San Lorenzo River Mouth Swell ForecastUnited StatesCASanta Cruz CountySan Lorenzo River Mouth1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISan Lorenzo River Mouth swell forecast issued today at 4:50 pm. Next forecast at approx. 4:50 pm.Get WillyWeather+ to remove ads