South Island Wind ForecastAustraliaWAPilbaraSouth Island1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time South Island wind forecast issued today at 9:34 pm. Next forecast at approx. 9:34 am. South Island Wind Statistics View MoreJune WindOnslow Airport (31km)2026MayJuneStrongest 1 June, 202648.2km/h SSEAverage June13.2km/hStrongest 8 May, 202659.4km/h EAverage May17km/hStrongest 27 March, 2026150.1km/h NEAverage 202620.5km/hClimate (2010–Present)Onslow Airport (31km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 27 March, 2026150.1km/h NEAverage 2021–202619.8km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average June12.5%7.5%2.5%CalmStrongJune Wind RoseJune (5 Year Average)5 Year Average Annual5 Year Average June17.5%10%2.5%CalmStrongGet WillyWeather+ to remove ads