Marmion Wind ForecastAustraliaWAPerthMarmion1-Day3-Day5-Day Graph Plots Open in GraphsWind Forecast Bureau of MeteorologySwell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Marmion wind forecast issued today at 5:11 am. Next forecast at approx. 5:23 am. Marmion Wind Statistics View MoreJuly WindSWANBOURNE (12km)2019JuneJulyStrongest 5 July, 201953.6km/h SSWAverage July10.7km/hStrongest 10 June, 201985.3km/h WNWAverage June16.2km/hStrongest 19 April, 201985.3km/h WSWAverage 201914.8km/hClimate (2010–Present)SWANBOURNE (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 21 May, 201696.1km/h WSWAverage 2010–Present15.7km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July15%8.75%2.5%CalmGaleJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July17.5%10%2.5%CalmGaleGet an account to remove ads