Postans Wind ForecastAustraliaWAPerthPostans1-Day3-Day5-Day Graph Plots Open in GraphsWind Forecast Bureau of MeteorologyWind Real-Time Postans wind forecast issued today at 4:11 pm. Next forecast at approx. 4:11 am. Postans Wind Statistics View MoreApril WindGARDEN ISLAND HSF (11km)2019MarchAprilStrongest 19 April, 201990.7km/h SWAverage April21.6km/hStrongest 19 March, 201964.8km/h SAverage March21.4km/hStrongest 19 April, 201990.7km/h SWAverage 201923.5km/hClimate (2010–Present)GARDEN ISLAND HSF (11km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 25 February, 2018129.6km/h WSWAverage 2010–Present22.2km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average April17.5%10%2.5%CalmNear GaleApril Wind RoseApril (5 Year Average)5 Year Average Annual5 Year Average April20%11.25%2.5%CalmNear GaleGet an account to remove ads