Komatsushima, Japan
Port · JPKOM · 34.05°, 134.60° · Mineral Products, Wood & Wood Products, Vegetable Products
- in force · 60 nm
- 0
- issued · 30 d
- 0
- archive messages
- 5
- vessel calls / yr
- 987
About the port
The World Port Index lists Komatsushima as a small coastal breakwater harbour with fair shelter.
Listed depths: 8 m in the channel, 9 m at the anchorage and 11 m at the cargo pier, with a mean rise of tide of 2 m.
Entry can be restricted by other conditions.
Pilotage is not compulsory.
Repair facilities are rated limited.
Komatsushima is a first port of entry.
PortWatch estimates 978 port calls at Komatsushima from Sep 2025 to Aug 2026, about 82 a month, 7% fewer than in the twelve months before.
By vessel type, general cargo ships 49%, tankers 26% and dry bulk carriers 15% of those calls.
Estimated cargo over the same months: 1.5 million t imported and 126 thousand t exported.
The busiest month was Oct 2025 (94 calls) and the quietest Aug 2026 (65).
What is reported near this port
5 warnings in this archive have their reported position within 60 nm of Komatsushima, the earliest issued in 1999; the most common types are quakes (3) and incidents (2).
Distance is measured to each warning's reported point or area centre, so a warning near Komatsushima is not necessarily about the port; collection is incomplete between 2024-05 and 2026-08-17.
Port calls per month · IMF PortWatch estimates
Oct 2024 – Sep 2026 (last bar: month in progress) · last complete month Aug 2026: 65 calls, 76 thousand t in, 11 thousand t out
Warnings within 60 nm, by year of issue
In force within 60 nm · 0
Nothing in force within 60 nm right now.
Issued in the last 12 months, now cancelled · 1
Port characteristics · World Port Index
- harbour
- small coastal breakwater
- shelter
- fair
- water body
- Sea of Japan; North Pacific Ocean
- NAVAREA
- NAVAREA XI
- depths
- channel 8 m · anchorage 9 m · cargo pier 11 m
- mean rise of tide
- 2 m
- entrance restricted by
- other; not ice, swell, tide
- turning area
- yes
- good holding ground
- yes
- pilotage
- not compulsory
- tugs
- assistance
- traffic and reporting
- ETA message required
- berthing
- wharves
- cranes
- fixed, mobile
- services
- longshore labour, medical
- supplies
- fuel oil, water
- repairs
- limited
- marine railway
- small
- first port of entry
- yes
- sailing directions
- Sailing Directions Pub. 159 (Enroute) - Japan - Volume II
- chart
- 97202
World Port Index entry Komatsushima (No. 61960), matched by UN/LOCODE. NGA Publication 150 (U.S. government work). The index describes the port as last surveyed for the publication; it is not a substitute for Sailing Directions or port authority information.
Share of Japan's maritime trade through this port (PortWatch): imports 0.2%, exports 0.1%.
Chokepoint and port data: IMF PortWatch (portwatch.imf.org) — IMF and the University of Oxford, via the UN Global Platform. Not for navigation — follow official NAVAREA / coastal broadcasts and port authority notices.