A northeasterly and weak flow prevails over the South of the basin. Over the North, it is westerly, moderate and mostly variable.
For Port-Donnant :
No gale warning.
The reliability of the situation is assessed at 95%.
Clear skies becoming somewhat cloudy. In the evening, relatively cloudless skies clearing.
W wind force 3 from the middle of the day. Gusts reaching 15 knots in the evening. Slight sea. Low, fairly long swell from W. Excellent visibility.