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Port of ALTON

USALN🇺🇸US

Port Location

About Port of ALTON

The Port of ALTON (USALN) is a maritime port facility located in US.. Local time zone: UTC-5.

Position: 38.8853°N, 90.1788°W. UN/LOCODE: USALN.

Geographic context: The Port of ALTON is situated on the North Pacific Ocean. The location falls within the temperate maritime climate zone.

Vessel Limits

Max Draft
—

General Information

Port Name
ALTON
Country
🇺🇸US
UNLOCODE
USALN
Time Zone
UTC-5
Latitude
38.8853°
Longitude
-90.1788°

Navigation Aids Near ALTON

Grafton Lighthouse

13 NMWNW

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do I navigate the approach to the Port of ALTON?+
The approach to ALTON is supported by 1 navigation aid within 50 nautical miles. The nearest is Grafton Lighthouse at 13 NM to the WNW. Mariners should consult the relevant chart and List of Lights for full approach details.
What sea or ocean is the Port of ALTON on?+
The Port of ALTON is situated on the North Pacific 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 ALTON?+
You can track vessels near ALTON (USALN) 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 USALN on the live map.
What are the operating hours and time zone for the Port of ALTON?+
The Port of ALTON 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.