Nantucket County Swell ForecastUnited StatesMANantucket County2.6ftESiasconset2.6ft, E2.3ftENEGreat Point2.3ft, ENECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet