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Port of Guam

GUGUM🇬🇺Guam

Port Location

About Port of Guam

This dockyard facility handles over ninety percent of Guam's imports. It is located in Apra Harbor on Cabras Island.

Background
The Port of Guam handles over ninety percent of total imports to the United States island territory of Guam. Located in the north of Apra Harbor on Cabras Island, it shares harbor waters with Naval Base Guam and two small marinas. Family Beach on the Glass Breakwater is owned by the Port Authority of Guam, as well as numerous other water recreational businesses leased by the Authority.

Current Conditions

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Vessel Limits

Channel Depth
11ft
Tidal Range
1ft
Elevation
3m

Operations & Services

Port of Entry
Yes
Pilotage Compulsory
Yes
Tug Assistance
Yes
Cranes
Fixed, Mobile, Floating
Drydock
Medium
Repair Code
C

References & Identifiers

WPI No.
56550 →
GeoNames ID
7870762 →
Wikidata
Q105742449 →
Wikipedia
Read on Wikipedia →

Identification

UN/LOCODE
GUGUM
Country
🇬🇺Guam
Time Zone
UTC+10
Feature Type
DCKY (Dockyard)

Classification

Type
Port
Harbor Type
Coastal breakwater
Shelter
Good

Region

Area
North Pacific
Latitude
13.4445°
Longitude
144.6515°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do I navigate the approach to the Port of Guam?+
The approach to Guam is supported by 4 navigation aids within 50 nautical miles. The nearest is Apra Outer Harbor Range Rear Lighthouse at 1.4 NM to the ENE. Other aids include Apra Inner Harbor Range Rear (1.9 NM W), Orote Point (1.9 NM W), Ritidian Point (17.4 NM NE). Mariners should consult the relevant chart and List of Lights for full approach details.
What sea or ocean is the Port of Guam on?+
The Port of Guam is situated on the North Pacific Ocean in GU. The area falls within the tropical climate zone with warm waters and seasonal monsoons, which can influence port operations and seasonal shipping patterns.
How do I track vessels arriving at or departing from the Port of Guam?+
You can track vessels near Guam (GUGUM) 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 GUGUM on the live map.
What are the operating hours and time zone for the Port of Guam?+
The Port of Guam operates in the UTC+10 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.