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
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01
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06
07
08
09
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18
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By month (all years)

J
F
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Other hazards in the North Atlantic Ocean

Archive · 1,266 cancelled

  1. HYDROLANT 2106/022002-09-20 → 2002-09-28
    Ordnance drop exercises 1000Z to 2115Z daily 23 thru 28 sep within 60 miles of 34-45N 009-00W
  2. HYDROLANT 2101/022002-09-19 → 2002-09-20
    Hazardous operation 241130Z to 241600Z sep, alternate 261130Z to 261600Z sep in area bound by 34-19.9N…
  3. NAVAREA IV 356/022002-09-13 → 2002-09-23
    Underwater ordnance detonations 15 thru 22 sep in 46-36-14N 048-02-25W
  4. HYDROLANT 2005/022002-09-09 → 2002-09-16
    Radar targets detected in: a. 49-56.6N 048-09.0W at 071629Z sep
  5. NAVAREA IV 341/022002-09-09 → 2002-09-16
    Radar targets detected in: a. 49-56.6N 048-09.0W at 071629Z sep
  6. NAVAREA IV 337/022002-09-06 → 2002-09-07
    Pyrotechnics exercises 071830Z to 071930Z sep within ten miles of 21-30N 076-30W
  7. HYDROLANT 1917/022002-08-29 → 2002-09-05
    Radar target reported in 58-47.2N 044-11.6W at 290430Z aug
  8. NAVAREA IV 319/022002-08-29 → 2002-09-05
    Radar target reported in 58-47.2N 044-11.6W at 290430Z aug
  9. NAVAREA IV 306/022002-08-21 → 2002-08-30
    Underwater ordnance detonations 22 thru 29 aug in 46-40-35N 047-58-58W
  10. HYDROLANT 1767/022002-08-09 → 2002-08-14
    Underwater ordnance detonations 130001Z to 142200Z aug within four miles of 47-10N 009-20W
  11. HYDROLANT 1711/022002-08-02 → 2002-08-09
    Underwater ordnance 070001Z to 082359Z aug within four miles of 47-10N 009-20W
  12. HYDROLANT 1661/022002-07-27 → 2002-07-29
    Yellow buoy with 2000 meters of moorings and floats adrift in 58-14N 011-25W at 270900Z jul
  13. HYDROLANT 1641/022002-07-25 → 2002-08-01
    Buoy with 2000 meter long moorings adrift in 57-49N 011-23W at 250735Z jul
  14. HYDROLANT 1634/022002-07-24 → 2002-07-25
    Buoy with 2000 meter long moorings adrift in 57-36N 011-24W at 240610Z jul
  15. HYDROLANT 1617/022002-07-22 → 2002-07-24
    Buoy with 2000 meter long moorings adrift in 57-20N 011-34W at 220700Z jul
  16. HYDROLANT 1616/022002-07-22 → 2002-07-29
    Three unexploded ordnance adrift within three miles of 56-02.3N 008-18.5W at 212140Z jul
  17. HYDROLANT 1607/022002-07-21 → 2002-07-22
    Four unexploded ordnance adrift within six miles of 56-17.5N 009-20.0W at 201830Z jul
  18. HYDROLANT 1605/022002-07-21 → 2002-09-06
    Possible vessel on fire in 47-00N 007-28W
  19. HYDROLANT 1586/022002-07-18 → 2002-07-22
    Seven unexploded ordnance adrift within two miles of 55-47.5N 008-14.0W at 181130Z jul
  20. HYDROLANT 1584/022002-07-18 → 2002-07-22
    Buoy with 2000 meter long moorings adrift in 57-00N 012-00W at 180710Z jul
  21. HYDROLANT 1566/022002-07-16 → 2002-07-18
    Buoy with 2000 meter long moorings adrift in 56-51N 012-13W at 160745Z jul
  22. HYDROLANT 1557/022002-07-14 → 2002-07-16
    Buoy with 2000 meter long moorings adrift in 56-42N 012-24W at 140833Z jul
  23. HYDROLANT 1553/022002-07-13 → 2002-07-14
    Radar targets detected in 47-53N 044-44W and 47-38N 044-27W at 122100Z jul
  24. NAVAREA IV 257/022002-07-13 → 2002-07-14
    Radar targets detected in 47-53N 044-44W and 47-38N 044-27W at 122100Z jul
  25. HYDROLANT 1543/022002-07-12 → 2002-07-14
    Buoy with 2000 meter long moorings adrift vicinity 56-31N 012-22W at 120738Z jul
  26. HYDROLANT 1532/022002-07-10 → 2002-07-12
    Buoy with 2000 meter long moorings adrift vicinity 56-22N 012-05W at 100658Z jul
  27. HYDROLANT 1517/022002-07-09 → 2002-07-10
    Radar target detected in 44-37N 049-20W at 090600Z jul
  28. NAVAREA IV 250/022002-07-09 → 2002-07-10
    Radar target detected in 44-37N 049-20W at 090600Z jul
  29. HYDROLANT 1504/022002-07-08 → 2002-07-10
    Buoy with 2000 meter long moorings adrift vicinity 56-14N 011-37W at 080730Z jul
  30. HYDROLANT 1500/022002-07-08 → 2002-07-09
    Radar target detected in 48-09N 044-39W
  31. NAVAREA IV 248/022002-07-08 → 2002-07-09
    Radar target detected in 48-09N 044-39W
  32. NAVAREA IV 245/022002-07-06 → 2002-07-08
    Radar target reported in 48-12N 044-53W at 061230Z jul
  33. HYDROLANT 1489/022002-07-05 → 2002-07-12
    M/V tyger reports crewman with heart attack in 04-44N 050-30W at 051300Z jul
  34. HYDROLANT 1479/022002-07-04 → 2002-07-08
    Buoy with 2000 meter long moorings adrift vicinity 56-09N 010-02W at 040732Z jul
  35. HYDROLANT 1446/022002-06-30 → 2002-07-04
    Buoy with 2000 meter long moorings adrift vicinity 56-09N 010-54W at 301531Z jun
  36. HYDROLANT 1442/022002-06-29 → 2002-06-30
    Buoy with 2000 meter long moorings adrift vicinity 56-07N 010-25W at 291725Z jun
  37. HYDROLANT 1430/022002-06-28 → 2002-06-29
    Buoy with 2000 meter long moorings adrift vicinity 55-00N 010-14W at 280726Z jun
  38. HYDROLANT 1398/022002-06-24 → 2002-06-28
    Buoy with 2000 meter long moorings adrift vicinity 55-29N 010-32W at 240636Z jun
  39. HYDROLANT 1385/022002-06-21 → 2002-06-24
    Buoy with 2000 meter long moorings adrift vicinity 55-51N 011-24W at 211530Z jun
  40. HYDROLANT 1368/022002-06-19 → 2002-06-21
    Buoy with 2000 meter long moorings adrift vicinity 56-07N 012-03W at 190408Z jun
  41. HYDROLANT 1362/022002-06-18 → 2002-06-19
    Buoy with 2000 meter long moorings adrift vicinity 56-19N 011-46W at 181200Z jun
  42. HYDROLANT 1361/022002-06-18 → 2002-06-21
    Underwater ordnance detonation 192200Z to 212200Z jun within four miles of 47-10N 009-40W
  43. HYDROLANT 1353/022002-06-17 → 2002-06-18
    Buoy with 2000 meter long moorings adrift vicinity 56-32N 011-17W at 171630Z jun
  44. HYDROLANT 1323/022002-06-14 → 2002-06-17
    Buoy with 2000 meter long moorings adrift vicinity 56-52N 010-39W at 140726Z jun
  45. HYDROLANT 1233/022002-06-03 → 2002-06-04
    Radar target reported in 39-30N 040-44W at 030230Z jun
  46. NAVAREA IV 194/022002-06-03 → 2002-06-04
    Radar target reported in 39-30N 040-44W at 030230Z jun
  47. HYDROLANT 1192/022002-05-29 → 2002-05-30
    Radar target reported in 45-23N 045-48W at 291030Z may
  48. NAVAREA IV 186/022002-05-29 → 2002-05-30
    Radar target reported in 45-23N 045-48W at 291030Z may
  49. NAVAREA IV 172/022002-05-14 → 2002-05-21
    Partially submerged aluminum cylindrical object, four meters visible above surface, marked radioactive,…
  50. HYDROLANT 1101/022002-05-14 → 2002-06-28
    Vessel playa de menduina reports crewman with serious injury in 59-07N 018-00W at 140600Z may

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 20 · seahazards