Restricted

Navigation prohibited in 12-40.43S 045-08.46E until 26 mar

Mozambique Channel · HYDROPAC 1006/23

What this record establishes

Archived notice · 2023-03-27 00:01Z

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 VII 90/23 241332Z MAR 23.. Issued 2023-03-24 14:21Z. 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: Mozambique Channel. The parsed report position is -12.674, 45.141. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Mozambique Channel →

issued: 2023-03-24 14:21Z
status: Archived notice
self-cancels: 2023-03-27 00:01Z
authority: NAVAREA VII 90/23 241332Z MAR 23.
NAVAREA: NAVAREA VII · named as the source of this relay
sea: Mozambique Channel
position: -12.674, 45.141
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

MOZAMBIQUE CHANNEL.
MAYOTTE.
DNC 02.
1. NAVIGATION PROHIBITED IN 12-40.43S 045-08.46E
   UNTIL 26 MAR.
2. CANCEL THIS MSG 270001Z MAR 23.

Reading this warning

DNC (Digital Nautical Chart): A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
Navigation prohibited: Ships may not enter or pass through the area, or a port is closed to traffic.
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

1 within 180 nm since 2023 · 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

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

NAVAREA VII 267 of 2026 : (23 sep 26) 1. indian ocean - sw sector - offshore mayotte 2. chart san 1 3. rv…Surveys · 38.6 nm

Worldwide in the collected sources

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

Record snapshot 2026-10-01 07:06Z; 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.