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 yesterday at 10:34 pm. Next forecast at approx. 10:34 am. South Island Wind Statistics View MoreMarch WindOnslow Airport (31km)2025FebruaryMarchStrongest 3 March, 202590.7km/h SAverage March18km/hStrongest 2 February, 202588.9km/h SSEAverage February21.7km/hStrongest 20 January, 2025100.1km/h NEAverage 202520.4km/hClimate (2010–Present)Onslow Airport (31km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 20 January, 2025100.1km/h NEAverage 2020–202519.7km/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