Postans Wind ForecastAustraliaWAPerthPostans1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Postans wind forecast issued today at 3:14 am. Next forecast at approx. 3:14 pm. Postans Wind Statistics View MoreMarch WindGarden Island (12km)2026FebruaryMarchStrongest 10 March, 202670.2km/h SAverage March23.5km/hStrongest 21 February, 202670.2km/h SAverage February28.7km/hStrongest 21 February, 202670.2km/h SAverage 202627km/hClimate (2010–Present)Garden Island (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 13 September, 2023113km/h NNWAverage 2021–202623.1km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average March15%8.75%2.5%CalmNear GaleMarch Wind RoseMarch (5 Year Average)5 Year Average Annual5 Year Average March17.5%10%2.5%CalmNear GaleGet WillyWeather+ to remove ads