For Urnersee, bei Altdorf : No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy. Showers.
In the evening, very cloudy. Light showers progressively becoming less frequent. NW wind force 2 from the middle of the day. Gusts reaching 20 knots in the middle of the day. Excellent visibility becoming excellent in the evening.