For Greifensee-Hafen : No gale warning.
The reliability of the situation is very good.
Good clear periods alternating with cloudy spells, rather dense in the morning. No precipitation.
In the evening, good clear periods but cloud building. No precipitation. NNW force 1 becoming NW force 2 in the middle of the day then NE force 1. Gusts reaching 6 knots in the middle of the day. Poor visibility becoming excellent in the middle of the day then good.