For Bostalsee : No gale warning.
The reliability of the situation is assessed at 95%.
Fog developing into low cloud during the morning, cloudy spells, sometimes dense, in the afternoon. No precipitation.
In the evening, cloudy spells, sometimes dense. No precipitation. NNE wind force 2 continuing all day. Gusts reaching 13 knots all day. Visibility reduced by mist becoming excellent in the middle of the day then poor.