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 10:34 pm. Next forecast at approx. 10:34 am. Marmion Wind Statistics View MoreDecember WindSwanbourne (12km)2025NovemberDecemberStrongest 14 December, 202561.2km/h ENEAverage December17.3km/hStrongest 11 November, 202555.4km/h ENEAverage November17.8km/hStrongest 3 August, 202594.3km/h WSWAverage 202515.2km/hClimate (2010–Present)Swanbourne (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 May, 2024100.1km/h WAverage 2020–202515.8km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December17.5%10%2.5%CalmStrongDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December20%11.25%2.5%CalmStrongGet WillyWeather+ to remove ads