For Brienzersee-Schneckeninsel : No gale warning.
The reliability of the situation is very good.
Bright spells increasing during the morning, sunny becoming changeable in the afternoon. Risk of black ice in the morning.
In the evening, good clear periods but cloud building. Warning: icy conditions likely. SE force 1 in the morning temporarily ENE in the middle of the day. Gusts reaching 6 knots in the middle of the day. Excellent visibility.