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Port of National City

USNLN🇺🇸US

Port Location

About Port of National City

The Port of National City (USNLN) is a maritime port facility located in US.. Local time zone: UTC-7.

Position: 32.7000°N, 117.1670°W. UN/LOCODE: USNLN.

Geographic context: The Port of National City 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 subtropical climate zone with mild winters and warm summers.

Vessel Limits

Max Draft
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General Information

Port Name
National City
Country
🇺🇸US
UNLOCODE
USNLN
Time Zone
UTC-7
Latitude
32.7000°
Longitude
-117.1670°

Navigation Aids Near National City

Harbor Island Lighthouse

2.7 NMWNW

Umpqua River Replica Lighthouse

2.7 NMWSW

Ballast Point (lantern) Lighthouse

3.4 NMNNW

San Diego Entrance Range Rear Lighthouse

3.4 NMW

San Diego Entrance Range Rear (Shelter Island) Lighthouse

3.4 NMW

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do I navigate the approach to the Port of National City?+
The approach to National City is supported by 5 navigation aids within 50 nautical miles. The nearest is Harbor Island Lighthouse at 2.7 NM to the WNW. Other aids include Umpqua River Replica (2.7 NM WSW), Ballast Point (lantern) (3.4 NM NNW), San Diego Entrance Range Rear (3.4 NM W), San Diego Entrance Range Rear (Shelter Island) (3.4 NM W). Mariners should consult the relevant chart and List of Lights for full approach details.
What major shipping routes pass near the Port of National City?+
The Port of National City 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 National City?+
You can track vessels near National City (USNLN) 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 USNLN on the live map.
What are the operating hours and time zone for the Port of National City?+
The Port of National City operates in the UTC-7 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.