Grassy Harbour Wind ForecastAustraliaTASNorth WesternGrassy Harbour1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Grassy Harbour wind forecast issued today at 4:33 am. Next forecast at approx. 4:33 pm. Grassy Harbour Wind Statistics View MoreDecember WindKing Island Airport (25km)2024NovemberDecemberStrongest 1 December, 202472.4km/h NWAverage December26.4km/hStrongest 17 November, 202485.3km/h NWAverage November22.5km/hStrongest 1 September, 2024157.3km/h WNWAverage 202422.7km/hClimate (2010–Present)King Island Airport (25km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 1 September, 2024157.3km/h WNWAverage 2019–202422.8km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December12.5%7.5%2.5%CalmNear GaleDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December17.5%10%2.5%CalmNear GaleGet WillyWeather+ to remove ads