A westerly, moderate and variable flow prevails over the whole area.
For Grande plage de Sion : No gale warning.
The reliability of the situation is assessed at 75%.
Lots of good clear periods.No precipitation.In the evening, cloud and long sunny periods. No precipitation. W wind force 4 from the middle of the day. Gusts reaching 19 knots. Slight sea. Low, short swell from WSW. Excellent visibility.
semaphore stations
Station L Ile D Yeu located 27 km from Grande plage de Sion