Porth Twyn-mawr Wind ForecastUnited KingdomWLIsle of AngleseyPorth Twyn-mawr1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met Office Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Porth Twyn-mawr wind forecast issued today at 7:09 am. Next forecast at approx. 7:09 pm. Wind Speed Wind GustPorth Twyn-mawr Wind Statistics September WindValley (11km)2026AugustSeptemberStrongest 2 September, 202626.8mph SAverage September15.3mphStrongest 5 August, 202624.6mph WAverage August8.7mphStrongest 4 April, 202649.2mph SSWAverage 202612.1mphClimate (2021–2026)Valley (11km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202153.7mph SSWAverage 2021–202612.2mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September15%8.75%2.5%CalmNear GaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September22.5%12.5%2.5%CalmNear GaleGet WillyWeather+ to remove ads