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
23
24
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. HYDROLANT 2385/032003-12-24 → 2004-02-07
    M/V orna reports crewman with a heart condition in a coma in 48-30N 023-00W
  2. HYDROLANT 2343/032003-12-17 → 2003-12-18
    Tor ness light 58-47N 003-18W at reduced intensity
  3. NAVAREA IV 476/032003-12-09 → 2003-12-16
    Odas buoy 44142 adrift vicinity 41-32.8N 059-46.9W at 091100Z dec
  4. NAVAREA IV 473/032003-12-06 → 2003-12-09
    Odas buoy 44142 adrift vicinity 41-41.1N 059-27.7W at 051100Z dec
  5. HYDROLANT 2113/032003-11-10 → 2003-11-14
    Tor ness light 58-46.7N 003-17.6W at reduced intensity
  6. NAVAREA IV 440/032003-11-10 → 2003-11-17
    Odas buoy 41012 adrift in 29-28-15N 080-38-01W
  7. HYDROLANT 2096/032003-11-08 → 2003-11-12
    Sule skerry light 59-05N 004-24W at reduced intensity
  8. NAVAREA IV 432/032003-11-05 → 2003-11-11
    Underwater ordnance detonations 100001Z to 102359Z nov within 120 miles of 64-30N 033-09W
  9. HYDROLANT 2078/032003-11-05 → 2003-11-11
    Underwater ordnance detonations 100001Z to 102359Z nov within 120 miles of 64-30N 033-09W
  10. HYDROLANT 2065/032003-11-03 → 2003-11-08
    Underwater ordnance detonations 070001Z to 072359Z nov within 120 miles of 62-50N 032-00W
  11. HYDROLANT 2034/032003-10-29 → 2003-11-04
    Navigation prohibited until further notice in area bound by 33-33.3N 007-45.0W, 33-36.3N 007-45.0W, 33-40.1N…
  12. HYDROLANT 1986/032003-10-22 → 2003-10-23
    Tor ness light 58-46.7N 003-17.6W at reduced intensity
  13. NAVAREA IV 418/032003-10-22 → 2003-11-01
    Underwater ordnance detonations 27 thru 31 oct within one mile of 32-33.71N 079-46.80W
  14. HYDROLANT 1966/032003-10-19 → 2003-10-20
    Tor ness light 58-47N 003-18W at reduced intensity
  15. NAVAREA IV 412/032003-10-13 → 2003-10-24
    Two buoys, each fl, yellow, ra ref, marking underwater cable, temporarily established in 47-41.2N 039-50.1W…
  16. HYDROLANT 1881/032003-10-04 → 2003-10-06
    M/V multipesca II reports injured crewman vicinity 02-49N 048-38W
  17. HYDROLANT 1786/032003-09-18 → 2003-09-25
    Radar target detected in 51-59.5N 048-57.0W at 171200Z sep
  18. NAVAREA IV 384/032003-09-18 → 2003-09-25
    Radar target detected in 51-59.5N 048-57.0W at 171200Z sep
  19. HYDROLANT 1686/032003-09-04 → 2003-09-05
    Vessel reports crewman requiring medical assistance vicinity 09-00N 032-00W at 041524Z sep
  20. HYDROLANT 1651/032003-08-29 → 2003-08-30
    S/V noomi reports crewman requiring medical assistance in 46-52N 008-53W at 280040Z aug
  21. HYDROLANT 1613/032003-08-23 → 2003-08-30
    Radar target reported in 46-47N 047-47W at 230549Z aug
  22. NAVAREA IV 356/032003-08-23 → 2003-08-30
    Radar target reported in 46-47N 047-47W at 230549Z aug
  23. HYDROLANT 1609/032003-08-22 → 2003-08-24
    Underwater ordnance detonations 240001Z to 242359Z aug within 30 miles of 62-00N 020-30W
  24. HYDROLANT 1577/032003-08-19 → 2003-08-25
    Underwater ordnance detonations 240001Z to 242359Z aug within 30 miles of 62-00N 020-30W
  25. HYDROLANT 1415/032003-07-22 → 2003-07-29
    Radar target reported in 46-02.0N 047-57.0W at 221010Z jul
  26. NAVAREA IV 300/032003-07-22 → 2003-07-29
    Radar target reported in 46-02.0N 047-57.0W at 221010Z jul
  27. HYDROLANT 1406/032003-07-22 → 2003-08-13
    Navigation prohibited until further notice in area bound by 33-33.27N 007-45.00W, 33-36.30N 007-45.00W,…
  28. HYDROLANT 1396/032003-07-19 → 2003-07-26
    Underwater ordnance detonations 240001Z to 252359Z jul within 130 miles of 62-50N 031-49W
  29. HYDROLANT 1376/032003-07-17 → 2003-07-19
    Tor ness light 58-47N 003-18W at reduced intensity
  30. HYDROLANT 1369/032003-07-17 → 2003-07-17
    Noup head light 59-20N 003-04W at reduced intensity
  31. NAVAREA IV 288/032003-07-12 → 2003-07-13
    Pyrotechnics exercises 130030Z to 130130Z jul in 28-15N 078-55W
  32. HYDROLANT 1287/032003-07-02 → 2003-07-03
    Three radar targets detected in 44-53N 056-07W at 020850Z jul
  33. NAVAREA IV 275/032003-07-02 → 2003-07-03
    Three radar targets detected in 44-53N 056-07W at 020850Z jul
  34. HYDROLANT 1282/032003-07-01 → 2003-07-02
    Radar target detected in 44-23N 055-38W at 010317Z jul
  35. NAVAREA IV 272/032003-07-01 → 2003-07-02
    Radar target detected in 44-23N 055-38W at 010317Z jul
  36. HYDROLANT 1280/032003-07-01 → 2003-07-02
    Tor ness light 58-46.7N 003-17.6W at reduced intensity
  37. HYDROLANT 1278/032003-06-30 → 2003-07-01
    Radar target detected in 42-08N 052-08W at 301455Z jun
  38. NAVAREA IV 271/032003-06-30 → 2003-07-01
    Radar target detected in 42-08N 052-08W at 301455Z jun
  39. HYDROLANT 1268/032003-06-29 → 2003-06-29
    M/V frogo reports crewman with broken leg requiring medical assistance in 47-46.0N 008-55.1W
  40. HYDROLANT 1258/032003-06-28 → 2003-07-18
    Pipelaying operations in progress until further notice by M/V solitaire along trackline joining 60-39.4N…
  41. HYDROLANT 1257/032003-06-28 → 2003-06-29
    Radar target detected in 45-09N 055-38W at 272337Z jun
  42. NAVAREA IV 265/032003-06-28 → 2003-06-29
    Radar target detected in 45-09N 055-38W at 272337Z jun
  43. HYDROLANT 1236/032003-06-26 → 2003-06-27
    Radar targets detected in: a. 42-11N 053-23W at 261250Z jun
  44. NAVAREA IV 260/032003-06-26 → 2003-06-27
    Radar targets detected in: a. 42-11N 053-23W at 261250Z jun
  45. NAVAREA IV 258/032003-06-24 → 2003-07-01
    Eight meter long structure adrift vicinity 50-18.7N 034-25.3W
  46. HYDROLANT 1227/032003-06-24 → 2003-07-01
    Eight meter long structure adrift vicinity 50-18.7N 034-25.3W
  47. HYDROLANT 1212/032003-06-21 → 2003-08-02
    F/V beiramar tres requiring medical assistance in 57-02N 018-20W
  48. NAVAREA IV 244/032003-06-16 → 2003-06-23
    3000 meter long cable adrift vicinity 16-24.3N 060-10.0W at 161500Z jun
  49. HYDROLANT 1159/032003-06-13 → 2003-06-19
    Underwater ordnance detonations 180001Z to 182359Z jun within 100 miles of 61-43N 015-02W
  50. HYDROLANT 1102/032003-06-05 → 2003-06-06
    Noup head light 59-20N 003-04W at reduced intensity

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 18 · seahazards