South Island Wind ForecastAustraliaQLDMackaySouth Island1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time South Island wind forecast issued today at 2:34 am. Next forecast at approx. 2:34 pm. South Island Wind Statistics View MoreDecember WindMiddle Percy Island (12km)2024NovemberDecemberStrongest 1 December, 202431.3km/h NAverage December14.4km/hStrongest 21 November, 202466.6km/h ESEAverage November17.2km/hStrongest 13 March, 202485.3km/h SAverage 202419.4km/hClimate (2010–Present)Middle Percy Island (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 30 December, 2023114.8km/h SAverage 2019–202419.9km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December22.5%12.5%2.5%CalmStrong GaleDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December25%13.75%2.5%CalmStrong GaleGet WillyWeather+ to remove ads