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 1:09 pm. Next forecast at approx. 1:09 am. Wind Speed Wind GustBlack Rock Sands Porthmadog Wind Statistics October WindCapel Curig Saws (26 km)2026SeptemberOctoberStrongest 2 October, 202640.3 mph SWAverage October13.4 mphStrongest 27 September, 202647 mph SWAverage September14.8 mphStrongest 12 January, 202651.4 mph SWAverage 202612.3 mphClimate (2021–2026)Capel Curig Saws (26 km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 21 January, 202458.2 mph SWAverage 2021–202612.4 mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average October27.5%15%2.5%CalmStrong GaleOctober Wind RoseOctober (5 Year Average)5 Year Average Annual5 Year Average October25%13.75%2.5%CalmStrong GaleGet WillyWeather+ to remove ads