Flat Holm Island Wind ForecastUnited KingdomWLVale of GlamorganFlat Holm Island1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Flat Holm Island wind forecast issued today at 1:11 pm. Next forecast at approx. 1:11 am. Wind Speed Wind GustFlat Holm Island Wind Statistics July WindSt-athan (22km)2026JuneJulyStrongest 13 July, 202624.6mph NEAverage July9.3mphStrongest 6 June, 202626.8mph WAverage June9.1mphStrongest 24 March, 202631.3mph WSWAverage 20268.9mphClimate (2021–2026)St-athan (22km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202447mph WAverage 2021–20267.9mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July27.5%15%2.5%CalmStrongJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July42.5%22.5%2.5%CalmStrongGet WillyWeather+ to remove ads