Boston Light Swell ForecastUnited StatesMASuffolk CountyBoston Light1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIBoston Light swell forecast issued today at 12:46 pm. Next forecast at approx. 12:46 pm.Get WillyWeather+ to remove ads