St. Augustine Beach Swell ForecastUnited StatesFLSt Johns CountySt. Augustine Beach1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISt. Augustine Beach swell forecast issued today at 1:47 am. Next forecast at approx. 1:47 am. Wave Height Sea TemperatureGet WillyWeather+ to remove ads