Restricted

Sea of okhotsk nga chart 96000 (5TH ed)

Sea of Okhotsk · HYDROPAC 2876/11

What this record establishes

Archived notice · 2011-10-20 11:00Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA XIII 55/11 130912Z OCT 11.. Issued 2011-10-13 09:51Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. 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 · 3 in this warning

opens (UTC)closes (UTC)locallength
2011-10-18 04:00Z2011-10-18 10:00Z—6 h
2011-10-19 04:00Z2011-10-19 10:00Z—6 h
2011-10-20 04:00Z2011-10-20 10:00Z—6 h

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

issued
2011-10-13 09:51Z
status
Archived notice
self-cancels
2011-10-20 11:00Z
authority
NAVAREA XIII 55/11 130912Z OCT 11.
NAVAREA
NAVAREA XIII · named as the source of this relay
sea
Sea of Okhotsk
position
57.177, 140.550
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SEA OF OKHOTSK
NGA CHART 96000 (5TH ED).
NGA CHART 96420 (3RD ED).
1. NAVIGATION PROHIBITED 0400Z TO 1000Z DAILY 18 THRU 20 OCT:
   A. IN AREA BOUND BY
      47-36.0N 151-21.0E, 47-41.5N 151-17.0E,
      48-03.0N 151-31.5E, 48-06.0N 151-40.0E,
      47-52.0N 151-58.0E.
   B. WITHIN 27 MILES OF 52-49.0N 146-17.0E.
   C. WITHIN 27.5 MILES OF 57-09.0N 140-33.0E.
2. CANCEL THIS MESSAGE 201100Z OCT.

Reading this warning

Chart reference
The number of the nautical chart on which the reported position lies.
Navigation prohibited
Ships may not enter or pass through the area, or a port is closed to traffic.
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.
Within a radius of
A circular area — every position within a stated distance of a point.
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 · restricted areas & port closures

1 within 180 nm since 2011 · 0 in the last 12 months · 0 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.

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

2 restricted areas & port closures listed in force · see all

Record snapshot 2026-10-03 20:33Z; source collection times vary.

Restricted

Navigation prohibited, exclusion and security zones, ports closed to traffic. All current restricted areas & port closures →

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.