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Reports from maritime forces and commerical maritime interests indicate concern with the potential for…

Strait of Hormuz · HYDROPAC 3581/11

What this record establishes

Archived notice · 2012-02-11 10:20Z

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) · MARAD ADVISORY 7/11 232042Z DEC 11.. Issued 2011-12-23 21:04Z. 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
Strait of Hormuz. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
issued
2011-12-23 21:04Z
status
Archived notice
authority
MARAD ADVISORY 7/11 232042Z DEC 11.
issued by
MARAD ADVISORY
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

STRAIT OF HORMUZ.
1. REPORTS FROM MARITIME FORCES AND COMMERICAL
   MARITIME INTERESTS INDICATE CONCERN WITH THE
   POTENTIAL FOR LOCALIZED DISRUPTION TO SHIPPING
   IN CONJUNCTION WITH FUTURE IRANIAN NAVAL
   EXERICISES. DURING PREVIOUS EXERCISES IRANIAN
   MARITIME FORCES CONDUCTED BOARDINGS AND
   INSPECTIONS OF MERCHANT SHIPS, INCLUDING THOSE
   FLAGGED TO EUROPEAN NATIONS. THE POSSIBILITY
   EXISTS THAT IRAN WILL ATTEMPT TO CONDUCT BOARDINGS
   AND INSPECTIONS DURING EXERCISES BETWEEN DEC 2011
   AND MAR 2012. THE MOST LIKELY LOCATION FOR
   THIS ACTIVITY WOULD BE IN THE VICINITY OF THE
   STRAIT OF HORMUZ, PARTICULARLY IN AREAS CLOSER
   TO IRANIAN TERRITORIAL WATERS.
2. IF A US FLAG VESSEL IS HAILED FOR BOARDING BY THE
   IRANIAN NAVY IN INTERNATIONAL WATERS, THE SHIP'S
   MASTER SHOULD "PROTEST BUT COMPLY",
   IF CIRCUMSTANCES WARRANT.
3. US FLAG VESSELS ARE ADVISED TO REPORT INCIDENTS TO
   THE COMUSNAVCENT BATTLEWATCH CAPTAIN (MARITIME
   OPERATIONS CENTER) AT 011 973 1785 3879 AND
   MARLO BAHRAIN AT 011 973 3940 1395.
4. FOR FURTHER INFORMATION REGARDING THIS ADVISORY,
   CONTACT CAPTAIN ROBERT FORD, MARITIME ADMINISTRATION,
   OFFICE OF SECURITY, CODE: MAR-420, ROOM W25-308,
   1200 NEW JERSEY AVE, S.E., WASHINGTON, DC 20590,
   PHONE: 202 366 0223, FAX: 202 366 3954,
   TELEX: 710 822 9426 (MARAD DOT WSH) OR
   E-MAIL: MARADSECURITY@DOT.GOV.

Nearby notices listed in force · within 120 nm

No parsed position is available for this comparison.

Worldwide in the collected sources

23 other warnings listed in force · see all

Record snapshot 2026-10-02 01:16Z; source collection times vary.

Other

Everything the classifier did not place elsewhere. All current other warnings →

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.