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 3:34 pm. Next forecast at approx. 3:34 am. South Island Wind Statistics View MoreMarch WindMiddle Percy Island (12km)2025FebruaryMarchStrongest 12 March, 202564.8km/h SEAverage March19km/hStrongest 21 February, 202576km/h SEAverage February24.1km/hStrongest 4 January, 202576km/h SEAverage 202520.9km/hClimate (2010–Present)Middle Percy Island (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 30 December, 2023114.8km/h SAverage 2020–202519.9km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average March22.5%12.5%2.5%CalmGaleMarch Wind RoseMarch (5 Year Average)5 Year Average Annual5 Year Average March25%13.75%2.5%CalmGaleGet WillyWeather+ to remove ads