Mariandyrys Wind ForecastUnited KingdomWLIsle of AngleseyMariandyrys1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met Office Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Mariandyrys wind forecast issued today at 6:11 pm. Next forecast at approx. 6:11 am.Mariandyrys Wind Statistics December WindCapel Curig Saws (26km)2025NovemberDecemberStrongest 1 December, 202542.5mph SWAverage December26.8mphStrongest 3 November, 202547mph SWAverage November14.8mphStrongest 24 January, 202553.7mph SWAverage 202511.7mphClimate (2011–Present)Capel Curig Saws (26km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 21 January, 202458.2mph SWAverage 2020–202512mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December27.5%15%2.5%CalmStormDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December35%18.75%2.5%CalmStormGet WillyWeather+ to remove ads