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 4:33 am. Next forecast at approx. 4:33 pm. Western Sister Wind Statistics View MoreSeptember WindSouth Channel Island (36km)2025AugustSeptemberStrongest – Average September31.3km/hStrongest 30 August, 2025103.7km/h SSWAverage August25.9km/hStrongest 30 August, 2025103.7km/h SSWAverage 202526.7km/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 September20%11.25%2.5%CalmStrong GaleGet WillyWeather+ to remove ads