Nantucket County Swell ForecastUnited StatesMANantucket County2.3ftSSESiasconset2.3ft, SSE1.6ftENEGreat Point1.6ft, ENECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet