Nantucket County Swell ForecastUnited StatesMANantucket County2ftESESiasconset2ft, ESE1.6ftEGreat Point1.6ft, ECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet