For Bostalsee : No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable, very clear for a time. Risk of black ice in the morning.
In the evening, relatively clear skies becoming changeable. NE force 2 in the morning temporarily E force 3 in the middle of the day. Gusts reaching 17 knots in the middle of the day. Visibility reduced by mist becoming excellent in the middle of the day then poor.