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 260/22 · Wrecks2022-09-06 → 2026-08-14
    A 16-meter shoal is located at 68-19.50N 100-46.86W in Queen Maud Gulf, Canada.
  2. HYDROARC 252/22 · Nav aids2022-08-31 → 2022-09-26
    Mcts iqaluit remote station cambridge bay 69-07.00N 105-01.00W hf transmit services off air
  3. HYDROARC 251/22 · Wrecks2022-08-30 → 2023-04-28
    22 meter depth reported in 69-39.05N 120-45.29W
  4. HYDROARC 249/22 · Nav aids2022-08-30 → 2022-09-30
    Taylor point RACON, 69-37.30N 095-35.50W out of service
  5. HYDROARC 235/22 · Surveys2022-08-24 → 2026-08-14
    Scientific moorings are established in Queen Maud Gulf, Canada at three positions with top floats at four, twenty, and four meters.
  6. HYDROARC 232/22 · Surveys2022-08-22 → 2022-08-26
    Scientific mooring, top float three meters above sea floor, established in 68-48.92N 105-06.56W
  7. HYDROARC 231/22 · Surveys2022-08-22 → 2022-08-26
    Scientific mooring, top float seven meters above sea floor, established in 68-55.92N 105-49.71W
  8. HYDROARC 228/22 · Surveys2022-08-21 → 2026-08-14
    Scientific moorings with top floats 15 meters below surface are established at two positions in Coronation Gulf, Canada.
  9. HYDROARC 224/22 · Surveys2022-08-19 → 2026-08-14
    A scientific mooring with top float 15 meters below surface is established in Coronation Gulf, Canada at 68-20.75N 112-21.12W.
  10. HYDROARC 223/22 · Surveys2022-08-19 → 2026-08-14
    A scientific mooring with its top float 15 meters below the surface has been established in Coronation Gulf, Canada at 67-53.89N 111-21.21W.
  11. HYDROARC 210/22 · Surveys2022-08-16 → 2022-10-03
    Scientific mooring, top float two meters above sea floor, established in 72-02.18N 080-33.37W
  12. HYDROARC 188/22 · Other2022-08-04 → 2022-10-24
    Mcts iqaluit remote station resolute 74-44.78N 095-00.18W hf frequency 4363 khz unable to transmit
  13. HYDROARC 174/22 · Nav aids2022-07-23 → 2022-08-01
    Mcts iqaluit remote station cambridge bay 69-07.00N 105-01.00W mf and hf transmit services off air
  14. HYDROARC 173/22 · Nav aids2022-07-23 → 2022-07-23
    Mcts iqaluit remote station cambridge bay 69-07.00N 105-01.00W transmit services off air
  15. HYDROARC 299/21 · Nav aids2021-10-25 → 2021-12-31
    Mcts iqaluit remote station resolute 74-45N 094-58W mf and hf off air
  16. HYDROARC 270/21 · Surveys2021-10-07 → 2022-03-25
    Scientific mooring, top float 37 meters, established in 70-42.59N 117-51.21W
  17. HYDROARC 263/21 · Nav aids2021-10-02 → 2021-10-02
    Mcts iqaluit remote station resolute 74-45N 094-58W mf and hf services off air
  18. HYDROARC 243/21 · Nav aids2021-09-21 → 2021-11-09
    Mcts iqaluit remote station resolute 74-45N 094-58W off air
  19. HYDROARC 232/21 · Surveys2021-09-15 → 2022-03-18
    Scientific mooring, top float 630 meters below surface, established 72-44.46N 076-19.73W
  20. HYDROARC 231/21 · Surveys2021-09-15 → 2021-09-17
    Scientific mooring, top float 675 meters below surface, established 72-46.4N 078-40.2W

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