When wind is too weak, the launching site of Baldern is usually a good alternative.
Rules
Site is below TMA of Zurich, Maximal altitude without clearance 1350 Meters asl. which is usually enough for soaring.
Please follow instructions from the maintainers (PARAnoia Zurich) which looks after this sensitive site.
WEATHER
Observe the strenght of the wind. Getting blown over the back is not an option.