For Bostalsee : No gale warning.
The reliability of the situation is assessed at 90%.
Hazy cloud giving way to a brightening sky in the morning, sunny in the afternoon. No precipitation.
In the evening, relatively clear skies becoming changeable. NE force 2 turning ESE in the middle of the day then SW. Gusts reaching 10 knots until the middle of the day. Excellent visibility.