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 10:04 am. Next forecast at approx. 10:04 pm. Grantham Island Wind Statistics View MoreFebruary WindPort Lincoln Airport (19km)2025JanuaryFebruaryStrongest 1 February, 202529.5km/h ESEAverage February11.3km/hStrongest 15 January, 202555.4km/h SAverage January20.5km/hStrongest 15 January, 202555.4km/h SAverage 202520km/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 February10%6.25%2.5%CalmNear GaleFebruary Wind RoseFebruary (5 Year Average)5 Year Average Annual5 Year Average February17.5%10%2.5%CalmNear GaleGet WillyWeather+ to remove ads