Gas Bay Swell ForecastAustraliaWASouth WestGas Bay1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIGas Bay swell forecast issued today at 5:27 am. Next forecast at approx. 5:27 am.Get WillyWeather+ to remove ads