Heol-ddu Wind ForecastUnited KingdomWLCarmarthenshireHeol-ddu1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Heol-ddu wind forecast issued today at 1:13 pm. Next forecast at approx. 1:13 am.Heol-ddu Wind Statistics September WindPembrey Sands Samos (20km)2025AugustSeptemberStrongest 11 September, 202535.8mph WAverage September15.8mphStrongest 30 August, 202538mph SWAverage August10.5mphStrongest 27 January, 202555.9mph SWAverage 202510.6mphClimate (2011–Present)Pembrey Sands Samos (20km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202264.9mph WNWAverage 2020–202511.7mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmStrong GaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmStrong GaleGet WillyWeather+ to remove ads