An easterly and very variable flow prevails over the North-West and the South-East of the basin. Over the South-West and the North-East, it is northwesterly, moderate and variable.
For Penthièvre :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, hazy cloud giving way to increasingly brighter skies.
No precipitation. S force 2 turning SW force 3 in the middle of the day then W. Gusts reaching 15 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, fairly long swell from WSW. Excellent visibility.