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 8:33 pm. Next forecast at approx. 8:33 am. South Island Wind Statistics View MoreApril WindOnslow Airport (31km)2025MarchAprilStrongest 21 April, 202564.8km/h NNEAverage April18.3km/hStrongest 3 March, 202590.7km/h SAverage March18.2km/hStrongest 20 January, 2025100.1km/h NEAverage 202520km/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 April12.5%7.5%2.5%CalmNear GaleApril Wind RoseApril (5 Year Average)5 Year Average Annual5 Year Average April12.5%7.5%2.5%CalmNear GaleGet WillyWeather+ to remove ads