Nantucket County Swell ForecastUnited StatesMANantucket County5.2ftESiasconset5.2ft, E4.9ftENEGreat Point4.9ft, ENECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet