Porthkerry Wind ForecastUnited KingdomWLVale of GlamorganPorthkerry1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Porthkerry wind forecast issued today at 6:11 pm. Next forecast at approx. 6:11 am.Porthkerry Wind Statistics December WindSt-athan (8km)2025NovemberDecemberStrongest 1 December, 202522.4mph WSWAverage December11.2mphStrongest 24 November, 202524.6mph WAverage November8.4mphStrongest 16 April, 202535.8mph WAverage 20257.8mphClimate (2011–Present)St-athan (8km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202447mph WAverage 2020–20257.7mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December27.5%15%2.5%CalmNear GaleDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December20%11.25%2.5%CalmNear GaleGet WillyWeather+ to remove ads