WRF27, Switzerland – WISCH Hallwilersee, Meisterschwanden-Tennwil, Windsurfclub: ———————————————- Day 1 (Tue 4.5.2021): 14.2 knots (Average wind speed during daylight)
Day 2 (Wed 5.5.2021): 8.8 knots (Average wind speed during daylight)
www.windguru.cz/538682
———————————————-