Isthmus Bay Wind ForecastAustraliaWAGreat SouthernIsthmus Bay1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Isthmus Bay wind forecast issued today at 6:33 pm. Next forecast at approx. 6:33 am. Wind Speed Wind Gust Isthmus Bay Wind Statistics View MoreNovember WindRocky Gully South (13 km)2026OctoberNovemberStrongest 2 November, 202646.4 km/h WAverage November13.6 km/hStrongest 21 October, 202668.4 km/h NNWAverage October14.1 km/hStrongest 19 September, 202681.4 km/h WNWAverage 202614.1 km/hClimate (2021–2026)Rocky Gully South (13 km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 13 August, 202583.2 km/h NWAverage 2021–202611.6 km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average November22.5%12.5%2.5%CalmFreshNovember Wind RoseNovember (5 Year Average)5 Year Average Annual5 Year Average November12.5%7.5%2.5%CalmFreshGet WillyWeather+ to remove ads