Nantucket County Swell ForecastUnited StatesMANantucket County2.6ftSSWSiasconset2.6ft, SSW2ftWNWGreat Point2ft, WNWCisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet