Postans Wind ForecastAustraliaWAPerthPostans1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Postans wind forecast issued today at 9:12 am. Next forecast at approx. 9:12 pm. Postans Wind Statistics View MoreJuly WindGarden Island (12km)2020JuneJulyStrongest 6 July, 202061.2km/h NWAverage July20.1km/hStrongest 28 June, 2020107.3km/h WNWAverage June20.3km/hStrongest 28 June, 2020107.3km/h WNWAverage 202021.6km/hClimate (2010–Present)Garden Island (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 25 February, 2018129.6km/h WSWAverage 2010–Present22.1km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July17.5%10%2.5%CalmGaleJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July12.5%7.5%2.5%CalmGaleGet an account to remove ads