North Atlantic Ocean

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

in force
49
last 12 months
73
since 1996
11,242
categories
15

In force now · 49

  1. NAVAREA II 311/26 · Exercises2026-08-29
    Firing exercise in restricted area within 20 miles of Bravo 29-53N 010-15W between 270 and 360 degrees near Agadir and Tarfaya. Navigate with caution.
  2. NAVAREA II 310/26 · Exercises2026-08-29
    A firing exercise is taking place within 20 miles of 23-35N 017-00W, between 270 and 360 degrees from Cap Blanc.
  3. NAVAREA IV 833/26 · Surveys2026-08-27
    Survey operations by vessel Delta Skipper are underway near Trinidad and Tobago until September 2 at 18:00, requesting a 500 meter berth.
  4. NAVAREA IV 832/26 · Surveys2026-08-27
    Underwater operations by vessel Seven Seas near Trinidad and Tobago until 052200 UTC December, 500 meter berth requested.
  5. NAVAREA IV 827/26 · Surveys2026-08-25
    Survey operations are in progress near Trinidad and Tobago until September 1, 2026, by vessel Ocean Intervention II; a 500-meter berth is requested.
  6. NAVAREA IV 825/26 · Missiles2026-08-24
    Hazardous rocket launching operations are scheduled in the North Atlantic near Florida from August 30 to September 5, with alternate windows.
  7. 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.
  8. NAVAREA IV 831/26 · Surveys2026-08-13
    Survey operations by vessel HOS Ridgewind are underway off Guyana from September 1 to November 20, 2026, in a bounded area; wide berth requested.
  9. NAVAREA II 298/26 · Wrecks2026-08-07
    A newly discovered dangerous wreck is located at 23-57.50N 015-50.00W near Cap Blanc; navigate with caution.
  10. NAVAREA II 295/26 · Nav aids2026-08-04
    El Hank Lighthouse at Casablanca, 33-36.60N 007-39.28W, is unlit.
  11. 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.
  12. 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.
  13. 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.
  14. 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.
  15. 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.
  16. 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.
  17. NAVAREA IV 658/26 · Cable ops2026-07-05
    Pipeline operations by vessel Saipem Constellation continue until 31 December off Guyana; wide berth requested.
  18. 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.
  19. 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.
  20. 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.
  21. NAVAREA IV 621/26 · Surveys2026-06-24
    Underwater operations by vessel Prinsengracht continue in Guyana until 31 Dec; wide berth requested.
  22. NAVAREA IV 616/26 · Surveys2026-06-23
    Survey operations by vessel Moonrise G continue in Guyana waters until November 15; wide berth requested.
  23. 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.
  24. NAVAREA II 261/26 · Nav aids2026-06-23
    The Cap Hadid lighthouse near Agadir is unlit, located at 31-41.85N 009-39.86W.
  25. NAVAREA IV 586/26 · Surveys2026-06-15
    Underwater operations by vessel Normand Navigator continue until 31 Dec near Guyana, wide berth requested.
  26. 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.
  27. 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.
  28. 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.
  29. 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.
  30. 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.
  31. 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.
  32. HYDROLANT 585/26 · Nav aids2026-03-23
    PAP ODAS buoy is now at 48-56.30N 016-22.50W; Hydrolant 579/26 is cancelled.
  33. 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.
  34. NAVAREA IV 98/26 · Surveys2026-02-03
    Survey operations by vessel Fugro Brasilis are ongoing until 31 December 2026 off Guyana; wide berth requested.
  35. 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.
  36. 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.
  37. NAVAREA IV 1431/25 · Surveys2025-12-31
    Survey operations by vessel BOS PRINCESS continue until 31 Dec 2026 off Guyana; wide berth requested.
  38. 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.
  39. 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.
  40. 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.
  41. 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.
  42. 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.
  43. 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.
  44. 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.
  45. 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.
  46. 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.
  47. NAVAREA IV 1377/23 · Nav aids2023-11-28
    Cabo Engano Lighthouse at 18-36.80N 068-19.50W is unlit.
  48. 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.
  49. 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

Exercises2,08219%
Cable ops1,58614%
Missiles1,52714%
Nav aids1,49913%
Other1,26811%
Surveys1,07810%
Derelicts9799%
Icebergs7697%
Containers2412%
Debris1021%
Wrecks731%
Piracy230%
Volcanic50%
Towing50%
Mines50%

Archive · 11,193 cancelled

  1. NAVAREA IV 394/14 · Surveys2014-05-30 → 2014-07-01
    Survey operations 310001Z may to 302359Z jun by M/V coriolis II in area bound by 42-23.62N 064-03.16W,…
  2. HYDROLANT 1346/14 · Cable ops2014-05-30 → 2014-05-31
    Seismic survey in progress until 30 sep by M/V western neptune and M/V western regent towing 12 8100 meter…
  3. NAVAREA IV 393/14 · Icebergs2014-05-29 → 2014-05-31
    300001Z may iceberg limit along trackline joining 47-37N 058-40W, 40-15N 050-00W, 40-15N 047-15W, 45-30N…
  4. HYDROLANT 1340/14 · Surveys2014-05-29 → 2014-05-31
    Underwater operations 291900Z to 311900Z may by M/V james cook along trackline joining 27-36.7N 014-12.7W,…
  5. NAVAREA IV 392/14 · Icebergs2014-05-28 → 2014-05-30
    290001Z may iceberg limit along trackline joining 47-37N 058-40W, 40-15N 050-00W, 40-15N 047-15W, 45-30N…
  6. NAVAREA IV 391/14 · Exercises2014-05-28 → 2014-05-31
    Hazardous operations
  7. HYDROLANT 1326/14 · Surveys2014-05-28 → 2014-05-29
    Underwater operations 281400Z to 291400Z may by M/V james cook in 27-10.5N 015-23.5W
  8. NAVAREA IV 390/14 · Icebergs2014-05-27 → 2014-05-29
    280001Z may iceberg limit along trackline joining 47-37N 058-40W, 40-15N 050-00W, 40-15N 047-45W, 45-30N…
  9. NAVAREA IV 389/14 · Icebergs2014-05-26 → 2014-05-28
    270001Z may iceberg limit along trackline joining 47-38N 058-40W, 40-15N 050-00W, 40-15N 048-00W, 45-30N…
  10. HYDROLANT 1316/14 · Surveys2014-05-26 → 2014-05-26
    Underwater operations in progress until 262100Z may by M/V james cook in 24-56.0N 021-16.4W
  11. NAVAREA IV 387/14 · Icebergs2014-05-25 → 2014-05-27
    260001Z may iceberg limit along trackline joining 47-38N 058-40W, 40-15N 050-00W, 40-15N 048-00W, 45-30N…
  12. NAVAREA IV 384/14 · Icebergs2014-05-24 → 2014-05-26
    250001Z may iceberg limit along trackline joining 47-39N 058-34W, 40-15N 049-45W, 40-15N 048-00W, 45-45N…
  13. HYDROLANT 1305/14 · Missiles2014-05-24 → 2014-05-26
    Hazardous operations 2056Z to 2310Z daily 28 may thru 28 jun in area bound by 01-11N 000-08W, 00-37S…
  14. NAVAREA IV 382/14 · Missiles2014-05-24 → 2014-05-26
    Hazardous operations 2027Z to 2310Z daily 28 may thru 28 jun in areas bound by: a. 05-16N 047-29W, 04-45N…
  15. HYDROLANT 1303/14 · Missiles2014-05-23 → 2014-05-24
    Hazardous operations 2027Z to 2310Z daily 28 may thru 29 jun in area bound by 05-16N 047-29W, 04-45N…
  16. NAVAREA IV 381/14 · Icebergs2014-05-23 → 2014-05-25
    240001Z may iceberg limit along trackline joining 47-39N 058-34W, 40-30N 050-00W, 40-30N 048-15W, 45-45N…
  17. NAVAREA IV 379/14 · Derelicts2014-05-23 → 2014-05-26
    Derelict 41 foot S/V elusive adrift vicinity 35-45N 068-26W at 231200Z may
  18. HYDROLANT 1292/14 · Missiles2014-05-22 → 2014-05-23
    Hazardous operations 280000Z to 282359Z may in area bound by 05-16N 047-29W, 04-45N 047-31W, 04-48N 048-31W,…
  19. NAVAREA IV 377/14 · Icebergs2014-05-22 → 2014-05-24
    230001Z may iceberg limit along trackline joining 47-39N 058-34W, 41-30N 050-45W, 41-15N 048-45W, 45-45N…
  20. HYDROLANT 1290/14 · Nav aids2014-05-22 → 2014-05-23
    Mrcc shetland mf r/t and dsc services at collafirth hill 60-32N 001-23W inoperative

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