A northerly, moderate and very variable flow prevails over the South-West and the North-East of the basin. Over the North-West and the South-East, it is southerly, strong and very variable.
For Cassy - Port de Lanton :
No gale warning.
The reliability of the situation is assessed at 90%.
Overcast in the morning, very cloudy in the afternoon. No precipitation. In the evening, good clear periods but lots of cloud, too.
No precipitation. E force 3 in the morning turning W force 2 in the evening. Gusts reaching 17 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from WNW. Excellent visibility becoming reduced by mist in the evening.