For Bostalsee : No gale warning.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Skies changeable to very cloudy. Risk of some spots of rain in the morning, possibility of showers in the afternoon.
In the evening, cloud and long sunny periods. Chance of light rain. W force 3 in the morning turning NW in the evening. Gusts reaching 22 knots from the middle of the day. Excellent visibility.