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 280/23 · Nav aids2023-11-01 → 2023-11-15
    Mcts iqaluit remote station resolute 74-45N 094-58W off air
  2. HYDROARC 279/23 · Nav aids2023-11-01 → 2023-11-15
    Mcts iqaluit remote station cambridge bay 69-07.00N 105-01.00W off air
  3. HYDROARC 272/23 · Wrecks2023-10-27 → 2026-08-14
    A 13.9 meter shoal is located in Lancaster Sound, Canada at 73 degrees 43 minutes north, 81 degrees 13 minutes west.
  4. HYDROARC 256/23 · Nav aids2023-10-16 → 2023-10-17
    Mcts iqaluit remote station resolute 74-45.00N 094-58.00W r/t frequencies 2582 khz and 4363 khz off air
  5. HYDROARC 243/23 · Nav aids2023-10-05 → 2026-08-14
    Front and rear range lights at Resolute Bay, Canada, are unlit; coordinates 74-41.20N 094-48.00W and 74-41.30N 094-48.00W.
  6. HYDROARC 240/23 · Surveys2023-10-02 → 2026-08-14
    A scientific mooring with a top float at 30 meters is established in Lancaster Sound, Canada, at 74-27.83N 090-32.81W.
  7. HYDROARC 239/23 · Surveys2023-10-02 → 2026-08-14
    A scientific mooring with a top float at 30 meters is located in Lancaster Sound, Canada at 74 degrees 08.75 minutes north, 091 degrees 02.83 minutes west.
  8. HYDROARC 212/23 · Wrecks2023-09-12 → 2023-09-26
    Shoals reported: a. 12.4 meters in 69-53.47N 083-23.07W
  9. HYDROARC 154/23 · Nav aids2023-08-09 → 2023-11-01
    Mcts iqaluit remote station cambridge bay 69-07.00N 105-01.00W mf and hf services off air
  10. HYDROARC 151/23 · Nav aids2023-08-05 → 2023-08-09
    Mcts iqaluit remote station cambridge bay 69-07.00N 105-01.00W hf r/t transmit services off air
  11. HYDROARC 138/23 · Nav aids2023-07-24 → 2023-10-16
    Mcts iqaluit remote station resolute 74-45.00N 094-58.00W hf r/t services off air
  12. HYDROARC 109/23 · Nav aids2023-06-12 → 2023-09-29
    Mcts iqaluit remote station resolute 74-45N 094-58W hf and dsc services off air
  13. HYDROARC 333/22 · Nav aids2022-10-24 → 2022-11-09
    Mcts iqaluit remote station cambridge bay 69-07.00N 105-01.00W off air for season at 251700Z oct
  14. HYDROARC 332/22 · Nav aids2022-10-24 → 2022-11-09
    Mcts iqaluit remote station resolute 74-44.78N 095-00.18W off air for season at 251600Z oct
  15. HYDROARC 325/22 · Wrecks2022-10-18 → 2023-04-28
    Shoals reported in: a. 13.2 meters, 68-25.76N 096-37.35W
  16. HYDROARC 293/22 · Wrecks2022-09-26 → 2026-08-14
    Shoals reported in McClintock Channel, Canada, at multiple positions with depths from 20.2 to 31.7 meters.
  17. HYDROARC 292/22 · Nav aids2022-09-23 → 2022-09-26
    Mcts iqaluit remote station cambridge bay 69-07.00N 105-01.00W mf and hf transmit services off air
  18. HYDROARC 291/22 · Surveys2022-09-23 → 2026-08-14
    Scientific moorings are established at several positions in Lancaster Sound, Canada, with top floats between 26 and 246 meters.
  19. HYDROARC 287/22 · Wrecks2022-09-22 → 2022-09-23
    4.2 meter shoal in 69-50.27N 124-16.28W
  20. HYDROARC 262/22 · Wrecks2022-09-08 → 2026-08-14
    A 14-meter shoal exists at 68 degrees 36.32 minutes north, 95 degrees 21.40 minutes west, in Canada.

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