Shoals reported: a. 12.4 meters in 69-53.47N 083-23.07W
The Northwestern Passages · HYDROARC 212/23
What this record establishes
Archived notice · 2023-09-26 17:05Z
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) · NAVAREA XVIII 64/23 120246Z SEP 23.. Issued 2023-09-12 03:05Z. 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
- The Northwestern Passages. The parsed report position is 69.868, -83.329. 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 HYDROARC 212/23 and this msglater cancellation notice
Current notices and reporting history in the The Northwestern Passages →
- issued
- 2023-09-12 03:05Z
- status
- Archived notice
- authority
- NAVAREA XVIII 64/23 120246Z SEP 23.
- NAVAREA
- NAVAREA XVIII · named as the source of this relay
- sea
- The Northwestern Passages
- position
- 69.868, -83.329
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
CANADA. DNC 28. SHOALS REPORTED: A. 12.4 METERS IN 69-53.47N 083-23.07W. B. 15.9 METERS IN 69-53.14N 083-25.44W. C. 22.6 METERS IN 69-51.02N 083-17.49W. D. 23.4 METERS IN 69-50.76N 083-12.93W.
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
4 within 180 nm since 2008 · 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.
- 5.2 meter depth reported in 69-43N 091-21W2018-08-28
- Nga chart 15641 (0 ed)2010-07-03
- Nga chart 15630 (1ST ed)2008-11-25
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 2026-10-01 20:27Z; 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.