Halnaker Wind ForecastUnited KingdomSEWest SussexHalnaker1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Halnaker wind forecast issued today at 6:11 am. Next forecast at approx. 6:11 pm.Halnaker Wind Statistics December WindThorney Island (16km)2025NovemberDecemberStrongest 1 December, 202535.8mph SAverage December14mphStrongest 1 November, 202526.8mph SSWAverage November9.8mphStrongest 1 January, 202535.8mph SWAverage 20258.4mphClimate (2011–Present)Thorney Island (16km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202249.2mph WSWAverage 2020–20258.4mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December15%8.75%2.5%CalmStrong GaleDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December20%11.25%2.5%CalmStrong GaleGet WillyWeather+ to remove ads