High 1021 hPa centered on Switzerland remaining almost stationary.
For Plage de l"école de voile :
No gale warning.
We are 80% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Clear periods developing. No precipitation. In the evening, very cloudy with risk of storms.
Showers with the possibility of hail. N wind force 4 from the middle of the day. Gusts reaching 18 knots in the evening. Smooth to slight sea. Low, short swell from NW. Good visibility becoming poor in the evening.