Western Sister Wind ForecastAustraliaVICMornington PeninsulaWestern Sister1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Western Sister wind forecast issued today at 10:12 pm. Next forecast at approx. 10:12 am. Western Sister Wind Statistics View MoreSeptember WindSouth Channel Island (36km)2025AugustSeptemberStrongest 7 September, 202594.3km/h NAverage September30.3km/hStrongest 30 August, 2025103.7km/h SSWAverage August25.9km/hStrongest 30 August, 2025103.7km/h SSWAverage 202526.9km/hClimate (2010–Present)South Channel Island (36km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 October, 2021135.4km/h WSWAverage 2020–202527.5km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September15%8.75%2.5%CalmStrong GaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmStrong GaleGet WillyWeather+ to remove ads