Sully Wind ForecastUnited KingdomWLVale of GlamorganSully1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Sully wind forecast issued today at 6:10 am. Next forecast at approx. 6:10 pm.Sully Wind Statistics March WindSt-athan (15km)2026FebruaryMarchStrongest 11 March, 202620.1mph WAverage March6.5mphStrongest 20 February, 202629.1mph WSWAverage February10mphStrongest 30 January, 202629.1mph WSWAverage 20268.7mphClimate (2011–Present)St-athan (15km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202447mph WAverage 2021–20267.7mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average March27.5%15%2.5%CalmNear GaleMarch Wind RoseMarch (5 Year Average)5 Year Average Annual5 Year Average March35%18.75%2.5%CalmNear GaleGet WillyWeather+ to remove ads