Snappy Gum Island Swell ForecastAustraliaWAPilbaraSnappy Gum Island1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISnappy Gum Island swell forecast issued yesterday at 9:58 pm. Next forecast at approx. 9:58 pm. Wave Height Sea TemperatureGet WillyWeather+ to remove ads