Other

A United States Coast Guard communication facility in Guam at 13-28.60N 144-50.10E has all services unreliable.

North Pacific Ocean · HYDROPAC 1335/24

What this record establishes

Cancelled notice · 2026-08-14 18:10Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · COGARD COMMUNICATIONS COMMAND 0/24 232001Z APR 24.. Issued 2024-04-23 20:09Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-17 15:50Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: North Pacific Ocean. The parsed report position is 13.477, 144.835. 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 North Pacific Ocean →

issued: 2024-04-23 20:09Z
status: Cancelled notice
authority: COGARD COMMUNICATIONS COMMAND 0/24 232001Z APR 24.
issued by: COGARD COMMUNICATIONS COMMAND
sea: North Pacific Ocean
position: 13.477, 144.835
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:41Z

Original warning text

WESTERN NORTH PACIFIC.
GUAM.
DNC 12.
USCG COMMUNICATION FACILITY GUAM (V)
13-28.60N 144-50.10E ALL SERVICES UNRELIABLE.

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.
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.
Inoperative / unreliable / off air: An aid or radio service is not working as charted or published.

All warning terms →

Collected reports in this area · other warnings

86 within 180 nm since 2000 · 3 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

Uscg remote communication facility guam 13-29.00N 144-50.00E broadcast and communication services unreliableNav aids · 0.4 nm
Guam hf NAVTEX station, V, 13-29.0N 144-50.0E, off airNav aids · 0.4 nm
Hazardous operations 252000Z to 261000Z sep in area bound by 13-32.00N 144-04.00E, 13-32.00N 144-27.00E,…Exercises · 35.2 nm
Due to tropical storm bavi: 1. the following port(s) are closed: a. rota island 14-08.35N 145-08.09EStorms · 46.1 nm
Due to tropical storm, the following ports are closed, until further noticeStorms · 109 nm
Hazardous operations 2200Z to 1000Z daily 28 thru 30 sep in area bound by 12-40.00N 144-45.00E, 11-00.00N…Exercises · 117.6 nm
Hazardous operations 292300Z to 300900Z sep and 302300Z sep to 010700Z oct in area bound by 12-40.00N…Exercises · 117.6 nm

Worldwide in the collected sources

23 other warnings listed in force · see all

Record snapshot 2026-10-02 01:28Z; 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.