Johns Bay - Johns Island Swell ForecastUnited StatesMELincoln CountyJohns Bay - Johns Island1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIJohns Bay - Johns Island swell forecast issued today at 6:48 am. Next forecast at approx. 6:48 am.Get WillyWeather+ to remove ads