Penrhyn Cwmistir Wind ForecastUnited KingdomWLGwyneddPenrhyn Cwmistir1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met Office Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Penrhyn Cwmistir wind forecast issued today at 1:13 pm. Next forecast at approx. 1:13 am.Penrhyn Cwmistir Wind Statistics August WindAberdaron (17km)2025JulyAugustStrongest 4 August, 202542.5mph SWAverage August13mphStrongest 15 July, 202547mph SWAverage July10.3mphStrongest 24 January, 202564.9mph SWAverage 202513.1mphClimate (2011–Present)Aberdaron (17km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202164.9mph SSWAverage 2020–202514.8mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average August12.5%7.5%2.5%CalmGaleAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August20%11.25%2.5%CalmGaleGet WillyWeather+ to remove ads