For Brienzersee-Schulhaus : No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Some fair-weather cumulus clouds. Chance of light rain.
In the evening, light cloudy spells. W force 1 in the middle of the day turning NE in the evening. Gusts reaching 18 knots in the middle of the day. Excellent visibility.