Wrecks

Obstruction marked by buoy, yellow, fl y 5 sec, in 54-46.3N 003-42.1W

Irish Sea and St. George's Channel · HYDROLANT 3114/15

What this record establishes

Archived notice · 2017-01-27 19:01Z

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) · WZ 1449/15 161250Z DEC 15.. Issued 2015-12-16 14:00Z. 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: Irish Sea and St. George's Channel. The parsed report position is 54.772, -3.702. 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 Irish Sea and St. George's Channel →

issued: 2015-12-16 14:00Z
status: Archived notice
authority: WZ 1449/15 161250Z DEC 15.
issued by: WZ
sea: Irish Sea and St. George's Channel
position: 54.772, -3.702
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

IRISH SEA.
DNC 20.
CHART 36025.
OBSTRUCTION MARKED BY BUOY, YELLOW, FL Y 5 SEC,
IN 54-46.3N 003-42.1W.

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.
Chart reference: The number of the nautical chart on which the reported position lies.
Submerged obstruction: Something on or near the seabed that could damage a ship, an anchor or fishing gear — its nature often unknown.
Light characteristic: The coded description of a light — FL W 10 SEC 8 METERS 8 MILES — giving its rhythm, colour, period, height and range.
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 · wrecks & obstructions

101 within 180 nm since 1998 · 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.

Dangerous wreck in 54-12.68N 004-16.44W2024-05-02
Dangerous wreck in 54-12.68N 004-16.44W2024-03-21
Dangerous wreck in 54-12.68N 004-16.44W2024-03-21
Dangerous wreck in 54-12.70N 004-16.40W2024-02-08
Dangerous wreck, least depth 19.3 meters, in 56-38.80N 002-26.20W2022-06-10
Dangerous wreck, least depth 19.3 meters, in 56-38.8N 002-26.2W2022-04-29

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

38 wrecks & obstructions listed in force · see all

Record snapshot 2026-10-02 23:28Z; source collection times vary.

Wrecks

Dangerous wrecks, shoals and submerged obstructions. All current wrecks & obstructions →

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.