Other

All services unreliable at U.S. Coast Guard remote communication facilities at Boston, Charleston, Chesapeake, Miami, New Orleans, and San Juan.

North Atlantic Ocean · NAVAREA IV 460/24

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 Atlantic Ocean. The parsed report position is 30.874, -77.150. 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 Atlantic Ocean →

issued: 2024-04-23 20:09Z
status: Cancelled notice
authority: COGARD COMMUNICATIONS COMMAND 0/24 232001Z APR 24.
NAVAREA: NAVAREA IV
issued by: COGARD COMMUNICATIONS COMMAND
sea: North Atlantic Ocean
position: 30.874, -77.150
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:41Z

Original warning text

ALL SERVICES UNRELIABLE AT USCG REMOTE
COMMUNICATION FACILITIES:
A. BOSTON (F) 41-42.80N 070-30.30W.
B. CHARLESTON (E) 32-50.70N 079-57.00W.
C. CHESAPEAKE (N) 36-43.70N 076-00.60W.
D. MIAMI (A) 25-37.40N 080-23.40W.
E. NEW ORLEANS (G) 29-53.10N 089-56.70W.
F. SAN JUAN (R) 18-27.00N 066-06.00W.

Reading this warning

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

All warning terms →

Collected reports in this area · other warnings

17 within 180 nm since 1999 · 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

Broadcast and communication services unreliable at uscg remote communication facilities: a. boston 41-43.00N…Nav aids · 17.3 nm

Worldwide in the collected sources

23 other warnings listed in force · see all

Record snapshot 2026-10-01 21:08Z; 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.