A southwesterly, very strong and variable flow prevails over the whole area.
For Penthièvre :
No gale warning.
The reliability of the situation is assessed at 95%.
Very cloudy in the morning, overcast skies in the afternoon. No precipitation. In the evening, very cloudy skies to overcast.
No precipitation. SE force 3 in the morning becoming SSE force 4 in the middle of the day. Gusts reaching 22 knots in the evening. Slight sea. Low, fairly long swell from WSW. Poor visibility becoming excellent in the middle of the day.