Llyn Cwellyn Wind ForecastUnited KingdomWLGwyneddLlyn Cwellyn1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Llyn Cwellyn wind forecast issued today at 12:11 am. Next forecast at approx. 12:11 pm. Wind Speed Wind GustLlyn Cwellyn Wind Statistics November WindCapel Curig Saws (14 km)2026OctoberNovemberStrongest 4 November, 202622.4 mph NEAverage November6.9 mphStrongest 13 October, 202653.7 mph SWAverage October14.9 mphStrongest 13 October, 202653.7 mph SWAverage 202612.4 mphClimate (2021–2026)Capel Curig Saws (14 km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 21 January, 202458.2 mph SWAverage 2021–202612.3 mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average November27.5%15%2.5%CalmStormNovember Wind RoseNovember (5 Year Average)5 Year Average Annual5 Year Average November22.5%12.5%2.5%CalmStormGet WillyWeather+ to remove ads