A northerly, very strong and variable flow prevails over the South-East of the basin. Over the West and the North, it is southwesterly, strong and mostly variable.
For Cassy - Port de Lanton :
No gale warning.
The reliability of the situation is assessed at 95%.
Cloud and long sunny periods. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. NNW force 2 in the middle of the day turning E in the evening. Gusts reaching 8 knots in the middle of the day. Smooth sea. Low, fairly long swell from WNW. Excellent visibility becoming good in the evening.