Other warnings in the North Atlantic Ocean

Everything the classifier did not place elsewhere.

in force
1
last 12 months
1
vs previous 12 (1)
0%
since 1996
1,267

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.

In force now · 1

  1. NAVAREA XII 486/26in force2026-07-16
    U.S. Coast Guard remote communication facility in Honolulu has unreliable transmissions; broadcasts moved to Guam, DSC responses to Point Reyes.
    North Pacific · Hawaii

Longest in force

  1. NAVAREA XII 486/26in force2026-07-16 · 37 d
    U.S. Coast Guard remote communication facility in Honolulu has unreliable transmissions; broadcasts moved to Guam, DSC responses to Point Reyes.
    North Pacific · Hawaii

By year

96
98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
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26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the North Atlantic Ocean

Archive · 1,266 cancelled

  1. NAVAREA IV 113/062006-04-25 → 2006-05-02
    Nine radar targets reported 250232Z apr vicinity 46-34.6N 052-23.0W
  2. HYDROLANT 777/062006-04-22 → 2006-04-29
    Cable reel partially submerged and adrift vicinity 43-49.50N 009-19.95W at 221802Z apr
  3. HYDROLANT 638/062006-03-31 → 2006-05-13
    Navigation prohibited: a. in area bound by 17-45.00N 016-42.00W, 17-43.00N 016-42.00W, 17-41.00N 016-43.00W,…
  4. HYDROLANT 605/062006-03-27 → 2006-04-19
    Navigation prohibited until further notice in area bound by 33-32.4N 007-47.7W, 33-35.5N 007-48.6W, 33-39.9N…
  5. HYDROLANT 533/062006-03-18 → 2006-03-27
    Navigation prohibited until further notice in areas bound by: a. 27-12.0N 013-23.2W, 27-12.0N 013-26.6W,…
  6. NAVAREA IV 58/062006-03-02 → 2006-03-09
    Odas buoy 44142 adrift in 40-46-01N 059-40-06W at 021239Z mar
  7. HYDROLANT 438/062006-03-02 → 2006-03-03
    Odas buoy 44142 adrift in 40-46-01N 059-40-06W at 021239Z mar
  8. HYDROLANT 433/062006-03-02 → 2006-03-27
    Navigation prohibited until further notice in area bound by 30-20.0N 009-37.0W 30-20.0N 009-40.0W, 30-25.0N…
  9. HYDROLANT 389/062006-02-24 → 2006-03-20
    Navigation prohibited until further notice in area bound by 30-30.2N 009-41.2W, 30-26.6N 009-39.4W, 30-26.6N…
  10. HYDROLANT 277/062006-02-09 → 2006-02-13
    Navigation prohibited until further notice in area bound by 33-32.4N 007-47.7W, 33-35.5N 007-48.6W, 33-39.9N…
  11. HYDROLANT 193/062006-01-28 → 2006-02-22
    Sule skerry light 59-05N 004-24W at reduced intensity
  12. HYDROLANT 61/062006-01-10 → 2006-01-10
    Dunnet head light 58-40.3N 003-22.5W at reduced intensity
  13. HYDROLANT 2374/052005-12-19 → 2005-12-30
    Navigation prohibited until further notice in area bound by 33-33.27N 007-45.00W, 33-36.30N 007-45.00W,…
  14. HYDROLANT 2157/052005-11-22 → 2005-11-25
    M/V summer breeze reports crewman requiring medical assistance in 21-27N 030-52W at 221330Z nov
  15. HYDROLANT 1935/052005-10-24 → 2006-03-31
    Navigation prohibited until 30 mar 06 in area bound by 17-46.0N 016-49.4W, 17-46.7N 016-46.0W, 17-45.0N…
  16. HYDROLANT 1920/052005-10-20 → 2005-10-26
    Navigation prohibited until futher notice in area bound by 33-33.4N 007-45.0W, 33-36.5N 007-45.0W, 33-40.1N…
  17. HYDROLANT 1852/052005-10-10 → 2005-10-19
    Navigation prohibited until further notice in area bound by 33-33.4N 007-45W, 33-36.5N 007-45W, 33-46.1N…
  18. HYDROLANT 1782/052005-09-29 → 2005-10-13
    Flannan isles light 58-17.3N 007-35.4W at reduced intensity
  19. HYDROLANT 1512/052005-08-19 → 2005-10-05
    Vessel naftobulk 1 on fire in 35-08N 009-09W
  20. HYDROLANT 1371/052005-07-28 → 2005-07-29
    S/V orchid reports crewman requiring medical assistance vicinity 49-00N 018-00W at 280001Z jul
  21. HYDROLANT 1272/052005-07-11 → 2005-09-21
    Navigation prohibited until further notice in area bound by 33-33.5N 007-45.0W, 33-36.5N 007-45.0W, 33-40.1N…
  22. HYDROLANT 1236/052005-07-03 → 2005-07-27
    Flares sighted from three aircraft in 52-56N 025-12W at 030137Z and 030230Z jul
  23. NAVAREA IV 168/052005-06-08 → 2005-07-01
    Pipelaying operations in progress until 30 jun by M/V dominator, M/V cherokee, M/V crosby duke, M/V…
  24. NAVAREA IV 167/052005-06-08 → 2005-07-01
    Geophysical operations in progress until 30 jun by M/V native spirit along trackline between 09-59.92N…
  25. HYDROLANT 1025/052005-05-31 → 2005-05-31
    Sule skerry light 59-05N 004-24W at reduced intensity
  26. HYDROLANT 1015/052005-05-28 → 2005-05-31
    Navigation prohibited until further notice in area bound by 33-33.3N 007-45.0W, 33-36.3N 007-45.0W, 33-40.1N…
  27. NAVAREA IV 162/052005-05-19 → 2005-05-25
    Radar target reported in 48-03.8N 048-32.4W at 181355Z may
  28. NAVAREA IV 130/052005-04-28 → 2005-05-02
    300001Z to 300330Z apr, alternate 010001Z to 010330Z may, 020001Z to 020330Z may in areas bound by: a.…
  29. HYDROLANT 594/052005-04-01 → 2005-04-05
    Navigation prohibited until further notice in area bound by 33-33N 007-40W, 33-36N 007-45W, 33-40N 007-37W,…
  30. NAVAREA IV 58/052005-03-15 → 2005-03-22
    40 foot partially submerged white object, undetermined form, adrift in vicinity 25-57N 056-49W
  31. HYDROLANT 476/052005-03-13 → 2005-03-18
    Navigation prohibited 160600Z to 180600Z mar in area bound by 33-45.2N 007-35.4W, 34-03.0N 007-48.0W,…
  32. HYDROLANT 312/052005-02-14 → 2005-02-21
    Navigation prohibited until further notice in area bound by 33-33.4N 007-45.0W, 33-36.5N 007-45.0W, 33-46.1N…
  33. HYDROLANT 159/052005-01-20 → 2005-01-20
    F/V adventurer suffered bridge damage in 59-36N 006-17W at 200020Z jan
  34. HYDROLANT 2062/042004-12-28 → 2004-12-29
    Sule skerry light 59-05N 004-24W at reduced intensity
  35. HYDROLANT 2006/042004-12-16 → 2004-12-19
    North rona light 59-07N 005-49W at reduced intensity
  36. HYDROLANT 1975/042004-12-09 → 2004-12-12
    Navigation prohibited 10 and 11 dec in area bound by 33-58.5N 006-55.0W, 34-04.5N 006-55.0W, 33-54.3N…
  37. HYDROLANT 1696/042004-10-19 → 2004-11-10
    Navigation prohibited until further notice in area bound by 33-33.27N 007-45.00W, 33-36.30N 007-45.00W,…
  38. HYDROLANT 1192/042004-07-15 → 2004-07-16
    Underwater ordnance detonations: a. 200600Z to 201800Z jul within five miles of 36-44.8N 010-01.9W
  39. HYDROLANT 1188/042004-07-15 → 2004-07-21
    Underwater ordnance detonations: a. 200600Z to 201800Z jul within five miles of 36-44-46N 010-01-52W
  40. HYDROLANT 1133/042004-07-05 → 2004-07-12
    10 meter long pipe adrift vicinity 47-11.3N 008-30.5W at 051535Z jul
  41. HYDROLANT 1128/042004-07-05 → 2004-07-17
    Navigation prohibited 08 thru 16 jul in area bound by 28-58.0N 010-36.0W, 29-07.0N 010-41.0W, 28-51.0N…
  42. HYDROLANT 979/042004-06-07 → 2004-07-03
    S/V irony reports crewman requiring medical assistance in 38-23N 034-35W
  43. HYDROLANT 977/042004-06-06 → 2004-07-30
    Platform under construction in 60-41.5N 002-32.5W
  44. NAVAREA IV 186/042004-06-04 → 2004-06-04
    Pyrotechnics exercises 041700Z to 041830Z jun vicinity 21-05N 073-50W
  45. HYDROLANT 881/042004-05-22 → 2004-06-06
    Pipelaying operations in progress until further notice by M/V seaway falcon vicinity of trackline between…
  46. HYDROLANT 651/042004-04-19 → 2004-04-26
    Radar target reported in 43-58.2N 042-16.8W on 19 apr
  47. NAVAREA IV 127/042004-04-19 → 2004-04-26
    Radar target reported in 43-58.2N 042-16.8W on 19 apr
  48. NAVAREA IV 71/042004-03-04 → 2004-03-15
    Underwater ordnance detonations 08 thru 14 mar within one mile of 32-33.707N 079-46.797W
  49. NAVAREA IV 31/042004-01-30 → 2004-02-06
    Ten to 15 meter long structure adrift vicinity 21-42N 056-46W
  50. HYDROLANT 94/042004-01-17 → 2004-01-24
    Numerous red and yellow pipes adrift vicinity 47-00N 007-14W at 171715Z jan

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

Other warnings in the North Atlantic Ocean — page 17 · seahazards