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 255/18 · Surveys2018-10-03 → 2019-04-05
    Scientific mooring, top float 149 meters below surface, established in 70-23.62N 124-32.43W
  2. HYDROARC 235/18 · Other2018-09-13 → 2018-10-30
    Mcts iqaluit remote station resolute 74-45N 094-58W frequency 16804.5 khz and 16695.0 khz inoperative
  3. HYDROARC 233/18 · Nav aids2018-09-13 → 2018-09-13
    Mcts iqaluit remote station cambridge bay 69-07N 105-01W hf, mf off air
  4. HYDROARC 229/18 · Wrecks2018-09-11 → 2019-06-14
    Shoals reported in: a. 8.2 metres, 68-38.5N 101-46.1W
  5. HYDROARC 225/18 · Wrecks2018-09-06 → 2019-06-14
    Shoals reported in: a. 24.5 meters 69-01.4N 105-12.8W
  6. HYDROARC 214/18 · Wrecks2018-08-29 → 2018-09-06
    Shoals reported in: a. 24.5 meters 69-01.4N 105-12.8W
  7. HYDROARC 212/18 · Wrecks2018-08-28 → 2018-11-02
    5.2 meter depth reported in 69-43N 091-21W
  8. HYDROARC 199/18 · Nav aids2018-08-20 → 2018-08-26
    Mcts iqaluit remote station resolute 74-45N 094-58W mf and hf transmit services inoperative
  9. HYDROARC 170/18 · Nav aids2018-08-03 → 2018-10-30
    Mcts iqaluit remote station resolute 74-45N 094-58W r/t and hf dsc inoperative
  10. HYDROARC 158/18 · Other2018-07-18 → 2018-08-20
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative
  11. NAVAREA IV 462/18 · Other2018-06-08 → 2018-07-20
    Radiofacsimile frequencies 3253 khz, 4292 khz, 7710 khz and 8456 khz discontinued at mcts iqaluit: a. center…
  12. HYDROARC 114/18 · Other2018-06-08 → 2018-09-07
    Radiofacsimile frequencies 3253 khz, 4292 khz, 7710 khz and 8456 khz discontinued at mcts iqaluit: a. center…
  13. NAVAREA IV 459/18 · Other2018-06-07 → 2018-06-08
    Radiofacsimile frequencies 3253 khz and 7710 khz discontinued at 071600Z jun at mcts iqaluit: a. center…
  14. HYDROARC 111/18 · Other2018-06-07 → 2018-06-08
    Radiofacsimile frequencies 3253 khz and 7710 khz discontinued at 071600Z jun at mcts iqaluit: a. center…
  15. HYDROARC 307/17 · Surveys2017-09-28 → 2018-10-03
    Scientific moorings established in: a. 71-18.66N 127-35.62W, top float 75 meters
  16. HYDROARC 288/17 · Surveys2017-09-21 → 2019-04-05
    Canada DNC 28
  17. HYDROARC 267/17 · Wrecks2017-09-12 → 2019-01-04
    4.27 meter depth reported in 68-24.82N 096-21.65W
  18. HYDROARC 249/17 · Other2017-09-04 → 2017-09-10
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative
  19. HYDROARC 245/17 · Other2017-09-03 → 2017-09-03
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative
  20. HYDROARC 242/17 · Other2017-09-02 → 2017-09-02
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative

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