River Tamar - St John's Lake Entrance Wind ForecastUnited KingdomSWCornwallRiver Tamar - St John's Lake Entrance1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time River Tamar - St John's Lake Entrance wind forecast issued today at 1:11 pm. Next forecast at approx. 1:11 am.River Tamar - St John's Lake Entrance Wind Statistics March WindMount Batten (5km)2026FebruaryMarchStrongest 12 March, 202635.8mph SSWAverage March9.8mphStrongest 27 February, 202633.6mph SSWAverage February11.4mphStrongest 27 January, 202644.7mph SSWAverage 202610.4mphClimate (2011–Present)Mount Batten (5km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202251.4mph WSWAverage 2021–20269mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average March17.5%10%2.5%CalmGaleMarch Wind RoseMarch (5 Year Average)5 Year Average Annual5 Year Average March20%11.25%2.5%CalmGaleGet WillyWeather+ to remove ads