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 2:38 am. Next forecast at approx. 2:38 pm. Joass Island Wind Statistics View MoreSeptember WindWilliamtown RAAF Base (17km)2021AugustSeptemberStrongest 21 September, 202170.2km/h SAverage September16.9km/hStrongest 4 August, 202177.8km/h NWAverage August14.6km/hStrongest 16 July, 2021107.3km/h WNWAverage 202115.1km/hClimate (2010–Present)Williamtown RAAF Base (17km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 16 July, 2021107.3km/h WNWAverage 2010–Present15.4km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmGaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmGaleGet an account to remove ads