Wrecks

Shoals reported in: a. 24.5 meters 69-01.4N 105-12.8W

The Northwestern Passages · HYDROARC 225/18

What this record establishes

Archived notice · 2019-06-14 12:43Z

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 92/18 062216Z SEP 18.. Issued 2018-09-06 22:35Z. 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 69.045, -105.085. 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

These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.

  1. HYDROARC 214/182018-08-29 · Archived notice
  2. HYDROARC 225/18 · this notice2018-09-06 · Archived notice
Compare all 2 notices, changes and original texts →

Current notices and reporting history in the The Northwestern Passages →

issued
2018-09-06 22:35Z
status
Archived notice
authority
NAVAREA XVIII 92/18 062216Z SEP 18.
NAVAREA
NAVAREA XVIII · named as the source of this relay
sea
The Northwestern Passages
position
69.045, -105.085
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

DEESE STRAIT.
CANADA.
DNC 28.
CHART 15563.
1. SHOALS REPORTED IN:
   A. 24.5 METERS 69-01.4N 105-12.8W.
   B. 11.5 METERS 69-03.1N 105-07.7W.
   C. 8.2 METERS 69-03.1N 105-06.7W.
   D. 4.1 METERS 69-03.0N 105-05.0W.
   E. 10.3 METERS 69-02.8N 105-02.2W.
   F. 3.4 METERS 69-02.8N 105-01.6W.
   G. 5.4 METERS 69-02.7N 104-59.7W.
2. CANCEL HYDROARC 214/18.

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.
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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROARC
The U.S. long-range warning series for the Arctic Ocean.

All warning terms →

Collected reports in this area · wrecks & obstructions

25 within 180 nm since 2008 · 0 in the last 12 months · 0 listed in force now

08
10
15
20
22

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

Worldwide in the collected sources

38 wrecks & obstructions listed in force · see all

Record snapshot 2026-10-02 06:20Z; 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.