Kwinana Grain Jetty Wind ForecastAustraliaWAPerthKwinana Grain Jetty1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Kwinana Grain Jetty wind forecast issued today at 8:14 am. Next forecast at approx. 8:14 pm. Kwinana Grain Jetty Wind Statistics View MoreDecember WindGarden Island (6km)2025NovemberDecemberStrongest 2 December, 202555.4km/h SAverage December25.3km/hStrongest 15 November, 202564.8km/h SAverage November27.3km/hStrongest 24 July, 2025105.5km/h SAverage 202522.8km/hClimate (2010–Present)Garden Island (6km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 13 September, 2023113km/h NNWAverage 2020–202522.9km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December15%8.75%2.5%CalmNear GaleDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December27.5%15%2.5%CalmNear GaleGet WillyWeather+ to remove ads