WRF27, Switzerland – WISCH Hallwilersee, Meisterschwanden-Tennwil, Windsurfclub: ———————————————- Day 0 (Sat 4.12.2021): 15.8 knots (Average wind speed during daylight)
Day 1 (Sun 5.12.2021): 10.1 knots (Average wind speed during daylight)
www.windguru.cz/538682
———————————————-