Wrecks

Shoals reported in McClintock Channel, Canada, at multiple positions with depths from 20.2 to 31.7 meters.

The Northwestern Passages · HYDROARC 293/22

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) · NAVAREA XVIII 99/22 260400Z SEP 22.. Issued 2022-09-26 08:15Z. 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: The Northwestern Passages. The parsed report position is 69.991, -97.685. 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 The Northwestern Passages →

issued: 2022-09-26 08:15Z
status: Cancelled notice
authority: NAVAREA XVIII 99/22 260400Z SEP 22.
NAVAREA: NAVAREA XVIII · named as the source of this relay
sea: The Northwestern Passages
position: 69.991, -97.685
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:41Z

Original warning text

MCCLINTOCK CHANNEL.
CANADA.
DNC 28.
SHOALS REPORTED IN:
A. 31.7 METERS, 70-03.31N 097-42.44W.
B. 20.9 METERS, 70-03.00N 097-19.39W.
C. 20.2 METERS, 69-57.60N 097-58.25W.
D. 23.4 METERS, 69-53.97N 097-44.35W.

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.

All warning terms →

Collected reports in this area · wrecks & obstructions

29 within 180 nm since 2011 · 1 in the last 12 months · 1 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.

Depths reported: a. 29.3 meters in 71-22.82N 096-41.27W2025-10-01
Shoals reported in: a. 13.2 meters, 68-25.76N 096-37.35W2022-10-18
14 meter shoal in 68-36.32N 095-21.40W2022-09-08
16 meter shoal in 68-19.50N 100-46.86W2022-09-06
13.7 meter shoal in 69-01.48N 100-58.36W2021-09-02
23.8 meter shoal in 68-58.95N 101-08.32W2021-09-02

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

Depths reported: a. 29.3 meters in 71-22.82N 096-41.27WWrecks · 83.8 nm

Worldwide in the collected sources

38 wrecks & obstructions listed in force · see all

Record snapshot 2026-09-27 19:52Z; 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.