Exercises

Gunnery exercises occur daily from 2200Z to 1000Z on July 31, August 2-14, 16-21, 23-28, and 30 in the Sea of Japan near Russia.

Japan Sea · HYDROPAC 2151/26

What this record establishes

Cancelled notice · 2026-09-08 17:45Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates
NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-07-27 11:48Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-31 19:32Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Japan Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the Japan Sea →

issued
2026-07-27 11:48Z
status
Cancelled notice
self-cancels
2026-08-31 11:00Z
sea
Japan Sea
position
42.455, 131.964
nearest port
Vladivostok · 39 nm
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z

Original warning text

SEA OF JAPAN.
RUSSIA.
1. GUNNERY EXERCISES 2200Z TO 1000Z DAILY,
   31 JUL, 02 THRU 14, 16 THRU 21, 23 THRU 28
   AND 30 AUG,  IN AREA BOUND BY
   42-40.00N 131-41.00E, 42-40.00N 131-57.00E,
   42-38.50N 132-15.00E, 42-15.00N 132-15.00E,
   42-15.00N 131-41.00E.
2. CANCEL THIS MSG 311100Z AUG 26.

Reading this warning

Gunnery and live firing
Naval or coastal guns firing into a sea area for practice, at stated times.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · military exercises

238 within 180 nm since 1999 · 3 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
25
26

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.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

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

31 military exercises listed in force · see all

Record snapshot 2026-09-29 23:58Z; source collection times vary.

Exercises

Gunnery, firing and naval exercise areas. All current military exercises →

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.