Nantucket County Swell ForecastUnited StatesMANantucket County2.6ftESESiasconset2.6ft, ESE2.3ftEGreat Point2.3ft, ECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet