Seaforth Wind ForecastAustraliaNSWSydneySeaforth1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Seaforth wind forecast issued today at 7:37 pm. Next forecast at approx. 7:37 am. Seaforth Wind Statistics View MoreJanuary WindSydney Harbour (Fort Denison) (8km)2025DecemberJanuaryStrongest 7 January, 202557.2km/h SAverage January15.9km/hStrongest 1 December, 202476km/h SEAverage December14.8km/hStrongest 7 January, 202557.2km/h SAverage 202515.9km/hClimate (2010–Present)Sydney Harbour (Fort Denison) (8km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 25 September, 2020105.5km/h WSWAverage 2020–202515.4km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average January22.5%12.5%2.5%CalmStrongJanuary Wind RoseJanuary (5 Year Average)5 Year Average Annual5 Year Average January17.5%10%2.5%CalmStrongGet WillyWeather+ to remove ads