Black Rock Sands Porthmadog Wind ForecastUnited KingdomWLGwyneddBlack Rock Sands Porthmadog1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met Office Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Black Rock Sands Porthmadog wind forecast issued today at 12:11 pm. Next forecast at approx. 12:11 am.Black Rock Sands Porthmadog Wind Statistics January WindCapel Curig Saws (26km)2026DecemberJanuaryStrongest 7 January, 202629.1mph WAverage January11.2mphStrongest 9 December, 202555.9mph SWAverage December17.4mphStrongest 7 January, 202629.1mph WAverage 202611.2mphClimate (2011–Present)Capel Curig Saws (26km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 21 January, 202458.2mph SWAverage 2021–202612.1mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average January27.5%15%2.5%CalmStormJanuary Wind RoseJanuary (5 Year Average)5 Year Average Annual5 Year Average January30%16.25%2.5%CalmStormGet WillyWeather+ to remove ads