Porthallow (Cornwall) Wind ForecastUnited KingdomSWCornwallPorthallow (Cornwall)1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met Office Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Porthallow (Cornwall) wind forecast issued today at 1:10 pm. Next forecast at approx. 1:10 am.Porthallow (Cornwall) Wind Statistics September WindCuldrose (12km)2025AugustSeptemberStrongest 14 September, 202526.8mph WSWAverage September10mphStrongest 16 August, 202533.6mph EAverage August9.2mphStrongest 24 January, 202540.3mph SSWAverage 20259.6mphClimate (2011–Present)Culdrose (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 6 January, 202267.1mph SAverage 2020–20259.3mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmNear GaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmNear GaleGet WillyWeather+ to remove ads