Porth Tywyn Mawr Wind ForecastUnited KingdomWLIsle of AngleseyPorth Tywyn Mawr1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met Office Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Porth Tywyn Mawr wind forecast issued today at 1:08 pm. Next forecast at approx. 1:08 am. Wind Speed Wind GustPorth Tywyn Mawr Wind Statistics September WindValley (9km)2026AugustSeptemberStrongest 10 September, 202633.6mph SSWAverage September14.7mphStrongest 5 August, 202624.6mph WAverage August8.7mphStrongest 4 April, 202649.2mph SSWAverage 202612.2mphClimate (2021–2026)Valley (9km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202153.7mph SSWAverage 2021–202612.3mphWind 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