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 2:36 pm. Next forecast at approx. 2:36 am. South Island Wind Statistics View MoreMarch WindOnslow Airport (31km)2026FebruaryMarchStrongest 1 March, 202683.2km/h ENEAverage March19.9km/hStrongest 8 February, 2026120.2km/h EAverage February23.7km/hStrongest 8 February, 2026120.2km/h EAverage 202623km/hClimate (2010–Present)Onslow Airport (31km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 8 February, 2026120.2km/h EAverage 2021–202619.7km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average March12.5%7.5%2.5%CalmGaleMarch Wind RoseMarch (5 Year Average)5 Year Average Annual5 Year Average March15%8.75%2.5%CalmGaleGet WillyWeather+ to remove ads