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Port of Portsmouth

USPSM🇺🇸USA

Port Location

About Port of Portsmouth

Portsmouth is a small, sheltered harbor on the Piscataqua River in New Hampshire. It serves as a commercial fishing and recreational boating center. The port is equipped with tugs and requires pilots for entry.

Current Conditions

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Vessel Limits

Channel Depth
9ft
Tidal Range
2ft
Elevation
6m

Operations & Services

Port of Entry
Yes
Pilotage Compulsory
Yes
Tug Assistance
Yes
Cranes
Mobile
Drydock
U
Repair Code
C

References & Identifiers

WPI No.
7180 →
GeoNames ID
4780008 →

Identification

UN/LOCODE
USPSM
Country
🇺🇸USA
Time Zone
UTC-5
Feature Type
CNL (Canal)

Classification

Type
Port
Harbor Type
River natural
Shelter
Good

Region

Subdivision
US-NH
Area
US East Coast
Latitude
43.0801°
Longitude
-70.7591°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do I navigate the approach to the Port of Portsmouth?+
The approach to Portsmouth is supported by 5 navigation aids within 50 nautical miles. The nearest is Portsmouth Channel Range Front Lighthouse at 2.3 NM to the E. Other aids include Portsmouth Channel Range Rear (2.3 NM E), Portsmouth Harbor (2.3 NM ESE), Stage Island Monument (3 NM ESE), Whaleback Ledge (3 NM ESE). Mariners should consult the relevant chart and List of Lights for full approach details.
What sea or ocean is the Port of Portsmouth on?+
The Port of Portsmouth is situated on the North Atlantic Ocean in US. The area falls within the temperate maritime climate zone, which can influence port operations and seasonal shipping patterns.
How do I track vessels arriving at or departing from the Port of Portsmouth?+
You can track vessels near Portsmouth (USPSM) in real time using MarineRadar. The platform displays live AIS positions of nearby ships, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page or search for USPSM on the live map.
What are the operating hours and time zone for the Port of Portsmouth?+
The Port of Portsmouth operates in the UTC-5 time zone. Operating hours, VTS schedules, and pilot availability vary — vessel agents should confirm with the port authority in advance, especially for night arrivals or weekend operations.