Exercises

Gunnery exercises take place daily 09-14 August near the Kuril Islands in the Sea of Okhotsk; canceled 15 August 1300Z.

Sea of Okhotsk · HYDROPAC 2305/26

What this record establishes

Cancelled notice · 2026-08-21 15:40Z

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 2026-08-11 09:46Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-23 13:02Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Sea of Okhotsk. 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 Sea of Okhotsk →

Activity windows · 6 in this warning

opens (UTC)closes (UTC)locallength
2026-08-09 20:00Z2026-08-10 12:00Z—16 h
2026-08-10 20:00Z2026-08-11 12:00Z—16 h
2026-08-11 20:00Z2026-08-12 12:00Z—16 h
2026-08-12 20:00Z2026-08-13 12:00Z—16 h
2026-08-13 20:00Z2026-08-14 12:00Z—16 h
2026-08-14 20:00Z2026-08-15 12:00Z—16 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2026-08-11 09:46Z
status
Cancelled notice
self-cancels
2026-08-15 13:00Z
sea
Sea of Okhotsk
position
45.354, 146.439
nearest port
Kushiro · 169 nm
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z

Original warning text

NORTH PACIFIC.
SEA OF OKHOTSK.
KURIL ISLANDS.
1. GUNNERY EXERCISES 2000Z TO 1200Z
   DAILY 09 THRU 14 AUG IN AREAS BOUND BY:
   A. 46-41.00N 146-02.00E, 45-13.00N 148-05.00E,
      44-58.00N 147-58.00E, 44-27.00N 147-16.00E,
      44-25.00N 146-57.00E, 44-53.00N 144-54.00E.
   B. 45-37.00N 144-00.00E, 45-25.00N 146-52.00E,
      45-03.00N 147-00.00E, 45-14.00N 146-09.00E.
2. CANCEL THIS MSG 151300Z 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

43 within 180 nm since 2010 · 2 in the last 12 months · 0 listed in force now

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

Worldwide in the collected sources

28 military exercises listed in force · see all

Record snapshot 2026-10-01 10:45Z; 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.