Restricted

Navigation prohibited until 241600Z apr in area bound by 35-29N 001-14W, 35-17N 001-50W, 35-53N 001-50W,…

Alboran Sea · HYDROLANT 811/03

What this record establishes

Archived notice · 2003-04-24 17:00Z

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 III 299/03 210000Z APR 03. Issued 2003-04-21 00:33Z. 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: Alboran 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 Alboran Sea →

issued: 2003-04-21 00:33Z
status: Archived notice
self-cancels: 2003-04-24 17:00Z
authority: NAVAREA III 299/03 210000Z APR 03
NAVAREA: NAVAREA III · named as the source of this relay
sea: Alboran Sea
position: 35.581, -1.571
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

CHART 52060 (16TH ED).
1. NAVIGATION PROHIBITED UNTIL 241600Z APR IN AREA
   BOUND BY 35-29N 001-14W, 35-17N 001-50W,
   35-53N 001-50W, 35-38N 001-08W.
2. CANCEL THIS MSG 241700Z APR.

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.
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.
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.

All warning terms →

Collected reports in this area · restricted areas & port closures

12 within 180 nm since 2003 · 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.

Nga chart 52040 (18TH ed)2010-06-10
Nga chart 52040 (18TH ed)2008-07-31
Nga chart 52040 (18TH ed)2008-03-27
Navigation prohibited 290001Z to 302359Z jan in area bound by 35-31.5N 001-15.4W, 35-34.4N 001-13.5W,…2008-01-28
Navigation prohibited until further notice in area bound by 35-50.0N 005-21.2W, 35-50.3N 005-13.7W, 35-36.5N…2007-07-30
Nga chart 52040 (18TH ed)2007-07-20

Month of issue in the collected archive

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 2026-10-04 01:17Z; 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.