Gainaulai Island Swell ForecastAustraliaQLDFar NorthGainaulai Island1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIGainaulai Island swell forecast issued today at 12:04 pm. Next forecast at approx. 12:04 pm. Wave Height Sea TemperatureGet WillyWeather+ to remove ads