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 7:43 am. Next forecast at approx. 7:43 am.Get WillyWeather+ to remove ads