Sachem Head Swell ForecastUnited StatesCTNew Haven CountySachem Head1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISachem Head swell forecast issued yesterday at 7:45 pm. Next forecast at approx. 7:45 pm.Get WillyWeather+ to remove ads