New Hampshire Port Authority

Welcome to the New Hampshire Port Authority.

we manage and maintain New Hampshire’s Tidal Waterways.

The Division of Ports and Harbors maintains and develops New Hampshire’s vital waterways to help support and grow commerce including freight shipments through the state’s ports and the Piscataqua River and Portsmouth Harbor. We also assist in the development of salt water fisheries and related industries.

New Hampshire’s Water Access for All
Our ports, harbors and navigable tidal rivers offer recreational, commercial, and industrial access for residents, visitors, fisheries, pleasure fishermen and boat owners.

How May We Help You?

Ports & Harbor Info

New Hampshire has more water access than people may realize. Our ports and harbors play a vital role in our state’s economy. Here you’ll find a comprehensive list of managed waterways, economic impact, bids, general notices and reports and studies.
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The public is welcome to visit the Hampton and Rye Harbor Marine Facilities where there are numerous opportunities for various recreational activities such as whale watching, charter fishing, kayaking, and parasailing.
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Market Street Marine Terminal

The terminal to the Piscataqua River on Market Street in Portsmouth offers public access and general cargo handling capabilities.
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Commercial Fishing

Commercial fishing from state-owned piers and facilities falls under the jurisdiction of the Division of Ports and Harbors. Commercial fishermen wishing to use the facilities must obtain a “Pier Use” permit.
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Pilot and Pilotage

We oversee administrative rules for port captains, pilots and pilotage in the Portsmouth Harbor and Piscataqua River.
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The Division of Ports and Harbors is responsible for more than 1,500 moorings in 29 mooring fields.
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Foreign Trade Zone

The Division of Ports and Harbors is the Grantee of Foreign-Trade Zone #81, which includes 5 sites and 2 subzones.
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New Hampshire Port Authority Division of Ports and Harbors

555 Market Street, Portsmouth, NH 03801
Monday—Friday, 8 a.m. to 4 p.m.
After hours: 603-436-8500
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