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 10:34 pm. Next forecast at approx. 10:34 am. South Island Wind Statistics View MoreJune WindMiddle Percy Island (12km)2025MayJuneStrongest 20 June, 202564.8km/h SSEAverage June20.5km/hStrongest 9 May, 202583.2km/h SSEAverage May22.7km/hStrongest 9 May, 202583.2km/h SSEAverage 202520.8km/hClimate (2010–Present)Middle Percy Island (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 30 December, 2023114.8km/h SAverage 2020–202520km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average June20%11.25%2.5%CalmStrongJune Wind RoseJune (5 Year Average)5 Year Average Annual5 Year Average June20%11.25%2.5%CalmStrongGet WillyWeather+ to remove ads