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Port Madison

USPDI🇺🇸US

Port Location

About Port Madison

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

Position: 47.7000°N, 122.5667°W. UN/LOCODE: USPDI.

Geographic context: The Port Madison 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
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General Information

Port Name
Port Madison
Country
🇺🇸US
UNLOCODE
USPDI
Time Zone
UTC-8
Latitude
47.7000°
Longitude
-122.5667°

Navigation Aids Near Port Madison

Eastern Jefferson County (Admiralty Inlet, Port Townsend Area) Lighthouses Lighthouse

27.7 NMNNW

Minor Island Lighthouse

38.8 NMNNW

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do I navigate the approach to the Port Madison?+
The approach to Port Madison is supported by 2 navigation aids within 50 nautical miles. The nearest is Eastern Jefferson County (Admiralty Inlet, Port Townsend Area) Lighthouses Lighthouse at 27.7 NM to the NNW. Other aids include Minor Island (38.8 NM NNW). Mariners should consult the relevant chart and List of Lights for full approach details.
What major shipping routes pass near the Port Madison?+
The Port Madison 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 Madison?+
You can track vessels near Port Madison (USPDI) 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 USPDI on the live map.
What are the operating hours and time zone for the Port Madison?+
The Port Madison 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.