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Port of Seattle

USSEA🇺🇸USA

Port Location

About Port of Seattle

This major Pacific Northwest seaport is located on Puget Sound. It handles a significant volume of containerized cargo and is a key hub for cruise ships. The port features extensive container terminals and is equipped with pilotage and tug services.

Background
The Port of Seattle is a public agency based in King County, Washington. It oversees the seaport of Seattle and Seattle–Tacoma International Airport. With a array of properties ranging from parks and waterfront real estate to one of the largest airports and container terminals on the West Coast, the Port of Seattle is one of the Pacific Northwest's leading economic engines.

Current Conditions

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Vessel Limits

Channel Depth
9ft
Tidal Range
2ft
Elevation
5m

Operations & Services

Port of Entry
Yes
Pilotage Compulsory
Yes
Tug Assistance
Yes
Cranes
Fixed, Mobile, Floating
Drydock
S
Repair Code
A
Terminals
3

History

Established
2016
Operator (Wikidata ID)
Amazon

Terminals (3)

SSA TERMINAL T18

SSA TERMINALS

1050 SW Spokane St., Seattle, WA 98134, USA

www.ssamarine.com →

SSA TERMINAL T30

SSA TERMINALS

2431 East Marginal Way South, Seattle, WA 98134, USA

www.ssamarine.com →

SSA TERMINAL T5

SSA TERMINALS

3443 W Marginal Way SW, Seattle, WA 98106, USA

www.ssamarine.com →

Identification

UN/LOCODE
USSEA
Country
🇺🇸USA
Time Zone
UTC-8
Feature Type
HBR (Harbor)

Classification

Type
Port
Harbor Type
Coastal natural
Shelter
Excellent

Region

Subdivision
US-WA
Area
US West Coast
Latitude
47.6212°
Longitude
-122.3643°

References & Identifiers

WPI No.
17730 →
GeoNames ID
7243174 →
Wikidata
Q7231262 →
Wikipedia
Read on Wikipedia →
Official Site
www.portseattle.org →

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do I navigate the approach to the Port of Seattle?+
The approach to Seattle is supported by 5 navigation aids within 50 nautical miles. The nearest is Swiftsure Lighthouse at 1.2 NM to the ENE. Other aids include Alki Point (3.5 NM SW), West Point (3.8 NM NW), Point Robinson (14 NM S), Point No Point (18.7 NM NNW). Mariners should consult the relevant chart and List of Lights for full approach details.
What major shipping routes pass near the Port of Seattle?+
The Port of Seattle is located within the US West Coast shipping lane — a major trans-Pacific trade route serving West Coast ports of the United States. This strategic position influences vessel traffic density, anchorage availability, and port scheduling.
How do I track vessels arriving at or departing from the Port of Seattle?+
You can track vessels near Seattle (USSEA) 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 USSEA on the live map.
What are the operating hours and time zone for the Port of Seattle?+
The Port of Seattle operates in the UTC-8 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.