A southwesterly, strong and very variable flow prevails over the whole area.
For Penthièvre :
No gale warning.
We are 85% sure of the situation, because the clear patches could be more numerous than forecast.
In the evening, overcast and misty, reduced visibility.
No precipitation. SW wind force 4. Gusts reaching 19 knots in the evening. Moderate sea. Moderate, long swell from W. Visibility reduced by mist.