Nantucket County Swell ForecastUnited StatesMANantucket County2.3ftSSiasconset2.3ft, S1.3ftSEGreat Point1.3ft, SECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet