Plum Island Sound entrance Currents

Currents 5.8 mi Annisquam Harbor Light 7.9 mi Merrimack River entrance 8.5 mi Newburyport, Merrimack River 8.8 mi Blynman Canal ent., Gloucester Harbor 10.3 mi Gloucester Harbor entrance 11.3 mi Little Misery Island 11.8 mi Haste Shoal Tides 0.4 mi Plum Island Sound (South End) 5.1 mi Essex, Essex River 6.6 mi Annisquam, Lobster Cove 7.9 mi Plum Island, Merrimack River Entrance, Merrimack River 8.7 mi Newburyport, Merrimack River 9.3 mi Gloucester Harbor 9.4 mi Rockport Harbor 11.0 mi Salisbury Point, Merrimack River