Garth (Porthmadog) Wind ForecastUnited KingdomWLGwyneddGarth (Porthmadog)1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Garth (Porthmadog) wind forecast issued today at 12:16 pm. Next forecast at approx. 12:16 am.Garth (Porthmadog) Wind Statistics November WindCapel Curig Saws (23km)2024OctoberNovemberStrongest 17 November, 202426.8mph WSWAverage November4.7mphStrongest 20 October, 202451.4mph SWAverage October10.4mphStrongest 21 January, 202458.2mph SWAverage 202411.6mphClimate (2011–Present)Capel Curig Saws (23km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 8 February, 202058.2mph SWAverage 2019–202412.3mphWind 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