Merrimack River entrance Currents

Currents 3.0 mi Newburyport, Merrimack River 7.9 mi Plum Island Sound entrance 12.2 mi Annisquam Harbor Light Tides 0.5 mi Plum Island, Merrimack River Entrance, Merrimack River 3.2 mi Newburyport, Merrimack River 5.2 mi Salisbury Point, Merrimack River 5.3 mi Hampton Harbor 7.6 mi Plum Island Sound (South End) 9.1 mi Merrimacport, Merrimack River