Marmion Wind ForecastAustraliaWAPerthMarmion1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Marmion wind forecast issued today at 1:25 pm. Next forecast at approx. 1:25 am. Marmion Wind Statistics View MoreJuly WindSwanbourne (12km)2020JuneJulyStrongest 4 July, 202040.7km/h NEAverage July15.1km/hStrongest 17 June, 202088.9km/h NWAverage June16.6km/hStrongest 6 May, 202094.3km/h WAverage 202015.9km/hClimate (2010–Present)Swanbourne (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 4 October, 201998.3km/h NWAverage 2010–Present15.8km/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 July15%8.75%2.5%CalmGaleGet an account to remove ads