Dianas Basin Wind ForecastAustraliaTASNorthernDianas Basin1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Dianas Basin wind forecast issued today at 8:33 am. Next forecast at approx. 8:33 pm. Dianas Basin Wind Statistics View MoreJune WindSt Helens Aerodrome (5km)2026MayJuneStrongest 3 June, 202631.3km/h WNWAverage June6.8km/hStrongest 28 May, 2026103.7km/h NNEAverage May9.2km/hStrongest 28 May, 2026103.7km/h NNEAverage 202611.4km/hClimate (2010–Present)St Helens Aerodrome (5km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 13 March, 2025105.5km/h WAverage 2021–202611.9km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average June15%8.75%2.5%CalmStrongJune Wind RoseJune (5 Year Average)5 Year Average Annual5 Year Average June17.5%10%2.5%CalmStrongGet WillyWeather+ to remove ads