For Bostalsee : No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloud and long sunny periods. No precipitation.
In the evening, skies gradually hazing over. No precipitation. NNW force 2 in the morning turning NNE in the evening. Gusts reaching 13 knots in the middle of the day. Excellent visibility.