Swan River - Pier 21 Marina Wind ForecastAustraliaWAPerthSwan River - Pier 21 Marina1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Swan River - Pier 21 Marina wind forecast issued today at 1:34 pm. Next forecast at approx. 1:34 am. Wind Speed Wind Gust Swan River - Pier 21 Marina Wind Statistics View MoreJuly WindSwanbourne (8km)2026JuneJulyStrongest 18 July, 202661.2km/h WNWAverage July11.5km/hStrongest 26 June, 202679.6km/h NWAverage June15.1km/hStrongest 31 May, 2026101.9km/h WNWAverage 202614.8km/hClimate (2021–2026)Swanbourne (8km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 31 May, 2026101.9km/h WNWAverage 2021–202615.7km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July17.5%10%2.5%CalmGaleJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July15%8.75%2.5%CalmGaleGet WillyWeather+ to remove ads