For Lock 21 : No gale warning.
The reliability of the situation is very good.
Very cloudy skies to overcast. Snowfalls all day.
In the evening, very cloudy. Risk of snow showers. ESE force 2 in the morning turning SW force 3 in the middle of the day. Gusts reaching 25 knots in the middle of the day. Visibility reduced by mist becoming poor in the middle of the day then good.