For Grambkersee : No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies or light cloud. Sun hazing over from time to time. No precipitation.
In the evening, skies with few clouds. SE force 1 turning WSW in the middle of the day then N force 2. Gusts reaching 10 knots in the evening. Excellent visibility becoming excellent in the middle of the day.