Nantucket County Swell ForecastUnited StatesMANantucket County3ftWNWSiasconset3ft, WNW2.3ftWNWGreat Point2.3ft, WNWCisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet