Mersey River - Mouth Wind ForecastAustraliaTASNorth WesternMersey River - Mouth1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Mersey River - Mouth wind forecast issued today at 9:34 pm. Next forecast at approx. 9:34 am. Mersey River - Mouth Wind Statistics View MoreDecember WindDevonport Airport (5km)2025NovemberDecemberStrongest 6 December, 202570.2km/h WNWAverage December21.6km/hStrongest 13 November, 202581.4km/h Average November24.9km/hStrongest 9 October, 2025113km/h NWAverage 202519.8km/hClimate (2010–Present)Devonport Airport (5km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 9 October, 2025113km/h NWAverage 2020–202519.5km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December15%8.75%2.5%CalmGaleDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December12.5%7.5%2.5%CalmGaleGet WillyWeather+ to remove ads