force 2 freshening WSW force 4 in the middle of the day then force 5. Gusts reaching 30 knots in the evening. Slight sea becoming moderate in the evening. Low, fairly long swell from W. Visibility reduced by mist becoming excellent in the middle of the day.