Restricted

Nga chart 96004 (14TH ed)

Japan Sea · HYDROPAC 1735/08

What this record establishes

Archived notice · 2008-09-08 13:07Z

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 XI 492/08 06 SEP 08.. Issued 2008-09-07 06:59Z. 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
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 →

Activity windows · 5 in this warning

opens (UTC)closes (UTC)locallength
2008-09-10 04:00Z2008-09-10 14:00Z—10 h
2008-09-11 04:00Z2008-09-11 14:00Z—10 h
2008-09-12 04:00Z2008-09-12 14:00Z—10 h
2008-09-13 04:00Z2008-09-13 14:00Z—10 h
2008-09-14 04:00Z2008-09-14 14:00Z—10 h

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

issued
2008-09-07 06:59Z
status
Archived notice
self-cancels
2008-09-14 15:00Z
authority
NAVAREA XI 492/08 06 SEP 08.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Japan Sea
position
42.167, 132.746
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NGA CHART 96004 (14TH ED).
1. NAVIGATION PROHIBITED 0400Z TO 1400Z DAILY
   10 THRU 14 SEP IN AREA BOUND BY
   42-00N 132-20E, 42-10N 132-00E,
   42-20N 132-20E, 42-20N 133-20E,
   42-00N 133-20E.
2. CANCEL THIS MSG 141500Z SEP.

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.
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

11 within 180 nm since 2003 · 0 in the last 12 months · 0 listed in force now

03
05
10
15
20
22

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 21:18Z; 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.