Nantucket County Swell ForecastUnited StatesMANantucket County1.6ftSSESiasconset1.6ft, SSE1.6ftESEGreat Point1.6ft, ESECisco BeachCoatueDionisEsther IslandGreat PointJetties BeachMiacomet BeachMuskeget IslandQuidnetSankaty Head LighthouseSiasconsetSquamSurfside NantucketTom NeversTuckernuck IslandWauwinet