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 12:33 am. Next forecast at approx. 12:33 pm. Wind Speed Wind Gust Western Sister Wind Statistics View MoreSeptember WindSouth Channel Island (36km)2026AugustSeptemberStrongest 5 September, 2026101.9km/h WNWAverage September32.5km/hStrongest 19 August, 202674.2km/h NAverage August24.9km/hStrongest 27 March, 2026109.1km/h SAverage 202626.9km/hClimate (2021–2026)South Channel Island (36km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 October, 2021135.4km/h WSWAverage 2021–202627.4km/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