Plum Island

Newbury, New Hampshire 3272

Plum Island

Plum Island Professional Guide

Detailed Trail Description from our Guidebook

"This 7-mile-long barrier island is a refuge for more than 300 species of resident and migratory birds, including the endangered piping plover."

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Trail Information

Nearby City
17-18 nautical miles
Mean tidal range is 8.3 feet. Much of the areas west of Plum Island and south of Sandy Point drain at low tide, revealing many square miles of mudflats. In the Plum Island River, the tide enters from north and south, with a shifting tidal divide; it is unlikely that you’ll completely avoid paddling against current, but plan to be in this area at roughly high tide to have plenty of room to navigate with minimal current. The mouth of the Merrimack River develops a strong current. Plan to avoid paddling against it and avoid this area when the ebbing tide stacks up against on-shore winds.
Tidal Information
The mouth of the Merrimack River can be a treacherous stretch of water, attaining 2-knot currents off of Newburyport and faster between the granite block jetties extending from the river’s entrance. Recreational boaters, many challenged by the currents and waves, also complicate matters for kayakers. Fishing lines cast from jetties can foil attempts to stick close to shore and eddy-hop. The shallow mouth of Plum Island Sound can also get a bit dicey when wind and current oppose each other. Greenhead flies can be a menace from mid-July to mid-August.
NOAA chart #13282 and #13274; Maptech #7
Local Maps