Depths reported: a. 9.9 meters in 52-46.96N 004-42.05W
Irish Sea and St. George's Channel · HYDROLANT 1990/20
What this record establishes
Archived notice · 2020-07-30 19:12Z
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 655/20 182023Z JUN 20.. Issued 2020-06-18 21:01Z. 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 52.687, -4.581. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROLANT 1990/20 and this msglater cancellation notice
Current notices and reporting history in the Irish Sea and St. George's Channel →
- issued
- 2020-06-18 21:01Z
- status
- Archived notice
- authority
- WZ 655/20 182023Z JUN 20.
- issued by
- WZ
- sea
- Irish Sea and St. George's Channel
- position
- 52.687, -4.581
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
CARDIGAN BAY. WALES. DNC 20. DEPTHS REPORTED: A. 9.9 METERS IN 52-46.96N 004-42.05W. B. 20.8 METERS IN 52-45.27N 004-37.80W. C. 15.9 METERS IN 52-40.80N 004-34.87W. D. 18.0 METERS IN 52-40.27N 004-31.59W. E. 17.4 METERS IN 52-38.64N 004-35.09W. F. 16.8 METERS IN 52-36.79N 004-36.01W. G. 17.3 METERS IN 52-35.57N 004-33.77W. H. 14.6 METERS IN 52-45.24N 004-27.82W.
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.
- 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.
Collected reports in this area · wrecks & obstructions
113 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.
- Dangerous wreck in 54-12.68N 004-16.44W2024-05-02
- Dangerous wreck in 50-32.38N 003-11.79W2024-04-17
- 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 in vicinity 50-39.00N 001-37.50W2023-07-24
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 23:04Z; 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.