Myrtle Beach Swell ForecastAustraliaNSWSouth CoastMyrtle Beach1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIMyrtle Beach swell forecast issued yesterday at 6:29 pm. Next forecast at approx. 6:29 pm.Get WillyWeather+ to remove ads