Surprise Bay Swell ForecastAustraliaTASSouthernSurprise Bay1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISurprise Bay swell forecast issued today at 6:33 am. Next forecast at approx. 6:33 am.Get WillyWeather+ to remove ads