The Northwestern Passages

IHO sea area 14 · -128° to -69° E, 64° to 82° N

in force
3
last 12 months
3
since 2006
212
categories
6

In force now · 3

  1. HYDROARC 178/25 · Wrecks2025-10-01
    Depths reported in Franklin Strait and McClintock Channel, Canada, range from 11.3 to 29.3 meters.
  2. HYDROARC 175/25 · Wrecks2025-09-29
    A reported depth of 33.6 meters in McClintock Channel, Canada at 76-40.36N 102-16.62W.
  3. HYDROARC 148/25 · Wrecks2025-08-31
    A depth of 13.6 meters is reported in Lancaster Sound, Canada at 74-38.63N 091-20.54W.

Longest in force

  1. HYDROARC 148/25 · Wrecks2025-08-31
    A depth of 13.6 meters is reported in Lancaster Sound, Canada at 74-38.63N 091-20.54W.
  2. HYDROARC 175/25 · Wrecks2025-09-29
    A reported depth of 33.6 meters in McClintock Channel, Canada at 76-40.36N 102-16.62W.
  3. HYDROARC 178/25 · Wrecks2025-10-01
    Depths reported in Franklin Strait and McClintock Channel, Canada, range from 11.3 to 29.3 meters.

By year

06
08
10
11
12
13
14
15
16
17
18
19
20
21
22
23
25

By month (all years)

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

By category · since 1997

Nav aids6732%
Wrecks4823%
Other4722%
Surveys4722%
Exercises21%
Derelicts10%

Archive · 209 cancelled

  1. HYDROARC 18/08 · Wrecks2008-11-25 → 2010-07-03
    Nga chart 15630 (1ST ed)
  2. HYDROARC 15/08 · Wrecks2008-09-06 → 2010-07-02
    Nga chart 15953 (0 ed)
  3. HYDROARC 14/08 · Wrecks2008-09-06 → 2010-07-02
    Nga chart 15564 (1ST ed)
  4. HYDROARC 10/08 · Surveys2008-09-05 → 2010-07-04
    Bottom scientific moorings established: a. top float 117 meters 72-00.48N 094-38.74W
  5. HYDROARC 8/08 · Surveys2008-09-05 → 2009-09-01
    Bottom scientific moorings established thru aug 09: a. top float 125 meters ACW07-1 in 76-32.057N 090-28.450W
  6. HYDROARC 6/08 · Surveys2008-09-05 → 2011-05-21
    Scientific mooring temporarily established in 68-38.695N 101-44.957W
  7. HYDROARC 5/08 · Surveys2008-09-05 → 2010-08-08
    Scientific mooring temporarily established in 68-39.082N 097-44.872W
  8. HYDROARC 21/06 · Surveys2006-10-21 → 2010-07-04
    Scientific mooring, top float 28 meters established in 70-58.4N 126-06.7W
  9. HYDROARC 19/06 · Surveys2006-10-21 → 2010-07-02
    Scientific mooring, top float 30 meters established in 70-38.9N 127-32.8W

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.