For Sihlsee-Strandbad : No gale warning.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. Risk of some spots of rain in the morning, possibility of showers in late afternoon.
In the evening, skies clearing but continuing risk of storms. Possibility of showers SE force 2 turning NNW in the middle of the day then SE force 3. Gusts reaching 16 knots in the evening. Excellent visibility.