Southport Island Wind ForecastAustraliaTASSouthernSouthport Island1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Southport Island wind forecast issued today at 12:12 pm. Next forecast at approx. 12:12 am. Southport Island Wind Statistics View MoreSeptember WindCape Bruny (10km)2025AugustSeptemberStrongest 8 September, 2025100.1km/h WNWAverage September30.1km/hStrongest 6 August, 202590.7km/h WAverage August21.7km/hStrongest 8 May, 2025111.2km/h WAverage 202522.4km/hClimate (2010–Present)Cape Bruny (10km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 31 July, 2023139km/h WAverage 2020–202523.1km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmStormSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmStormGet WillyWeather+ to remove ads