Nantucket County Swell ForecastUnited StatesMANantucket County3ftSSiasconset3ft, S2ftSSEGreat Point2ft, SSECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet