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 213/16 · Other2016-09-06 → 2016-09-07
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W inoperative
  2. HYDROARC 211/16 · Other2016-09-05 → 2016-09-06
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W unreliable
  3. HYDROARC 208/16 · Other2016-09-04 → 2016-09-05
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W inoperative
  4. HYDROARC 202/16 · Wrecks2016-09-02 → 2016-12-07
    Obstruction, two meters below surface, in 68-36.86N 100-13.36W
  5. HYDROARC 164/16 · Other2016-08-12 → 2016-08-16
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W frequency 2182 khz inoperative
  6. HYDROARC 163/16 · Other2016-08-11 → 2016-08-18
    Mcts iqaluit centre remote station resolute 74-44.8N 095-00.2W radiofacsimile frequency 7710 khz inoperative
  7. HYDROARC 156/16 · Nav aids2016-08-06 → 2016-08-06
    Mcts iqaluit remote station cambridge bay 69-07N 105-01W mf and hf receive services inoperative until…
  8. HYDROARC 129/16 · Nav aids2016-07-15 → 2016-08-13
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W r/t services, nbdp and dsc receive services…
  9. HYDROARC 123/16 · Other2016-07-09 → 2016-07-15
    Mcts iqaluit centre remote station cambridge bay 69-07N 105-01W unable to receive mf r/t frequency 4071 khz
  10. HYDROARC 382/15 · Nav aids2015-10-28 → 2015-11-10
    Mcts resolute centre 74-45N 094-58W broadcasts off air 290400Z oct for season
  11. HYDROARC 347/15 · Other2015-10-03 → 2015-11-01
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W unable to transmit radiofacsimile
  12. HYDROARC 346/15 · Other2015-10-03 → 2015-10-03
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W transmit services inoperative
  13. HYDROARC 312/15 · Nav aids2015-09-24 → 2016-08-23
    Cache point RACON 68-39.3N 113-25.2W inoperative
  14. HYDROARC 273/15 · Other2015-09-12 → 2015-09-13
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W inoperative
  15. HYDROARC 269/15 · Other2015-09-09 → 2015-09-10
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W unreliable
  16. HYDROARC 266/15 · Wrecks2015-09-08 → 2015-09-20
    9.3 meter shoal reported in 69-23.57N 094-02.41W
  17. HYDROARC 264/15 · Wrecks2015-09-08 → 2017-01-28
    Shoals reported: a. 3.5 meters in 69-28.59N 099-22.27W
  18. HYDROARC 259/15 · Other2015-09-04 → 2015-09-06
    Mcts iqaluit centre remote station cambridge bay 69-07.0N 105-03.2W transmit and receive services inoperative
  19. HYDROARC 257/15 · Other2015-09-03 → 2015-09-03
    Mcts iqaluit centre frequency 5803 khz at remote station cambridge bay 69-07.0N 105-03.2W inoperative
  20. HYDROARC 248/15 · Surveys2015-08-28 → 2017-10-13
    Scientific mooring established in 69-56.79N 097-54.58W

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