Restricted

Navigation prohibited 0630Z to 1500Z daily 27 thru 30 sep in area bound by 59-15N 158-45E, 61-23N 156-45E,…

Sea of Okhotsk · HYDROPAC 2666/11

What this record establishes

Archived notice · 2011-09-30 16:00Z

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 51/11 220924Z SEP 11.. Issued 2011-09-22 12:03Z. 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 · 4 in this warning

opens (UTC)closes (UTC)locallength
2011-09-27 06:30Z2011-09-27 15:00Z—8 h 30
2011-09-28 06:30Z2011-09-28 15:00Z—8 h 30
2011-09-29 06:30Z2011-09-29 15:00Z—8 h 30
2011-09-30 06:30Z2011-09-30 15:00Z—8 h 30

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

issued
2011-09-22 12:03Z
status
Archived notice
self-cancels
2011-09-30 16:00Z
authority
NAVAREA XIII 51/11 220924Z SEP 11.
NAVAREA
NAVAREA XIII · named as the source of this relay
sea
Sea of Okhotsk
position
60.441, 158.253
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SEA OF OKHOTSK.
1. NAVIGATION PROHIBITED 0630Z TO 1500Z DAILY
   27 THRU 30 SEP IN AREA BOUND BY
   59-15N 158-45E, 61-23N 156-45E,
   61-44N 157-33E, 59-30N 159-50E.
2. CANCEL THIS MSG 301600Z SEP.

Reading this warning

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.
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

3 within 180 nm since 2008 · 0 in the last 12 months · 0 listed in force now

08
10
12

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 2026-10-02 13:50Z; 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.