Nantucket County Swell ForecastUnited StatesMANantucket County3ftSSiasconset3ft, S2ftNNEGreat Point2ft, NNECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet