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 215/12 · Nav aids2012-10-14 → 2012-10-28
    Iqaluit mcts remote station resolute 74-44.8N 095-00.2W off air for season at 152000Z oct
  2. HYDROARC 150/12 · Surveys2012-08-29 → 2012-09-12
    Victoria Strait
  3. HYDROARC 147/12 · Surveys2012-08-28 → 2012-09-12
    Victoria Strait
  4. HYDROARC 144/12 · Surveys2012-08-27 → 2013-09-13
    Rasmussen Basin
  5. HYDROARC 140/12 · Other2012-08-25 → 2012-08-26
    Inuvik mcts centre remote station cambridge bay 69-07N 105-03W inoperative
  6. HYDROARC 125/12 · Other2012-08-16 → 2012-08-25
    Inuvik mcts centre frequency 2182 khz at remote station cambridge bay 69-07N 105-03W inoperative
  7. HYDROARC 112/12 · Surveys2012-08-06 → 2018-11-08
    Beaufort Sea
  8. HYDROARC 96/12 · Other2012-07-27 → 2012-08-02
    Inuvik mcts remote station cambridge bay 69-07.0N 105-03.2W inoperative
  9. HYDROARC 95/12 · Nav aids2012-07-26 → 2012-11-03
    Iqaluit mcts remote station resolute 74-44.8N 095-00.2W dsc hf 16 inoperative
  10. HYDROARC 80/12 · Nav aids2012-07-13 → 2012-08-13
    Requisite Channel
  11. HYDROARC 79/12 · Nav aids2012-07-13 → 2012-08-13
    Requisite Channel
  12. HYDROARC 178/11 · Wrecks2011-09-17 → 2012-07-01
    Nga chart 15888 (0 ed)
  13. HYDROARC 173/11 · Surveys2011-09-16 → 2012-08-26
    Nga chart 15881 (0 ed)
  14. HYDROARC 172/11 · Other2011-09-16 → 2011-09-17
    Iqaluit mcts remote station, cambridge bay 69-07.0N 105-03.2W inoperative
  15. HYDROARC 171/11 · Wrecks2011-09-16 → 2011-09-17
    Nga chart 15887 (0 ed)
  16. HYDROARC 167/11 · Wrecks2011-09-14 → 2011-09-15
    Nga chart 15662 (0 ed)
  17. HYDROARC 161/11 · Wrecks2011-09-08 → 2013-07-27
    Roch Basin
  18. HYDROARC 144/11 · Wrecks2011-08-28 → 2012-07-01
    Nga chart 15744 (1ST ed)
  19. HYDROARC 136/11 · Surveys2011-08-22 → 2011-08-29
    Nga chart 15880 (0 ed)
  20. HYDROARC 133/11 · Surveys2011-08-19 → 2011-09-15
    Nga chart 15881 (0 ed)

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