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 12:09 pm. Next forecast at approx. 12:09 am.River Tamar - St John's Lake Entrance Wind Statistics November WindMount Batten (5km)2025OctoberNovemberStrongest 1 November, 202526.8mph SSWAverage November13.4mphStrongest 3 October, 202531.3mph SWAverage October9.3mphStrongest 24 January, 202547mph SAverage 20258.3mphClimate (2011–Present)Mount Batten (5km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202251.4mph WSWAverage 2020–20259mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average November17.5%10%2.5%CalmStrong GaleNovember Wind RoseNovember (5 Year Average)5 Year Average Annual5 Year Average November25%13.75%2.5%CalmStrong GaleGet WillyWeather+ to remove ads