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Port of Rumoi

JPRMI🇯🇵Japan

Port Location

About Port of Rumoi

Also known as: Rumoe-ko, Rumoi-ko, Rumoi-kō

This harbor on the Sea of Japan serves the Rumoi region of Hokkaido. It handles cargo and accommodates various vessel types. The port facilities include tug services.

Background
Rumoi is a city in Rumoi Subprefecture, Hokkaido, Japan. As of 31 January 2025, the city had an estimated population of 18,132 in 10519 households, and a population density of 61 people per km2. The total area of the city is 297.81 km2 (114.99 sq mi). There are several theories about the origin of the name, which comes from the Ainu word for the Rumoi River. The word "rur-mo-ot-pe," means "a river with calm, constant tides," or "a river with deep tides," and this theory has been adopted by the city.

Current Conditions

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Vessel Limits

Channel Depth
8ft
Elevation
10m

Operations & Services

Port of Entry
Yes
Pilotage Compulsory
No
Tug Assistance
Yes
Drydock
U
Repair Code
C

History

Established
1947

Nearby Vessels

Flag
Type
Name
Dist.

Identification

UN/LOCODE
JPRMI
Country
🇯🇵Japan
Time Zone
UTC+9
Feature Type
HBR (Harbor)

Classification

Type
Port
Harbor Type
Coastal breakwater
Shelter
Good

Region

Subdivision
JP-01
Area
Japan Coast
Body of Water
Sea of Japan
Latitude
43.9554°
Longitude
141.6357°

References & Identifiers

WPI No.
61250 →
GeoNames ID
2128379 →
Wikidata
Q714628 →
Wikipedia
Read on Wikipedia →
Official Site
www.e-rumoi.jp →
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Frequently Asked Questions

How do I navigate the approach to the Port of Rumoi?+
The approach to Rumoi is supported by 5 navigation aids within 50 nautical miles. The nearest is Rumoi Inner Breakwater Lighthouse at 0.2 NM to the N. Other aids include Rumoi West (0.2 NM N), Rumoi (0.5 NM NE), Rumoi South Breakwater (0.5 NM NNW), Rumoi North Breakwater (0.7 NM NW). Mariners should consult the relevant chart and List of Lights for full approach details.
What sea or ocean is the Port of Rumoi on?+
The Port of Rumoi is situated on the Sea of Japan in JP. 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 Rumoi?+
You can track vessels near Rumoi (JPRMI) 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 JPRMI on the live map.
What are the operating hours and time zone for the Port of Rumoi?+
The Port of Rumoi operates in the UTC+9 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.