A southwesterly, moderate and very variable flow prevails over the whole area.
For Penthièvre :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, cloudy spells, sometimes dense.
Chance of light rain. W wind force 3. Gusts reaching 16 knots in the evening. Slight sea. Low, fairly long swell from W. Poor visibility.