High 1023 hPa centered on Switzerland remaining almost stationary.
For Collignon :
No gale warning.
We are 90% sure of the situation, because the cloud cover could move in later than forecast.
Skies changeable to very cloudy. No precipitation. In the evening, skies with few clouds.
WNW force 2 becoming NW force 3 in the middle of the day then WNW. Gusts reaching 17 knots in the middle of the day. Smooth sea. Low, fairly long swell from NW. Visibility reduced by mist becoming excellent in the middle of the day then excellent.