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 166/20 · Nav aids2020-09-03 → 2020-09-03
    Mcts iqaluit remote station resolute 74-45N 094-58W off air
  2. HYDROARC 164/20 · Nav aids2020-09-02 → 2020-09-02
    Mcts iqaluit remote station resolute 74-45N 094-58W off air
  3. HYDROARC 146/20 · Nav aids2020-08-12 → 2020-08-12
    Mcts iqaluit remote station resolute 74-45N 094-58W off air
  4. HYDROARC 144/20 · Nav aids2020-08-11 → 2020-08-11
    Mcts iqaluit remote station resolute 74-45N 094-58W mf receive services off air
  5. HYDROARC 134/20 · Nav aids2020-08-04 → 2020-08-11
    Mcts iqaluit remote station resolute 74-45N 094-58W mf services inoperative
  6. HYDROARC 272/19 · Nav aids2019-11-01 → 2019-11-01
    Mcts iqaluit remote station resolute 74-45N 094-58W off air for the season at 020001Z nov
  7. HYDROARC 269/19 · Nav aids2019-10-28 → 2019-11-01
    Mcts iqaluit remote station cambridge bay 69-07N 105-01W off air at 291400Z oct
  8. HYDROARC 254/19 · Nav aids2019-10-10 → 2019-10-11
    Mcts iqaluit remote station resolute 74-45N 094-58W off air 101432Z to 102332Z oct
  9. HYDROARC 249/19 · Nav aids2019-10-09 → 2019-10-09
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W mf and hf r/t off air 091300Z to 092100Z oct
  10. HYDROARC 214/19 · Wrecks2019-09-13 → 2019-10-25
    Three meter shoal in 69-08.65N 113-47.87W
  11. HYDROARC 197/19 · Wrecks2019-09-03 → 2019-09-13
    5.4 meter shoal in 68-28.50N 111-03.66W
  12. HYDROARC 176/19 · Wrecks2019-08-19 → 2019-09-13
    6.3 meter shoal in 68-35.41N 111-01.28W
  13. HYDROARC 157/19 · Nav aids2019-08-04 → 2019-08-04
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W mf and hf r/t inoperative until further notice at…
  14. HYDROARC 155/19 · Nav aids2019-08-02 → 2019-08-02
    Mcts iqaluit remote station resolute 74-45N 094-58W mf and hf services inoperative
  15. HYDROARC 148/19 · Other2019-07-29 → 2019-07-30
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative
  16. HYDROARC 147/19 · Other2019-07-29 → 2019-07-29
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative
  17. NAVAREA IV 660/19 · Other2019-07-28 → 2019-07-29
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative
  18. HYDROARC 144/19 · Other2019-07-28 → 2019-07-29
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative
  19. HYDROARC 301/18 · Surveys2018-11-08 → 2019-04-05
    Bottom scientific mooring extending 3.5 meters above sea floor established in 70-33.81N 127-41.57W at depth…
  20. HYDROARC 256/18 · Surveys2018-10-03 → 2019-04-05
    Scientific mooring, top float 348 meters below surface, established in 70-12.06N 123-09.47W

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