The Northwestern Passages

IHO sea area 14 · -128° to -69° E, 64° to 82° N

in force
6
last 12 months
12
archive messages
260
categories
8

What the archive shows

260 messages are recorded since 2001-09-30 for the The Northwestern Passages. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.

Nav aids accounts for 67 of 260 recorded messages (26%), the largest category group in this selection.

The NGA historical archive froze in 2024-05; live collection began 2026-08-17. Counts around that gap are incomplete, and changes in reporting volume do not establish changes in incident frequency.

In force now · 6

  1. HYDROARC 258/26 · Surveys2026-09-25
    A scientific mooring is established in Deese Strait, Canada, at 68-55.94N 105-49.66W, with top float at 122 meters.
  2. HYDROARC 256/26 · Surveys2026-09-25
    A scientific mooring with a top float at 69 meters is established in Queen Maud Gulf, Canada, at 68-48.95N 105-06.53W.
  3. HYDROARC 242/26 · Wrecks2026-09-18
    A 0.3 meter rock depth and a dangerous submerged rock are reported in Amundsen Gulf, Canada, at 70-32.05N 115-59.06W and 70-30.05N 116-04.70W.
  4. HYDROARC 178/25 · Wrecks2025-10-01
    Depths reported in Franklin Strait and McClintock Channel, Canada, range from 11.3 to 29.3 meters.
  5. HYDROARC 175/25 · Wrecks2025-09-29
    A reported depth of 33.6 meters in McClintock Channel, Canada at 76-40.36N 102-16.62W.
  6. 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.
  4. HYDROARC 242/26 · Wrecks2026-09-18
    A 0.3 meter rock depth and a dangerous submerged rock are reported in Amundsen Gulf, Canada, at 70-32.05N 115-59.06W and 70-30.05N 116-04.70W.
  5. HYDROARC 256/26 · Surveys2026-09-25
    A scientific mooring with a top float at 69 meters is established in Queen Maud Gulf, Canada, at 68-48.95N 105-06.53W.

By year

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By month (all years)

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By category · available archive

Nav aids6726%
Surveys5822%
Wrecks4919%
Other4718%
Incidents3513%
Exercises21%
Quakes10%
Derelicts10%

Archive · 254 cancelled

  1. HYDROARC 212/18 · Wrecks2018-08-28 → 2018-11-02
    5.2 meter depth reported in 69-43N 091-21W
  2. HYDROARC 208/18 · Incidents2018-08-25 → 2018-08-25
    117 meter vessel akademik ioffe, white hull, 162 persons on board, aground and taking on water in 69-40.14N…
  3. HYDROARC 207/18 · Incidents2018-08-24 → 2018-08-25
    117 meter M/V akademik ioffe, white hull, 162 persons on board, aground and taking on water in 69-40.14N…
  4. HYDROARC 199/18 · Nav aids2018-08-20 → 2018-08-26
    Mcts iqaluit remote station resolute 74-45N 094-58W mf and hf transmit services inoperative
  5. HYDROARC 194/18 · Incidents2018-08-20 → 2018-09-07
    16 foot vessel, red and silver hull, two persons on board, overdue
  6. HYDROARC 184/18 · Incidents2018-08-14 → 2018-08-14
    Distress signal received from vessel in 69-21.1N 094-16.3W
  7. HYDROARC 181/18 · Incidents2018-08-13 → 2018-09-07
    M/V national geographic explorer, overdue in vicinity of dundas harbor (74-31N 082-23W)
  8. HYDROARC 170/18 · Nav aids2018-08-03 → 2018-10-30
    Mcts iqaluit remote station resolute 74-45N 094-58W r/t and hf dsc inoperative
  9. HYDROARC 158/18 · Other2018-07-18 → 2018-08-20
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative
  10. NAVAREA IV 462/18 · Other2018-06-08 → 2018-07-20
    Radiofacsimile frequencies 3253 khz, 4292 khz, 7710 khz and 8456 khz discontinued at mcts iqaluit: a. center…
  11. HYDROARC 114/18 · Other2018-06-08 → 2018-09-07
    Radiofacsimile frequencies 3253 khz, 4292 khz, 7710 khz and 8456 khz discontinued at mcts iqaluit: a. center…
  12. NAVAREA IV 459/18 · Other2018-06-07 → 2018-06-08
    Radiofacsimile frequencies 3253 khz and 7710 khz discontinued at 071600Z jun at mcts iqaluit: a. center…
  13. HYDROARC 111/18 · Other2018-06-07 → 2018-06-08
    Radiofacsimile frequencies 3253 khz and 7710 khz discontinued at 071600Z jun at mcts iqaluit: a. center…
  14. HYDROARC 307/17 · Surveys2017-09-28 → 2018-10-03
    Scientific moorings established in: a. 71-18.66N 127-35.62W, top float 75 meters
  15. HYDROARC 288/17 · Surveys2017-09-21 → 2019-04-05
    Canada DNC 28
  16. HYDROARC 282/17 · Incidents2017-09-18 → 2017-10-06
    Distress signal received from 20 foot vessel, five persons on board, in vicinity 69-34N 094-32W
  17. HYDROARC 267/17 · Wrecks2017-09-12 → 2019-01-04
    4.27 meter depth reported in 68-24.82N 096-21.65W
  18. HYDROARC 249/17 · Other2017-09-04 → 2017-09-10
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative
  19. HYDROARC 245/17 · Other2017-09-03 → 2017-09-03
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative
  20. HYDROARC 242/17 · Other2017-09-02 → 2017-09-02
    Mcts iqaluit remote station resolute 74-45N 094-58W inoperative

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

The Northwestern Passages — navigational warnings — archive page 6 · seahazards