Nantucket County Swell ForecastUnited StatesMANantucket County2ftSSWSiasconset2ft, SSW1.3ftNEGreat Point1.3ft, NECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet