Porth Llawenan Wind ForecastUnited KingdomWLGwyneddPorth Llawenan1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met Office Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Porth Llawenan wind forecast issued today at 1:09 pm. Next forecast at approx. 1:09 am. Wind Speed Wind GustPorth Llawenan Wind Statistics September WindAberdaron (6km)2026AugustSeptemberStrongest – Average September–Strongest 4 August, 202622.4mph SWAverage August9.8mphStrongest 4 April, 202655.9mph SWAverage 202614.3mphClimate (2021–2026)Aberdaron (6km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202164.9mph SSWAverage 2021–202615mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September12.5%7.5%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