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.Black Rock Sands Porthmadog Wind Statistics June WindCapel Curig Saws (26km)2025MayJuneStrongest 3 June, 202547mph SWAverage June14.4mphStrongest 25 May, 202540.3mph SWAverage May9.5mphStrongest 24 January, 202553.7mph SWAverage 202511.2mphClimate (2011–Present)Capel Curig Saws (26km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 21 January, 202458.2mph SWAverage 2020–202512.1mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average June27.5%15%2.5%CalmStrong GaleJune Wind RoseJune (5 Year Average)5 Year Average Annual5 Year Average June22.5%12.5%2.5%CalmStrong GaleGet WillyWeather+ to remove ads