Cape Northumberland Wind ForecastAustraliaSALimestone CoastCape Northumberland1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Cape Northumberland wind forecast issued today at 12:04 am. Next forecast at approx. 12:04 pm. Cape Northumberland Wind Statistics View MoreSeptember WindMount Gambier Airport (36km)2025AugustSeptemberStrongest 7 September, 202576km/h NNWAverage September19.2km/hStrongest 29 August, 2025101.9km/h SWAverage August16.1km/hStrongest 29 August, 2025101.9km/h SWAverage 202516.2km/hClimate (2010–Present)Mount Gambier Airport (36km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 1 September, 2024103.7km/h NWAverage 2020–202516.5km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmNear GaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmNear GaleGet WillyWeather+ to remove ads