Wrecks · Aids to navigation

A large buoy exists in the East China Sea at 31 degrees north, 124 degrees east.

Eastern China Sea · NAVAREA XI 252/23

What this record establishes

Listed in force

The latest collected record lists this warning as active. This is the status of the notice, not a live observation of conditions at the location.

Source and dates: Japan Coast Guard JHOD NAVAREA XI · Japan Coast Guard (JHOD). Issued 2023-07-28 08:00Z. First collected 2026-08-17 13:42Z; last seen in collection 2026-08-17 14:24Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: Eastern China Sea. The parsed report position is 31.000, 124.000. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Eastern China Sea →

issued: 2023-07-28 08:00Z
status: Listed in force
authority: Japan Coast Guard (JHOD)
NAVAREA: NAVAREA XI
issued by: JAPAN COAST GUARD
sea: Eastern China Sea
position: 31.000, 124.000
nearest port: Zhoushan · 115 nm
source: Japan Coast Guard JHOD NAVAREA XI · first seen 2026-08-17 13:42Z

Original warning text

EAST CHINA SEA.
LARGE BUOY REPORTED TO EXIST IN
31-00N 124-00E.

Reading this warning

Position (degrees and minutes): How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.

All warning terms →

Conditions at the position · now

loading…

MET Norway · NOAA WaveWatch III · HYCOM · GEBCO 2020 · model data at the centroid, not an observation

Collected reports in this area · wrecks & obstructions

5 within 180 nm since 2004 · 0 in the last 12 months · 1 listed in force now

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

East China Sea2013-11-01
Wreck in position 33-42-35.3N 125-12-16.1E2006-08-11
Wreck in position 33-14.5N 125-45.8E2006-06-19
Dangerous wreck in 33-43.7N 124-20.0E2004-06-16

Month of issue in the collected archive

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

38 wrecks & obstructions listed in force · see all

Record snapshot 2026-09-29 10:00Z; source collection times vary.

Wrecks

Dangerous wrecks, shoals and submerged obstructions. All current wrecks & obstructions →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.