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 · 36 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 1058/132013-04-27 → 2013-05-01
    Aircraft detected wreckage and one orange buoy in 33-47.55N 039-07.03W at 261954Z apr
    North Atlantic
  2. NAVAREA IV 195/132013-04-10 → 2013-04-13
    Noaa buoy 41001 adrift in 34-29-10N 072-36-34W at 090942Z apr
    Western North Atlantic
  3. NAVAREA IV 169/132013-03-29 → 2013-04-01
    Noaa buoy 41040 adrift in 14-21-05N 052-56-47W at 281630Z mar
    Western North Atlantic
  4. HYDROLANT 791/132013-03-28 → 2013-04-06
    Vessel reports crewman requiring medical assistance in 10-45N 017-52W
    Eastern North Atlantic · Guinea
  5. NAVAREA IV 150/132013-03-18 → 2013-03-21
    Odas buoy 44150 adrift vicinity 41-06.86N 064-02.73W
    Western North Atlantic
  6. HYDROLANT 587/132013-03-08 → 2013-03-16
    Three men overboard from vessel el hadji diop vicinity cap skirring (12-21N 016-43W) at 071400Z mar
    Eastern North Atlantic · Senegal
  7. HYDROLANT 586/132013-03-08 → 2013-03-16
    Three men overboard from M/V on the weigh in 31-17.2N 079-26.6W
    Western North Atlantic · Georgia
  8. NAVAREA IV 74/132013-02-10 → 2013-02-13
    Noaa buoy 44008 adrift in 40-16-47N 069-25-07W at 100042Z feb
    Westerm North Atlantic
  9. HYDROLANT 67/132013-01-08 → 2013-01-19
    One red flare sighted in 25-59N 078-52W
    Western North Atlantic · Bahamas
  10. HYDROLANT 3061/122012-12-28 → 2013-06-01
    Two mile berth requested
    Western North Atlantic · French Guiana
  11. HYDROLANT 2873/122012-12-05 → 2012-12-07
    M/V jesica I reports person requiring medical assistance in 02-40N 048-40W at 041230Z dec
    Brazil-north Coast
  12. HYDROLANT 2815/122012-11-30 → 2012-12-08
    Flare sighted in 23-53.5N 055-22.2W at 290246Z
    Western North Atlantic
  13. HYDROLANT 2729/122012-11-18 → 2012-12-01
    S/V pamplemousse in need of fuel and requesting assistance in 04-55N 051-22W at 181230Z nov
    Western North Atlantic · Brazil-north Coast
  14. HYDROLANT 2717/122012-11-17 → 2012-11-18
    S/V pamplemousse in need of fuel and requesting assistance in 04-46N 050-47W at 171950Z nov
    Western North Atlantic · Brazil-north Coast
  15. HYDROLANT 2538/122012-10-29 → 2012-11-10
    20 foot S/V quiet flight dismasted vicinity 20-16.16N 071-40.39W
    Western North Atlantic · Dominican Republic · Haiti
  16. NAVAREA IV 620/122012-10-24 → 2012-10-25
    Pyrotechnics exercises 251200Z to 251400Z oct vicinity tasiilaq (65-36.55N 037-38.15W)
    Greenland-east Coast
  17. HYDROLANT 2387/122012-10-12 → 2012-10-20
    Flares sighted vicinity 39-23.66N 073-50.71W at 110008Z oct
    Western North Atlantic · New Jersey
  18. HYDROLANT 2377/122012-10-11 → 2012-10-13
    Vessel diniz pesca reports crewman sick in 04-31.18N 050-32.03W
    Brazil-north Coast
  19. HYDROLANT 2370/122012-10-10 → 2012-10-13
    S/V rescator in need of assistance in 35-44N 006-48W
    Eastern North Atlantic · Bay of Cadiz
  20. HYDROLANT 2035/122012-09-03 → 2013-02-16
    Ireland-northwest Coast
  21. HYDROLANT 1964/122012-08-27 → 2012-09-08
    83 foot M/V aquaholic in need of assistance in 19-49N 068-48W
    Western North Atlantic · Dominican Republic-north Coast
  22. NAVAREA IV 460/122012-08-20 → 2013-08-31
    Trinidad and Tobago
    Western North Atlantic
  23. HYDROLANT 1396/122012-06-26 → 2012-06-30
    S/V convictus maximus reports injured crewman vicinity 35-59.6N 067-44.6W
    Western North Atlantic
  24. HYDROLANT 1322/122012-06-18 → 2012-12-28
    Two mile berth requested
    Western North Atlantic · French Guiana
  25. HYDROLANT 1313/122012-06-18 → 2012-06-19
    S/V sea biscuit reports crewman requiring medical equipment for a diabetic condition in 33-01.1N 066-13.6W
    Western North Atlantic
  26. HYDROLANT 1094/122012-05-21 → 2012-06-02
    25 meter S/V starry night, blue hull, reports crewman requiring medical assistance in 30-33.0N 052-30.7W
    Western North Atlantic
  27. HYDROLANT 1068/122012-05-18 → 2012-05-19
    S/V outer limits taking on water due to collision in 34-21.1N 058-55.4W
    Western North Atlantic
  28. NAVAREA IV 248/122012-05-17 → 2012-05-17
    Radar targets reported vicinity 43-12N 049-30W at 171250Z may
    Western North Atlantic · Ice
  29. NAVAREA IV 242/122012-05-14 → 2012-05-17
    Dart buoy 41421 adrift vicinity 23-24-55N 063-58-02W
    Western North Atlantic
  30. HYDROLANT 776/122012-04-07 → 2012-04-08
    M/V nordic apollo reports master requiring medical assistance in 05-24N 010-29W at 072024Z apr
    Eastern North Atlantic · Liberia
  31. HYDROLANT 463/122012-03-01 → 2012-03-03
    S/V momo dismasted in 06-25.5N 050-33.7W at 010710Z mar
    Brazil-north Coast
  32. NAVAREA IV 55/122012-02-15 → 2012-02-18
    15 meter long white object partially submerged and adrift in 29-00.6N 074-29.9W at 151830Z feb
    Western North Atlantic
  33. HYDROLANT 169/122012-01-21 → 2012-01-22
    Cancel this msg 221600Z jan
    Western North Atlantic · French Guiana
  34. NAVAREA IV 10/122012-01-17 → 2012-01-20
    Dart buoy 41421 adrift vicinity 23-25-01N 063-57-59W
    Western North Atlantic
  35. HYDROLANT 69/122012-01-09 → 2012-01-21
    M/V wireless in need of diesel fuel in 36-47N 065-05W at 082030Z jan
    Western North Atlantic
  36. HYDROLANT 16/122012-01-03 → 2012-01-14
    Red flares reported vicinity 42-52.996N 067-06.902W at 030012Z jan
    Western North Atlantic · Gulf of Maine
  37. HYDROLANT 2002/112011-11-27 → 2011-12-03
    Red flare sighted in 18-10.09N 042-41.00W at 262228Z nov
    North Atlantic
  38. HYDROLANT 1980/112011-11-25 → 2011-12-03
    S/V copihue reports crewman requiring medical assistance in 13-58N 051-57W at 250208Z nov
    Western North Atlantic
  39. HYDROLANT 1965/112011-11-23 → 2011-11-24
    Red and blue flare sighted in 21-51N 032-01W at 232359Z nov
    North Pacific
  40. HYDROLANT 1904/112011-11-15 → 2011-11-26
    White flare sighted in 33-04N 059-09W at 150520Z nov
    Western North Atlantic
  41. HYDROLANT 1898/112011-11-14 → 2011-11-19
    S/V kawama reports crewman with appendicitis in 14-47N 058-17W at 140600Z nov
    North Atlantic
  42. HYDROLANT 1784/112011-10-28 → 2011-10-29
    Nga chart 35073 (2ND ed)
    Scotland-north Coast
  43. HYDROLANT 1745/112011-10-23 → 2011-10-26
    12 meter long structure adrift vicinity 05-37.5N 016-13.0W at 231100Z oct
    Gulf of Guinea
  44. HYDROLANT 1601/112011-10-01 → 2011-11-20
    Nga chart 35008 (21ST ed)
    Northern North Sea
  45. HYDROLANT 1270/112011-08-11 → 2011-08-19
    Nga chart 51220 (8TH ed)
    Eastern North Atlantic · Morocco
  46. HYDROLANT 808/112011-05-12 → 2011-07-02
    Pipelaying operations in progress until further notice by M/V audacia vicinity of trackline joining 60-46.3N…
    Scotland-northwest Coast · Shetland Islands
  47. HYDROLANT 764/112011-05-05 → 2011-05-06
    Nga chart 51220 (8TH ed)
    Eastern North Atlantic · Morocco
  48. NAVAREA IV 131/112011-04-16 → 2011-04-19
    Odas buoy 44401 adrift vicinity 37-50-23N 049-57-16W
    Western North Atlantic
  49. HYDROLANT 423/112011-03-15 → 2011-03-17
    Nga chart 51220(8TH ed)
  50. NAVAREA IV 95/112011-03-13 → 2011-03-16
    Odas buoy 41046 adrift vicinity 23-43-00N 070-42-49W
    Western North Atlantic

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 13 · seahazards