A northerly and very variable flow prevails over the South-West of the basin. Over the East, it is easterly, moderate and very variable. Over the North-West, it is southerly, moderate and variable.
For Penthièvre :
No gale warning.
The reliability of the situation is assessed at 90%.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
ENE force 3 turning SE in the middle of the day then S force 2. Gusts reaching 13 knots in the middle of the day. Smooth to slight sea becoming smooth in the evening. Low, short swell from WSW. Excellent visibility.