Wrecks

Sheringham shoal wind farm turbines unlit in: a. 53-10.40N 001-04.80E

North Sea · HYDROLANT 484/23

What this record establishes

Archived notice · 2023-03-03 14:39Z

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 166/23 021901Z MAR 23.. Issued 2023-03-02 20:53Z. 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
North Sea. The parsed report position is 53.158, 1.090. 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 Sea →

issued
2023-03-02 20:53Z
status
Archived notice
authority
WZ 166/23 021901Z MAR 23.
issued by
WZ
sea
North Sea
position
53.158, 1.090
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
ENGLAND.
DNC 20.
SHERINGHAM SHOAL WIND FARM
TURBINES UNLIT IN:
   A. 53-10.40N 001-04.80E.
   B. 53-08.60N 001-06.00E.

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.
Shoal / reported depth
Water shallower than the chart shows — a newly found shoal, a reported depth, or less water than charted.
Offshore wind farm
Construction or maintenance at an offshore wind farm: turbine foundations, jack-up vessels and export cables.
Unlit / extinguished
A light, buoy or structure that is not showing its charted light.
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

197 within 180 nm since 1998 · 0 in the last 12 months · 0 listed in force now

98
00
05
10
15
20
23

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

J
F
M
A
M
J
J
A
S
O
N
D

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

37 wrecks & obstructions listed in force · see all

Record snapshot 2026-09-24 23:41Z; 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.