Grassy Island Wind ForecastAustraliaTASNorth WesternGrassy Island1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Grassy Island wind forecast issued today at 8:33 am. Next forecast at approx. 8:33 pm. Wind Speed Wind Gust Grassy Island Wind Statistics View MoreSeptember WindKing Island Airport (26km)2026AugustSeptemberStrongest 3 September, 2026127.8km/h WAverage September30.4km/hStrongest 22 August, 202672.4km/h WNWAverage August22.1km/hStrongest 3 September, 2026127.8km/h WAverage 202622km/hClimate (2021–2026)King Island Airport (26km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 1 September, 2024157.3km/h WNWAverage 2021–202622.7km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September15%8.75%2.5%CalmStrong GaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmStrong GaleGet WillyWeather+ to remove ads