Nantucket County Swell ForecastUnited StatesMANantucket County2.3ftESESiasconset2.3ft, ESE1.6ftENEGreat Point1.6ft, ENECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet