A northeasterly and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, moderate and variable.
For Penthièvre :
No gale warning.
The reliability of the situation is assessed at 80%.
For the night from Tuesday to Wednesday NW force 4 in the early part of the night becoming force 3. Gusts reaching 19 knots in the early part of the night.
Slight sea. Low, fairly long swell from WSW. Excellent visibility. Daytime of Wednesday 9 september : The largely blue sky won.t last.
Sunny, changeable at times in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. NW force 3 in the morning becoming WNW force 4 in the middle of the day. Gusts reaching 20 knots in the middle of the day. Slight sea. Low, fairly long swell from W. Excellent visibility.