A northeasterly, moderate and very variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and very variable.
For Penthièvre :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies very cloudy to overcast in the morning, changeable skies becoming relatively cloud-free in the afternoon. Light showers all day. In the evening, skies with few clouds.
WSW force 4 in the morning becoming W force 5 in the evening. Gusts reaching 28 knots in the evening. Slight sea. Low, short swell from W. Visibility reduced by mist becoming excellent in the middle of the day.