Langstone Harbour - Chalkdock Lake Wind ForecastUnited KingdomSEHampshireLangstone Harbour - Chalkdock Lake1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Langstone Harbour - Chalkdock Lake wind forecast issued today at 1:10 am. Next forecast at approx. 1:10 pm.Langstone Harbour - Chalkdock Lake Wind Statistics July WindThorney Island (6km)2025JuneJulyStrongest 15 July, 202524.6mph WSWAverage July7.5mphStrongest 3 June, 202526.8mph SWAverage June9.3mphStrongest 1 January, 202535.8mph SWAverage 20257.9mphClimate (2011–Present)Thorney Island (6km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202249.2mph WSWAverage 2020–20258.5mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July15%8.75%2.5%CalmStrongJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July25%13.75%2.5%CalmStrongGet WillyWeather+ to remove ads