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 12:34 am. Next forecast at approx. 12:34 pm. Wind Speed Wind Gust Dianas Basin Wind Statistics View MoreOctober WindSt Helens Aerodrome (5 km)2026SeptemberOctoberStrongest 3 October, 202651.8 km/h SAverage October14.5 km/hStrongest 20 September, 202690.7 km/h WNWAverage September14.3 km/hStrongest 28 May, 2026103.7 km/h NNEAverage 202611.6 km/hClimate (2021–2026)St Helens Aerodrome (5 km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 13 March, 2025105.5 km/h WAverage 2021–202611.9 km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average October15%8.75%2.5%CalmStrongOctober Wind RoseOctober (5 Year Average)5 Year Average Annual5 Year Average October12.5%7.5%2.5%CalmStrongGet WillyWeather+ to remove ads