Joass Island Wind ForecastAustraliaNSWHunterJoass Island1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Joass Island wind forecast issued today at 9:34 am. Next forecast at approx. 9:34 pm. Joass Island Wind Statistics View MoreJuly WindWilliamtown RAAF Base (17km)2025JuneJulyStrongest – Average July23.8km/hStrongest 25 June, 202579.6km/h NWAverage June13.6km/hStrongest 15 January, 2025120.2km/h WNWAverage 202512.6km/hClimate (2010–Present)Williamtown RAAF Base (17km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 15 January, 2025120.2km/h WNWAverage 2020–202515km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July17.5%10%2.5%CalmNear GaleJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July32.5%17.5%2.5%CalmNear GaleGet WillyWeather+ to remove ads