Nantucket County Swell ForecastUnited StatesMANantucket County3ftENESiasconset3ft, ENE3ftENEGreat Point3ft, ENECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet