Glen Mervyn Wind ForecastAustraliaWASouth WestGlen Mervyn1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Glen Mervyn wind forecast issued today at 9:14 pm. Next forecast at approx. 9:14 am. Glen Mervyn Wind Statistics View MoreDecember WindCollie East (21km)2025NovemberDecemberStrongest 1 December, 202529.5km/h NNWAverage December4km/hStrongest 23 November, 202550km/h WAverage November7.5km/hStrongest 2 August, 202570.2km/h NNWAverage 20255.6km/hClimate (2010–Present)Collie East (21km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 9 August, 202176km/h WNWAverage 2020–20256.2km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December37.5%20%2.5%CalmModerateDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December22.5%12.5%2.5%CalmModerateGet WillyWeather+ to remove ads