North Atlantic Ocean

IHO sea area 23 · -83° to 7° E, 0° to 69° N

in force
57
last 12 months
48
since 1996
11,169
categories
15

In force now · 57

  1. NAVAREA IV 789/26 · Cable ops2026-08-14
    Underwater operations by cable ship ILE D'YEU along trackline in South Atlantic off Brazil, daily until 13 September, wide berth requested.
  2. HYDROLANT 1575/26 · Cable ops2026-08-14
    Underwater operations by cableship Ile d'Yeu continue daily until 13 September along a trackline in the South Atlantic off Brazil; wide berth requested.
  3. NAVAREA IV 788/26 · Debris2026-08-13
    A five-meter white and grey cylindrical object is adrift at 38-11.50N 053-32.50W; warning cancels August 16, 22:43 UTC.
  4. HYDROLANT 1568/26 · Cable ops2026-08-13
    Cable operations by ship ILE D OUESSANT occur from 15 to 20 August in an area near Canary Islands; wide berth requested.
  5. HYDROLANT 1558/26 · Derelicts2026-08-12
    A vessel is adrift at 29-03.30N 011-00.68W in the North Atlantic near Morocco as of August 12.
  6. NAVAREA IV 778/26 · Cable ops2026-08-11
    Cable ship Cable Vigilance is performing cable operations in the North Atlantic from August 15 to 28, 2026, requesting one mile berth.
  7. NAVAREA IV 776/26 · Missiles2026-08-10
    Rocket launching hazardous operations occur off Florida from August 16 to 22, with alternate times, in designated areas.
  8. HYDROLANT 1525/26 · Wrecks2026-08-07
    A dangerous wreck is located at 23-57.50N 015-50.00W in the North Atlantic near Western Sahara.
  9. HYDROLANT 1510/26 · Nav aids2026-08-05
    Noup Head light in the Orkney Islands has its range reduced to 12 miles.
  10. NAVAREA IV 755/26 · Missiles2026-08-05
    Rocket launching hazardous operations are scheduled near Florida in the North Atlantic from August 10 to 16, with alternate dates.
  11. HYDROLANT 1503/26 · Nav aids2026-08-04
    El Hank Light at 33-36.60N 007-39.28W is unlit.
  12. NAVAREA IV 750/26 · Nav aids2026-08-02
    NAVTEX station Miami at 25-30N 080-23W is inoperative; NAVAREA IV 748/26 is cancelled.
  13. NAVAREA IV 729/26 · Cable ops2026-07-26
    Cable operations by cableship Pierre de Fermat are in progress until 25 August between Aruba and Florida; wide berth requested.
  14. HYDROLANT 1421/26 · Nav aids2026-07-23
    Sidi Ifini lighthouse in Morocco, at 29-22.50N 010-10.70W, is unlit.
  15. NAVAREA IV 709/26 · Wrecks2026-07-21
    Motor vessel Barima is sunk in the North Atlantic off Guyana at 07 degrees 28.23 minutes north, 58 degrees 23.40 minutes west.
  16. NAVAREA IV 708/26 · Surveys2026-07-21
    Survey operations by vessel FUGRO DISCOVERY in North Atlantic off Virginia from July 23 to August 26, wide berth requested.
  17. NAVAREA IV 705/26 · Surveys2026-07-20
    Survey operations are underway until 31 December near Guyana by vessel AHT DN87 and tug TELESTO; wide berth requested.
  18. NAVAREA XII 486/26 · Other2026-07-16
    U.S. Coast Guard remote communication facility in Honolulu has unreliable transmissions; broadcasts moved to Guam, DSC responses to Point Reyes.
  19. NAVAREA IV 677/26 · Cable ops2026-07-10
    Cable operations by cable ship Reliance are in progress until 22 August along a trackline from 21-58.68N 044-28.46W to 30-50.64N 061-00.22W, requesting a two-mile berth.
  20. NAVAREA IV 670/26 · Nav aids2026-07-09
    Galeota Point Light, position 10 degrees 08.30 minutes north 060 degrees 59.50 minutes west, is unlit.
  21. NAVAREA IV 666/26 · Cable ops2026-07-08
    In the North Atlantic near Trinidad and Tobago, pipeline operations by vessel Seven Pegasus continue until 29 August 22:00 UTC; 500-meter berth requested.
  22. NAVAREA IV 663/26 · Cable ops2026-07-07
    Cable ship Ile de Molene is doing cable operations off Trinidad and Tobago from July 10 to August 15; one-mile berth requested.
  23. NAVAREA IV 659/26 · Cable ops2026-07-05
    Cable operations by ship Ile d'Yeu from 8 July to 31 August in North Atlantic off French Guiana, one mile berth requested.
  24. NAVAREA IV 658/26 · Cable ops2026-07-05
    Pipeline operations by vessel Saipem Constellation continue until 31 December off Guyana; wide berth requested.
  25. NAVAREA IV 653/26 · Nav aids2026-07-03
    Broadcast and communication services are unreliable at U.S. Coast Guard remote facilities in Boston, Chesapeake, Charleston, Miami, New Orleans, and San Juan.
  26. NAVAREA IV 649/26 · Cable ops2026-07-02
    Pipeline operations are in progress until 10:00 UTC on October 20 by vessel DLV 2000 near Trinidad and Tobago, with 500-meter berth requested.
  27. NAVAREA IV 640/26 · Cable ops2026-06-30
    Cable operations are in progress until August 31 in an area off French Guiana; one mile berth requested.
  28. NAVAREA IV 621/26 · Surveys2026-06-24
    Underwater operations by vessel Prinsengracht continue in Guyana until 31 Dec; wide berth requested.
  29. NAVAREA IV 616/26 · Surveys2026-06-23
    Survey operations by vessel Moonrise G continue in Guyana waters until November 15; wide berth requested.
  30. NAVAREA IV 615/26 · Surveys2026-06-23
    Survey operations by vessel BGP Prospector continue in the North Atlantic near Guyana until November 15, with wide berth requested.
  31. NAVAREA IV 586/26 · Surveys2026-06-15
    Underwater operations by vessel Normand Navigator continue until 31 Dec near Guyana, wide berth requested.
  32. NAVAREA IV 552/26 · Surveys2026-06-09
    Survey operations are underway until 16 November by vessel SeaQuest in an area near 58°W 07°N, wide berth requested.
  33. NAVAREA IV 551/26 · Surveys2026-06-09
    Survey operations by vessel Sea Horse II are in progress until 16 November in an area near 07-57N 058-27W to 07-11N 057-33W, wide berth requested.
  34. NAVAREA IV 538/26 · Surveys2026-06-05
    Underwater operations by vessel Handin Tide continue until 25 August in the North Atlantic off Guyana, near 08-00N 057-00W; wide berth requested.
  35. NAVAREA IV 539/26 · Surveys2026-06-05
    Underwater operations by vessel C-Worker 1 until 31 Dec in area from 07-54.85N 057-06.47W to 08-04.55N 056-50.16W, Guyana. Wide berth requested.
  36. NAVAREA IV 525/26 · Wrecks2026-06-02
    An obstruction 20 meters below surface lies at 24-50.93N 077-48.83W in the Bahamas until 30 November; cancel message Dec 1, 2026.
  37. NAVAREA IV 496/26 · Surveys2026-05-26
    Underwater operations by vessel Normand Navigator continue near Suriname from June 1 to August 31, requesting one mile berth.
  38. NAVAREA IV 413/26 · Nav aids2026-05-04
    Brigand Hill Light at 10-29.61N 061-04.20W now flashes five times every 20 seconds, visible 17 miles; navigational warning 406/26 is cancelled.
  39. HYDROLANT 585/26 · Nav aids2026-03-23
    PAP ODAS buoy is now at 48-56.30N 016-22.50W; Hydrolant 579/26 is cancelled.
  40. NAVAREA IV 222/26 · Wrecks2026-03-10
    Barge Trader III lies sunk at 06-53.77N 057-53.43W in the North Atlantic near Guyana.
  41. HYDROLANT 289/26 · Wrecks2026-02-10
    A dangerous wreck is located in the North Atlantic off Brazil at 00-24.48N 047-50.68W.
  42. NAVAREA IV 98/26 · Surveys2026-02-03
    Survey operations by vessel Fugro Brasilis are ongoing until 31 December 2026 off Guyana; wide berth requested.
  43. NAVAREA IV 55/26 · Nav aids2026-01-20
    Punta Barlovento Light at 20-43.20N 075-19.15W has its range changed to 14 miles.
  44. NAVAREA IV 7/26 · Cable ops2026-01-02
    Pipeline operations are in progress in the North Atlantic through December 31, 2026, by multiple vessels; wide berth is requested.
  45. NAVAREA IV 1431/25 · Surveys2025-12-31
    Survey operations by vessel BOS PRINCESS continue until 31 Dec 2026 off Guyana; wide berth requested.
  46. NAVAREA IV 1430/25 · Surveys2025-12-31
    Underwater operations by vessel Aldemir Souza Tide continue until 31 Dec 2026 in the North Atlantic; wide berth requested.
  47. NAVAREA IV 1413/25 · Nav aids2025-12-24
    Two ocean data buoys are established in the North Atlantic near Guyana at 06-57.93N 057-48.54W.
  48. NAVAREA IV 1282/25 · Nav aids2025-11-19
    The La Desirade light in Guadeloupe, Caribbean Sea, at 16-20.00N 061-00.33W is unlit.
  49. NAVAREA IV 872/25 · Nav aids2025-08-16
    Due to Hurricane Erin, lateral buoys 1, 2, and 4 are removed in the Dominican Republic, North Atlantic.
  50. NAVAREA IV 761/25 · Nav aids2025-07-22
    Safewater buoy LS at position 06-04.81N 055-12.82W is missing in Suriname, North Atlantic.
  51. NAVAREA IV 616/25 · Nav aids2025-06-13
    Messaging services are unavailable at USCG remote communication facilities in Boston, Chesapeake, Charleston, Miami, and New Orleans.
  52. NAVAREA IV 746/24 · Nav aids2024-06-27
    A data buoy has been established in the western North Atlantic at 47-53.93N 046-47.74W.
  53. NAVAREA IV 325/24 · Nav aids2024-03-21
    An ODAS buoy is established at 07-02.67N 057-58.65W in the western North Atlantic near Guyana.
  54. NAVAREA IV 12/24 · Surveys2024-01-03
    Underwater operations are in progress by vessels Bourbon Calm and Bourbon Sapphire in the Western North Atlantic; wide berth requested.
  55. NAVAREA IV 1377/23 · Nav aids2023-11-28
    Cabo Engano Lighthouse at 18-36.80N 068-19.50W is unlit.
  56. NAVAREA IV 227/22 · Nav aids2022-03-04
    In the Western North Atlantic, the Puerto Plata light in the Dominican Republic at 19-48.2N 070-41.7W is unlit.
  57. NAVAREA IV 1157/21 · Nav aids2021-12-28
    Ile de la Tortue west point light at 20-03-44N 072-58-02W is unlit.

Longest in force

  1. NAVAREA IV 1157/21 · Nav aids2021-12-28
    Ile de la Tortue west point light at 20-03-44N 072-58-02W is unlit.
  2. NAVAREA IV 227/22 · Nav aids2022-03-04
    In the Western North Atlantic, the Puerto Plata light in the Dominican Republic at 19-48.2N 070-41.7W is unlit.
  3. NAVAREA IV 1377/23 · Nav aids2023-11-28
    Cabo Engano Lighthouse at 18-36.80N 068-19.50W is unlit.
  4. NAVAREA IV 12/24 · Surveys2024-01-03
    Underwater operations are in progress by vessels Bourbon Calm and Bourbon Sapphire in the Western North Atlantic; wide berth requested.
  5. NAVAREA IV 325/24 · Nav aids2024-03-21
    An ODAS buoy is established at 07-02.67N 057-58.65W in the western North Atlantic near Guyana.

By year

96
97
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
25
26

By month (all years)

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

By category · since 1997

Exercises2,07419%
Cable ops1,57314%
Missiles1,51414%
Nav aids1,48313%
Other1,26611%
Surveys1,0609%
Derelicts9789%
Icebergs7697%
Containers2412%
Debris1021%
Wrecks711%
Piracy230%
Volcanic50%
Mines50%
Towing50%

Archive · 11,112 cancelled

  1. NAVAREA IV 452/23 · Cable ops2023-04-23 → 2023-05-11
    Cable operations daily 28 apr thru 10 may by cableship cable vigilance in area bound by 42-49.70N…
  2. NAVAREA IV 451/23 · Missiles2023-04-23 → 2023-04-29
    Hazardous operations, rocket launching 282112Z to 282327Z apr, alternate 292112Z to 292327Z apr, 2112Z to…
  3. HYDROLANT 871/23 · Containers2023-04-22 → 2023-04-25
    Container adrift in vicinity 36-54.64N 014-36.77W at 222050Z apr
  4. HYDROLANT 867/23 · Exercises2023-04-22 → 2023-04-23
    Gunnery exercises 230700Z to 230900Z and 231330Z to 231500Z apr in area bound by 47-40.00N 008-00.00W,…
  5. HYDROLANT 862/23 · Other2023-04-21 → 2023-05-05
    Flares sighted in 32-44.00N 078-33.00W
  6. NAVAREA IV 436/23 · Missiles2023-04-21 → 2023-04-28
    Hazardous operations, rocket launching 2324Z to 0118Z daily 26 apr thru 02 may in areas bound by: a.…
  7. NAVAREA IV 435/23 · Exercises2023-04-21 → 2023-04-26
    Hazardous operations 1100Z to 1900Z daily 25 and 26 apr: a. in area bound by 05-27.40N 052-40.00W, 05-27.40N…
  8. NAVAREA IV 434/23 · Surveys2023-04-21 → 2024-01-01
    Survey operations in progress until 31 dec by M/V sanco spirit in area bound by 08-45.24N 057-04.91W,…
  9. HYDROLANT 852/23 · Nav aids2023-04-20 → 2023-04-26
    Cgoc shetland mf dsc and r/t services at collafirth hill 60-32.00N 001-23.50W off air
  10. NAVAREA IV 431/23 · Surveys2023-04-20 → 2023-06-05
    Underwater operations by M/V joides resolution: a. in progress until 27 apr in 30-07.95N 042-07.23W
  11. NAVAREA XII 225/23 · Missiles2023-04-19 → 2023-04-28
    Hazardous operations, space debris 1100Z to 1900Z daily 20 thru 28 apr in area bound by 23-49.00N…
  12. HYDROPAC 1308/23 · Missiles2023-04-19 → 2023-04-28
    Hazardous operations, space debris 1100Z to 1900Z daily 20 thru 28 apr in area bound by 23-49.00N…
  13. NAVAREA IV 428/23 · Missiles2023-04-19 → 2023-04-26
    Hazardous operations, rocket launching 242300Z to 250045Z apr 23, alternate 2300Z to 0045Z daily 25 thru 28…
  14. NAVAREA XII 222/23 · Missiles2023-04-18 → 2023-04-23
    Hazardous operations, space debris 1100Z to 1900Z daily 20 thru 28 apr in area bound by 23-49.00N…
  15. NAVAREA IV 426/23 · Surveys2023-04-18 → 2023-04-21
    Survey operations 20 apr thru 31 dec by M/V sanco spirit in area bound by 08-45.24N 057-04.91W, 08-30.56N…
  16. NAVAREA IV 425/23 · Nav aids2023-04-18 → 2023-04-18
    Uscg remote communication facilities: a. boston (f) 41-42.80N 070-30.30W
  17. HYDROLANT 831/23 · Surveys2023-04-17 → 2023-04-26
    Survey operations 19 thru 25 apr in area bound by 48-00.00N 009-29.00W, 48-00.00N 007-56.00W, 46-54.00N…
  18. NAVAREA XII 215/23 · Missiles2023-04-15 → 2023-04-16
    Hazardous operations, space debris 171300Z to 171190Z, alternate 1300Z to 1900Z daily 18 thru 21 apr in area…
  19. HYDROPAC 1257/23 · Missiles2023-04-15 → 2023-04-16
    Hazardous operations, space debris 171300Z to 171190Z, alternate 1300Z to 1900Z daily 18 thru 21 apr in area…
  20. HYDROLANT 817/23 · Surveys2023-04-15 → 2023-05-05
    Survey operations in progress until 052100Z may by M/V guilherme V in area bound by 01-34.98N 049-01.40W,…

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