For Thunersee, Oberhofen : No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, very cloudy skies becoming totally overcast. No precipitation. ENE force 1 turning NW in the middle of the day then NNE. Gusts reaching 6 knots in the middle of the day. Excellent visibility becoming excellent in the middle of the day.