Southern Harbour Wind ForecastAustraliaWAPerthSouthern Harbour1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Southern Harbour wind forecast issued today at 12:34 am. Next forecast at approx. 12:34 pm. Southern Harbour Wind Statistics View MoreJanuary WindGarden Island (12km)2026DecemberJanuaryStrongest 6 January, 202664.8km/h SSWAverage January29.7km/hStrongest 20 December, 202570.2km/h SAverage December28.7km/hStrongest 6 January, 202664.8km/h SSWAverage 202629.7km/hClimate (2010–Present)Garden Island (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 13 September, 2023113km/h NNWAverage 2021–202622.9km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average January15%8.75%2.5%CalmGaleJanuary Wind RoseJanuary (5 Year Average)5 Year Average Annual5 Year Average January27.5%15%2.5%CalmGaleGet WillyWeather+ to remove ads