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 227/13 · Nav aids2013-10-13 → 2013-10-28
    Iqaluit mcts remote station resolute 74-44.8N 095-00.2W off air for season
  2. HYDROARC 213/13 · Incidents2013-10-09 → 2013-10-09
    24 foot vessel, aluminium hull, two persons on board, overdue
  3. HYDROARC 205/13 · Incidents2013-10-02 → 2013-10-02
    16 foot vessel, red hull, two persons on board, overdue pond inlet (72-41-57N 077-57-33W) to beloeil island…
  4. HYDROARC 203/13 · Incidents2013-10-02 → 2013-10-02
    16 foot vessel, red hull, two persons on board, overdue pond inlet (72-41-57N 077-57-33W) to bylot island…
  5. HYDROARC 187/13 · Surveys2013-09-23 → 2014-09-28
    Foxe Basin
  6. HYDROARC 186/13 · Surveys2013-09-23 → 2014-09-28
    Igloolik Island
  7. HYDROARC 181/13 · Incidents2013-09-21 → 2013-09-22
    18 foot M/V, burgundy hull, two persons on board, overdue spence bay (69-32.2N 093-31.6W) to gjoa haven…
  8. HYDROARC 180/13 · Incidents2013-09-21 → 2013-09-21
    18 foot M/V, burgundy hull, one person on board, overdue spence bay (69-32.2N 093-31.6W) to gjoa haven…
  9. HYDROARC 174/13 · Incidents2013-09-18 → 2013-09-18
    24 foot vessel, two persons on board, overdue cape cunningham (72-57.6N 085-34.8W) and return
  10. HYDROLANT 2161/13 · Incidents2013-09-04 → 2013-09-04
    Distress signal received from M/V, five persons on board, vicinity 66-34.5N 085-26.1W
  11. HYDROARC 143/13 · Wrecks2013-09-02 → 2013-09-03
    Seven persons stranded on ice in 71-45.89N 095-32.76W
  12. HYDROARC 133/13 · Wrecks2013-08-27 → 2014-01-19
    Alexandra Strait
  13. HYDROARC 132/13 · Wrecks2013-08-27 → 2014-01-19
    Alexandra Strait
  14. HYDROARC 130/13 · Incidents2013-08-25 → 2013-08-26
    24 foot canoe, green hull, four persons on board, overdue igloolik (69-23N 081-48W) to fury and hecla strait…
  15. HYDROARC 124/13 · Incidents2013-08-22 → 2013-08-23
    20 foot vessel, aluminum hull, two persons on board, overdue pond inlet (72-41-57N 077-57-33W) to tremblay…
  16. HYDROARC 123/13 · Nav aids2013-08-20 → 2013-08-23
    Requisite Channel
  17. HYDROARC 118/13 · Wrecks2013-08-16 → 2014-01-19
    Amundsen Gulf
  18. HYDROARC 109/13 · Incidents2013-08-07 → 2013-08-07
    20 foot vessel, three persons on board, overdue from pond inlet (72-41.95N 077-57.55W)
  19. HYDROARC 90/13 · Nav aids2013-07-16 → 2013-08-11
    Cache Point Channel
  20. HYDROARC 89/13 · Nav aids2013-07-16 → 2013-08-16
    Requisite Channel

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 10 · seahazards