Grantham Island Wind ForecastAustraliaSAEyre PeninsulaGrantham Island1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Grantham Island wind forecast issued today at 11:05 pm. Next forecast at approx. 11:05 am. Grantham Island Wind Statistics View MoreJune WindPort Lincoln Airport (19km)2025MayJuneStrongest 7 June, 202587.1km/h WSWAverage June18.7km/hStrongest 26 May, 202583.2km/h WAverage May17km/hStrongest 7 June, 202587.1km/h WSWAverage 202519.1km/hClimate (2010–Present)Port Lincoln Airport (19km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 July, 2023101.9km/h NWAverage 2020–202518.4km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average June10%6.25%2.5%CalmGaleJune Wind RoseJune (5 Year Average)5 Year Average Annual5 Year Average June17.5%10%2.5%CalmGaleGet WillyWeather+ to remove ads