Cape Sir William Grant Wind ForecastAustraliaVICWestern DistrictCape Sir William Grant1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Cape Sir William Grant wind forecast issued today at 5:33 am. Next forecast at approx. 5:33 pm. Cape Sir William Grant Wind Statistics View MoreOctober WindCape Nelson Lighthouse (7km)2025SeptemberOctoberStrongest 2 October, 202596.1km/h WAverage October26.3km/hStrongest 7 September, 202588.9km/h NNEAverage September26.9km/hStrongest 29 August, 2025116.6km/h SSWAverage 202521.9km/hClimate (2010–Present)Cape Nelson Lighthouse (7km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 August, 2025116.6km/h SSWAverage 2020–202521.4km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average October15%8.75%2.5%CalmGaleOctober Wind RoseOctober (5 Year Average)5 Year Average Annual5 Year Average October17.5%10%2.5%CalmGaleGet WillyWeather+ to remove ads