Brother and Sister Wind ForecastAustraliaTASSouthernBrother and Sister1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Brother and Sister wind forecast issued today at 4:34 am. Next forecast at approx. 4:34 pm. Brother and Sister Wind Statistics View MoreDecember WindTasman Island (26km)2025NovemberDecemberStrongest 15 December, 2025100.1km/h WAverage December17.7km/hStrongest 13 November, 202594.3km/h WNWAverage November16.8km/hStrongest 22 July, 2025126km/h NWAverage 202520.4km/hClimate (2010–Present)Tasman Island (26km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 11 June, 2022150.1km/h SSWAverage 2020–202520.8km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December20%11.25%2.5%CalmStormDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December17.5%10%2.5%CalmStormGet WillyWeather+ to remove ads