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 yesterday at 11:59 pm. Next forecast at approx. 11:59 pm.Get WillyWeather+ to remove ads