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Port of Seattle

USSEA🇺🇸US

Port Location

About Port of Seattle

The Port of Seattle (USSEA) is a maritime port facility located in US.. Local time zone: UTC-8.

Position: 47.6212°N, 122.3643°W. UN/LOCODE: USSEA.

Geographic context: The Port of Seattle is situated on the North Pacific Ocean, within the US West Coast shipping lane — a major trans-Pacific trade route serving West Coast ports of the United States. The location falls within the temperate maritime climate zone.

Vessel Limits

Max Draft
—

General Information

Port Name
Seattle
Country
🇺🇸US
UNLOCODE
USSEA
Time Zone
UTC-8
Latitude
47.6212°
Longitude
-122.3643°

Navigation Aids Near Seattle

Swiftsure Lighthouse

1.2 NMENE

Alki Point Lighthouse

3.5 NMSW

West Point Lighthouse

3.8 NMNW

Point Robinson Lighthouse

14 NMS

Point No Point Lighthouse

18.7 NMNNW

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.