Alcoa Jetty Wind ForecastAustraliaWAPerthAlcoa Jetty1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Alcoa Jetty wind forecast issued today at 6:34 am. Next forecast at approx. 6:34 pm. Alcoa Jetty Wind Statistics View MoreSeptember WindGarden Island (10km)2025AugustSeptemberStrongest 14 September, 202592.5km/h WNWAverage September24km/hStrongest 3 August, 2025103.7km/h WSWAverage August21.1km/hStrongest 24 July, 2025105.5km/h SAverage 202522.6km/hClimate (2010–Present)Garden Island (10km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 13 September, 2023113km/h NNWAverage 2020–202522.8km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September15%8.75%2.5%CalmGaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September12.5%7.5%2.5%CalmGaleGet WillyWeather+ to remove ads