A northwesterly, moderate and variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, strong and very variable.
For Surtainville :
No gale warning.
The reliability of the situation is assessed at 80%.
Clear skies becoming somewhat cloudy. In the evening, very cloudy skies becoming totally overcast.
No precipitation. NNW force 4 in the middle of the day turning WNW in the evening. Gusts reaching 22 knots in the middle of the day. Slight sea. Low, short swell from WNW. Excellent visibility.