For Brienzersee-Schneckeninsel : No gale warning.
We are 80% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Cloudy spells, sometimes dense. Possibility of showers
In the evening, good clear periods but lots of cloud, too. Heavy showers. WSW wind force 2 from the middle of the day. Gusts reaching 22 knots in the evening. Excellent visibility becoming good in the evening.