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
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24
26

By month (all years)

J
F
M
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M
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J
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S
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N
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Other hazards in the North Atlantic Ocean

Archive · 1,266 cancelled

  1. HYDROLANT 1122/232023-05-22 → 2023-06-09
    Two persons overboard from F/V in vicinity 13-44.00N 017-07.00W at 220200Z may
    Eastern North Atlantic · Senegal
  2. HYDROLANT 1069/232023-05-15 → 2023-05-17
    100 meter pontoon, black hull, adrift in vicinity 44-53.00N 020-50.00W at 141830Z may
    Eastern North Atlantic
  3. HYDROLANT 1057/232023-05-13 → 2023-05-16
    Buoy, red, reported adrift in 40-19.84N 030-58.30W
    North Atlantic · Azores
  4. HYDROLANT 1054/232023-05-13 → 2023-05-14
    100 meters long platform adrift in vicinity 45-06.00N 021-06.00W at 131050Z may
    Eastern North Atlantic
  5. NAVAREA IV 508/232023-05-08 → 2023-05-12
    Oil spill response operations 111000Z to 120100Z may by M/V sd power and M/V madam kalina in 06-56.91N…
    Western North Atlantic · Guyana
  6. HYDROLANT 989/232023-05-07 → 2023-05-07
    S/V maru requesting assistance in vicinity 33-33.79N 056-34.79W at 070645Z may
    Western North Atlantic
  7. HYDROLANT 932/232023-05-01 → 2023-05-19
    Nine red flares sighted in 29-11.00N 047-00.00W
    Western North Atlantic
  8. NAVAREA IV 473/232023-04-28 → 2023-05-01
    Pipe adrift in vicinity 25-11.75N 058-33.58W
    Western North Atlantic
  9. NAVAREA IV 464/232023-04-26 → 2023-05-18
    Operations in progress until 17 may apr by M/V atlantic spirit in 07-21.61N 055-41.02W
    Western North Atlantic · Suriname
  10. HYDROLANT 862/232023-04-21 → 2023-05-05
    Flares sighted in 32-44.00N 078-33.00W
    Western North Atlantic · South Carolina
  11. HYDROLANT 737/232023-04-05 → 2023-04-21
    Two red flares sighted in 30-16.98N 068-42.53W at 050645Z apr
    Western North Atlantic
  12. NAVAREA IV 329/232023-03-23 → 2024-04-19
    Navigation prohibited until further notice in areas bound by: a. 28-22.00N 074-43.00W, 28-22.00N 074-32.00W,…
    Western North Atlantic
  13. NAVAREA IV 326/232023-03-23 → 2023-03-23
    Navigation prohibited until further notice in area bound by 28-08.00N 068-56.00W, 28-08.00N 070-12.00W,…
    Western North Atlantic
  14. HYDROLANT 596/232023-03-18 → 2023-04-07
    M/V fulmar reports crewman with cardiorespiratory arrest requiring medical evacuation in 30-48.00N…
    North Atlantic
  15. HYDROLANT 520/232023-03-08 → 2023-04-06
    Radar jamming exercises 0800Z to 1600Z daily 13 mar thru 06 apr in area within 27 miles of 57-21.50N…
    Eastern North Atlantic · Little Minch · Scotland
  16. NAVAREA IV 196/232023-02-22 → 2023-07-02
    Uscg remote communication facility miami (a) 25-37.40N 080-23.37W unable to receive hf dsc voice and data…
    Western North Atlantic · Florida
  17. NAVAREA IV 195/232023-02-22 → 2023-02-22
    Uscg remote communication facility miami (a) 25-37.40N 080-23.37W unable to receive hf dsc data calls
    Western North Atlantic · Florida
  18. HYDROLANT 261/232023-02-02 → 2023-02-17
    Red flare sighted in 22-25.10N 077-46.40W
    Old Bahama Channel · Cuba
  19. NAVAREA IV 92/232023-01-21 → 2023-01-24
    Odas buoy 44017 adrift in vicinity 40-41.34N 072-02.56W at 211400Z jan
    Western North Atlantic · New York
  20. HYDROLANT 172/232023-01-21 → 2023-02-10
    Possible persons in water in vicinity 22-39.81N 078-27.01W
    Old Bahama Channel · Western North Atlantic · Cuba
  21. HYDROLANT 129/232023-01-16 → 2023-02-03
    One red flare sighted in 19-58.00N 067-35.00W
    Western North Atlantic
  22. HYDROLANT 117/232023-01-14 → 2023-02-03
    Two persons overboard from F/V in vicinity 14-22.00N 017-17.00W at 130001Z jan
    Eastern North Atlantic · Senegal
  23. HYDROLANT 3337/222022-12-31 → 2023-01-20
    Collision between merchant vessel and fishing vessel in vicinity 10-38.00N 052-00.00W at 310005Z dec
    Western North Atlantic
  24. NAVAREA IV 1396/222022-12-26 → 2023-08-04
    Taliskar whiskey atlantic challenge in progress until further notice by 43 rowboats in vicinity of trackline…
    Eastern Caribbean Sea · North Atlantic · Canary Islands To Antigua and Barbuda
  25. HYDROLANT 3264/222022-12-21 → 2022-12-20
    Two red flares sighted in 13-07.58N 051-23.18W at 210220Z dec
    Western North Atlantic
  26. NAVAREA IV 1351/222022-12-14 → 2022-12-15
    Uscg remote communication facility portsmouth (n) 36-43.70N 076-00.60W services unreliable 152000Z to…
    United States · Virginia
  27. HYDROLANT 3196/222022-12-13 → 2023-01-13
    M/V luna eggs reports crewman requiring medical assistance in 16-34.00N 041-30.26W at 130910Z dec
    North Atlantic
  28. HYDROLANT 3194/222022-12-13 → 2023-01-13
    Six red flares sighted in 31-30.57N 080-09.79W
    Western North Atlantic · Georgia
  29. NAVAREA IV 1327/222022-12-08 → 2023-01-13
    Hazardous operation, space launch 2020Z to 2328Z daily 13 dec thru 12 jan 23 in area bound by 05-18.00N…
    Western North Atlantic · French Guiana
  30. NAVAREA IV 1309/222022-12-05 → 2022-12-06
    Dinghy, dark grey hull, drifting in 15-50.50N 037-59.11W at 041645Z 04 dec
    North Atlantic
  31. HYDROLANT 3036/222022-11-25 → 2022-12-09
    M/V alika reports two crewman requiring medical assistance in 20-34N 043-59W at 250115Z nov
    North Atlantic
  32. HYDROLANT 3028/222022-11-25 → 2022-11-25
    S/V alika reports two persons requiring medical assistance in 18-47.42N 042-42.28W
    North Atlantic
  33. HYDROLANT 3019/222022-11-24 → 2022-11-25
    S/V alika reports two persons requiring medical assistance in 17-55.98N 041-23.83W at 240115Z nov
    North Atlantic
  34. HYDROLANT 3003/222022-11-23 → 2022-12-09
    Parachute flares reported in vicinity 25-55.00N 014-40.00W at 222125Z nov
    Eastern North Atlantic · Western Sahara
  35. HYDROLANT 2995/222022-11-21 → 2022-11-24
    S/V alika reports two persons requiring medical assistance in 16-34.71N 036-14.77W
    North Atlantic
  36. HYDROLANT 2988/222022-11-21 → 2022-11-21
    S/V alika reports two persons requiring medical assistance in 16-42.00N 034-59.00W
    North Atlantic
  37. HYDROLANT 2955/222022-11-17 → 2022-11-19
    Underwater exercises 190830Z to 191730Z nov in area within 40 miles of 46-00.00N 006-40.00W
    Eastern North Atlantic · Bay of Biscay · France
  38. NAVAREA IV 1216/222022-11-15 → 2022-11-18
    Due to hurricane nicole: 1. the following port(s) are closed: none to report
    Western North Atlantic · Florida
  39. NAVAREA IV 1200/222022-11-12 → 2022-11-15
    Due to hurricane nicole: 1. the following port(s) are closed: none to report
    Gulf of Mexico · Western North Atlantic · Florida
  40. NAVAREA IV 1190/222022-11-09 → 2022-11-10
    Due to tropical storm nicole: 1. the following port(s) are closed: a. port canaveral 28-25N 080-37W
    Straits of Florida · Western North Atlantic · Florida
  41. NAVAREA IV 1184/222022-11-09 → 2022-11-09
    Due to tropical storm nicole: 1. the following port(s) are closed: a. miami 25-47.0N 080-11.0W
    Straits of Florida · Western North Atlantic · Florida
  42. NAVAREA IV 1183/222022-11-08 → 2022-11-09
    Due to tropical storm nicole: 1. the following port(s) are closed: none to report
    Straits of Florida · Western North Atlantic · Florida
  43. NAVAREA IV 1179/222022-11-08 → 2022-11-08
    Due to tropical storm nicole: 1. the following port(s) are closed: none to report
    Straits of Florida · Florida
  44. NAVAREA IV 1168/222022-11-04 → 2022-11-07
    Odas buoy 41420 adrift in vicinity 23-14.50N 067-27.95W at 040700Z nov
    Western North Atlantic
  45. HYDROLANT 2779/222022-11-01 → 2022-12-02
    Fire reported on vessel in vicinity 27-55.00N 079-47.00W
    Western North Atlantic · Florida
  46. HYDROLANT 2704/222022-10-24 → 2022-10-28
    Cgoc shetland mf r/t services at collafirth hill 60-32.00N 001-23.50W unreliable
    Eastern North Atlantic · Shetland Islands
  47. HYDROLANT 2675/222022-10-21 → 2022-10-24
    Cgoc shetland mf r/t services at collafirth hill 60-32.00N 001-23.50W unreliable
    Eastern North Atlantic · Shetland Islands
  48. HYDROLANT 2575/222022-10-10 → 2022-10-28
    Person requiring medical assistance in vicinity 48-00.00N 049-00.00W
    Western North Atlantic
  49. NAVAREA IV 1029/222022-10-04 → 2022-10-05
    Uscg remote communication facility miami (a) 25-37.4N 080-23.4W hf dsc and hf receive services inoperable
    Florida
  50. NAVAREA IV 1025/222022-10-01 → 2022-10-05
    Due to tropical cyclone ian: 1. the following port(s) are closed: none to report
    Gulf of Mexico · Western North Atlantic · Florida To North Carolina

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 2 · seahazards