Swan River - Heirisson Island Wind ForecastAustraliaWAPerthSwan River - Heirisson Island1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Swan River - Heirisson Island wind forecast issued today at 8:13 am. Next forecast at approx. 8:13 pm. Swan River - Heirisson Island Wind Statistics View MoreOctober WindPerth Metro (5km)2024SeptemberOctoberStrongest 3 October, 202457.2km/h SSWAverage October9.4km/hStrongest 5 September, 202459.4km/h SSWAverage September9.1km/hStrongest 29 May, 202479.6km/h SSWAverage 20249km/hClimate (2010–Present)Perth Metro (5km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 25 February, 202079.6km/h NNEAverage 2019–20249.2km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average October22.5%12.5%2.5%CalmFreshOctober Wind RoseOctober (5 Year Average)5 Year Average Annual5 Year Average October22.5%12.5%2.5%CalmFreshGet WillyWeather+ to remove ads