For Alpnachersee-Grenzstein : No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Thick, high cloud cover. No precipitation.
In the evening, changeable skies becoming less cloudy. No precipitation. ENE force 2 in the middle of the day turning SSW in the evening. Gusts reaching 12 knots in the middle of the day. Excellent visibility.