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 240/17 · Other2017-09-01 → 2017-09-02
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative
  2. HYDROARC 228/17 · Wrecks2017-08-26 → 2019-01-04
    Shoals reported: a. 6.0 meters in 69-30.76N 094-59.05W
  3. HYDROARC 200/17 · Other2017-08-08 → 2017-08-08
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative until 082200Z aug
  4. HYDROARC 190/17 · Other2017-08-06 → 2017-08-11
    Mcts iqaluit remote station resolute 74-45N 094-58W radiofacsimile frequencies 3253 khz and 7710 khz…
  5. HYDROARC 189/17 · Surveys2017-08-04 → 2019-04-05
    Scientific mooring, top float 292 meters below surface, established in 70-40.87N 126-52.28W
  6. HYDROARC 188/17 · Surveys2017-08-04 → 2019-04-05
    Scientific mooring, top float 38 meters below surface, established in 70-34.60N 127-39.62W
  7. HYDROARC 166/17 · Other2017-07-26 → 2017-07-27
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W inoperative
  8. HYDROARC 146/17 · Other2017-07-15 → 2017-07-21
    Mcts iqaluit remote station resolute 74-45N 094-58W radiofacsimile frequencies 3253 khz and 7710 khz…
  9. HYDROARC 337/16 · Wrecks2016-12-08 → 2017-04-07
    Obstruction, two meters below surface, in 68-36.86N 100-13.36W
  10. HYDROARC 309/16 · Nav aids2016-10-21 → 2016-10-21
    Mcts iqaluit remote station resolute 74-45N 094-58W dsc and nbdp services inoperative
  11. HYDROARC 279/16 · Other2016-10-04 → 2016-10-04
    Mcts iqaluit remote station resolute 74-45N 094-58W radiofacsimile frequencies 3253 khz and 7710 khz…
  12. NAVAREA IV 841/16 · Nav aids2016-10-03 → 2016-10-03
    Mcts iqaluit remote stations hf transmit and receive services inoperative: a. coral harbour 64-09N 083-22W
  13. HYDROARC 275/16 · Nav aids2016-10-03 → 2016-10-03
    Mcts iqaluit remote stations hf transmit and receive services inoperative: a. coral harbour 64-09N 083-22W
  14. NAVAREA IV 840/16 · Nav aids2016-10-02 → 2016-10-03
    Mcts iqaluit remote stations hf transmit and receive services inoperative: a. resolute 74-45N 094-58W
  15. HYDROARC 273/16 · Nav aids2016-10-02 → 2016-10-04
    Mcts iqaluit remote stations hf transmit and receive services inoperative: a. resolute 74-45N 094-58W
  16. HYDROARC 266/16 · Other2016-09-28 → 2016-09-28
    Mcts iqaluit remote station resolute 74-44.8N 095-00.2W inoperative
  17. HYDROARC 264/16 · Other2016-09-27 → 2016-09-27
    Mcts iqaluit remote station cambridge bay 69-07N 105-01W inoperative until 272300Z sep
  18. HYDROARC 260/16 · Other2016-09-25 → 2016-09-25
    Mcts iqaluit remote station cambridge bay 69-07N 105-01W inoperative 251400Z to 251600Z sep
  19. HYDROARC 238/16 · Wrecks2016-09-14 → 2016-09-14
    Four persons stranded ashore requesting assistance vicinity 73-00N 080-00W
  20. HYDROARC 229/16 · Wrecks2016-09-11 → 2017-04-07
    26.4 meter shoal in 71-45.27N 096-34.24W

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