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Port of Portsmouth

United States

UN/LOCODEUSPSMWhat is a UN/LOCODE?43.0833° N, 70.75° WLocal timeAmerica/New_York, UTC-4
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In short

Portsmouth: no ships detected in port from AIS in the last 3 days (as of Oct 4, 2026, 18:07 UTC). Coverage depends on AIS reception in the area.

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In port now
0
Arrivals, last 24 h
0
Departures, last 24 h
0
Ships nearby, last 6 h
28

Vessels near Portsmouth

Ships Voydar received on AIS near the port in the last 6 hours, most recent first. Being near a port is not a port call; the board above lists calls.

Vessels near Portsmouth
VesselLast seen
United StatesARESPleasure craft
United StatesHANDY THREETug
United StatesSEA HAVENSailing
United StatesMALLARDPleasure craft
United StatesKESTRELPleasure craft
United StatesALOHA FRIDAYPleasure craft
PanamaNORD LOGOSCargo
United StatesSEALION
United StatesSUKIPleasure craft
United StatesRESURGENTPleasure craft
United StatesSEEKERPleasure craft
United StatesTOWN POINTTug
United StatesDONNA MARIE
United StatesREGINAPleasure craft
United StatesFIRED UPPleasure craft
United StatesKLEOSSailing
United StatesGLIDE
United StatesFT BRAGGTug
United StatesI'SE THE B'YPleasure craft
United StatesNEVER ON SUNDAYPleasure craft
United StatesCG47273Search and rescue
United StatesLITHODORAPleasure craft
United StatesKITTERY HARBORMASTERSearch and rescue
United StatesBEARCATSailing
United StatesFIVE BEARS
United StatesTHORASailing
United StatesGALEN JPleasure craft
United StatesCG 47226Search and rescue

Harbour & facilities

Harbour particulars for Portsmouth from the NGA World Port Index (WPI port no. 7180). Depths in metres as charted by NGA.

Harbour size
Small
Harbour type
River (natural)
Shelter
Good
Channel depth
9 m
Anchorage depth
20 m
Cargo pier depth
9 m
Oil terminal depth
9 m
Mean tide
2 m
Pilotage compulsory
Yes
First port of entry
Yes
Repairs
Limited

Source: NGA World Port Index (Pub. 150). Licence: US Government public domain.

Not for navigation.

Forecast

Model forecast for Portsmouth over the next 72 hours, every 6 hours: wind, gusts, waves and visibility. Times in UTC.

Time (UTC)Wind (kn)FromGusts (kn)Waves (m)Period (s)Visibility (km)
6104°120.5724
594°70.6524
31°50.6624
5241°90.8724
15283°241824
9293°150.9824
10289°150.8824
11284°200.7824
12289°200.6824
7293°120.3824

Forecast: ECMWF IFS 0.25° + ECMWF WAM, run of Oct 4, 2026, 00:00 UTC. Visibility: NOAA GFS 0.25° + GFS-Wave (WAVEWATCH III), run of Oct 4, 2026, 12:00 UTC. Waves are taken from the wave model's nearest sea point, 9 km away.

Source: ECMWF open data (IFS 0.25° forecasts, ECMWF WAM waves). This service is based on data and products of the European Centre for Medium-Range Weather Forecasts (ECMWF). Source: www.ecmwf.int. Licence: CC BY 4.0. Licence: CC-BY-4.0 + ECMWF Terms of Use.

Source: NOAA GFS 0.25° and GFS-Wave (WAVEWATCH III) forecasts. Forecast: NOAA NCEP GFS / GFS-Wave (WAVEWATCH III). Licence: US Government work (public domain); NOAA Open Data Dissemination.

A model forecast, not an observation. Not for navigation.

Marine conditions near Portsmouth

Live wind, waves and water temperature from nearby NOAA buoys and tide gauges — free government data the incumbents charge for.

Buoy SEIM1 · 1.0 kmobserved
Water temp
15.8°C (60°F)
Air temp
—
Wind
—
Waves
—

Weather buoys

Tide gauges

Source: NOAA National Data Buoy Center & CO-OPS Tides & Currents — public domain.

Berths and terminals at Portsmouth

11 docks, terminals and mooring places listed by the U.S. Army Corps of Engineers for Portsmouth. Deepest listed berth: 11.6 m (38 ft). The 11 deepest are shown.

U.S. principal ports by tonnage, 2023
#136 of 150
1.4 million short tons handled (Portsmouth, NH).
Source: U.S. Army Corps of Engineers, Waterborne Commerce Statistics Center (public domain). Retrieved Sep 24, 2026.
Berths and terminals at Portsmouth
FacilityDepth alongsideLongest berthOwner / operator (as listed)
NATIONAL GYPSUM PRODUCTS PORTSMOUTH PLANT WHARF
Receipt of gypsum rock by self-unloading vessel; and receipt of petroleum products by barge and tanker.
11.6 m (38 ft)137.2 m (450 ft)
Owner: Gold Bond Building Products, Division of National Gypsum Co.
Operator: Gold Bond Building Products, Division of National Gypsum Co.
Operator: and Irving Oil Terminals, Inc.
GRANITE STATE MINERALS PORTSMOUTH DOCK
Receipt and shipment of miscellaneous dry-bulk commodities and heavy-lift items, all by barge; and receipt of salt by barge.
11 m (36 ft)91.4 m (300 ft)
Owner and operator: Granite State Minerals, Inc.
SPRAGUE ENERGY CORP GOSLING ROAD WHARF
Receipt of coal and fuel oil.
10.7 m (35 ft)213.4 m (700 ft)
Owner: Public Service Co. of New Hampshire
Operator: Sprague Energy Corp.
New Hampshire State Port Authority, Marine Terminal Wharf.
Occasional receipt and shipment of conventional-and- containerized general cargo and heavy-lift items, all by barge in foreign-and-domestic trade.
10.7 m (35 ft)176.2 m (578 ft)
Owner and operator: New Hampshire State Port Authority
New Hampshire State Port Authority, Marine Terminal Barge Wharf.
Mooring cruise vessels and boarding passengers; mooring tugs, fishing boats, and barges; and handling construction materials and supplies to and from barges.
6.7 m (22 ft)95.1 m (312 ft)
Owner and operator: New Hampshire State Port Authority
MORAN TOWING PORTSMOUTH WHARF
Mooring company-owned tugs and harbor-pilot boats.
5.2 m (17 ft)50.3 m (165 ft)
Owner and operator: Moran Towing, Inc.
ISLES OF SHOALS STEAMSHIP CO WHARF
Mooring-and-landing for excursion vessels.
4.6 m (15 ft)41.1 m (135 ft)
Owner: New Hampshire State Port Authority
Operator: Isles of Shoals Steamship Co.
PORTSMOUTH HARBOR CRUISES DOCK
Mooring excursion vessels and miscellaneous craft.
4.6 m (15 ft)30.5 m (100 ft)
Owner: Society of Colonial Dames, New Hampshire Division
Operator: Portsmouth Harbor Cruises, Inc.
NEW HAMPSHIRE STATE PORT AUTHORITY MARINE TERMINAL WHARVES
———
PORTSMOUTH - FOREIGN YACHTS ONLY
———
PUBLIC SERVICE CO OF NEW HAMPSHIRE SCHILLER STA DOCKS
———

Source: U.S. Army Corps of Engineers, Navigation Data Center, Port and Waterway Facilities (public domain). Owner and operator names are USACE's text, not verified company records. Retrieved Sep 24, 2026.

Recent arrivals & departures AIS-detected

VesselArrivedDeparted
United States ARIADNEnot recorded
Marshall Islands GENCO MANTISCargonot recorded

Marine accidents investigated nearby Authority-reported

13 accidents and incidents within 100 km of the port in the published records of national accident-investigation boards since Feb 21, 2012, located where the board states a position. The most recent:

Source: NTSB marine investigations (CAROL). Courtesy: National Transportation Safety Board. Licence: US Government work (17 U.S.C. §105), public domain.

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