A northeasterly, strong and variable flow prevails over the North of the basin. Over the South, it is southerly, 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.
Good clear periods but lots of cloud, too. Possibility of showers In the evening, fog developing into low cloud.
No precipitation. SE force 2 in the middle of the day turning E in the evening. Gusts reaching 11 knots in the middle of the day. Moderate sea. Moderate, fairly long swell from WSW. Visibility reduced by mist becoming reduced by mist in the evening.