North Atlantic Ocean

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

in force
47
last 12 months
71
since 1996
11,240
categories
15

In force now · 47

  1. NAVAREA IV 833/26 · Surveys2026-08-27
    Trinidad and tobago
  2. NAVAREA IV 832/26 · Surveys2026-08-27
    Trinidad and tobago
  3. NAVAREA IV 827/26 · Surveys2026-08-25
    Trinidad and tobago
  4. NAVAREA IV 825/26 · Missiles2026-08-24
    Hazardous operations, rocket launching 301110Z to 301216Z aug, alternate 311110Z to 311216Z aug, 011107Z to…
  5. 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.
  6. NAVAREA IV 831/26 · Surveys2026-08-13
    Survey operations 01 sep thru 20 nov 26 by M/V hos ridgewind in area bound by 07-44.74N 056-13.99W,…
  7. 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.
  8. NAVAREA II 295/26 · Nav aids2026-08-04
    El Hank Lighthouse at Casablanca, 33-36.60N 007-39.28W, is unlit.
  9. 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.
  10. 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.
  11. 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.
  12. 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.
  13. 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.
  14. 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.
  15. NAVAREA IV 658/26 · Cable ops2026-07-05
    Pipeline operations by vessel Saipem Constellation continue until 31 December off Guyana; wide berth requested.
  16. 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.
  17. 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.
  18. 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.
  19. NAVAREA IV 621/26 · Surveys2026-06-24
    Underwater operations by vessel Prinsengracht continue in Guyana until 31 Dec; wide berth requested.
  20. NAVAREA IV 616/26 · Surveys2026-06-23
    Survey operations by vessel Moonrise G continue in Guyana waters until November 15; wide berth requested.
  21. 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.
  22. NAVAREA II 261/26 · Nav aids2026-06-23
    The Cap Hadid lighthouse near Agadir is unlit, located at 31-41.85N 009-39.86W.
  23. NAVAREA IV 586/26 · Surveys2026-06-15
    Underwater operations by vessel Normand Navigator continue until 31 Dec near Guyana, wide berth requested.
  24. 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.
  25. 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.
  26. 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.
  27. 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.
  28. 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.
  29. 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.
  30. HYDROLANT 585/26 · Nav aids2026-03-23
    PAP ODAS buoy is now at 48-56.30N 016-22.50W; Hydrolant 579/26 is cancelled.
  31. 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.
  32. NAVAREA IV 98/26 · Surveys2026-02-03
    Survey operations by vessel Fugro Brasilis are ongoing until 31 December 2026 off Guyana; wide berth requested.
  33. 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.
  34. 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.
  35. NAVAREA IV 1431/25 · Surveys2025-12-31
    Survey operations by vessel BOS PRINCESS continue until 31 Dec 2026 off Guyana; wide berth requested.
  36. 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.
  37. 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.
  38. 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.
  39. 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.
  40. 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.
  41. 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.
  42. 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.
  43. 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.
  44. 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.
  45. NAVAREA IV 1377/23 · Nav aids2023-11-28
    Cabo Engano Lighthouse at 18-36.80N 068-19.50W is unlit.
  46. 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.
  47. 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

Exercises2,08019%
Cable ops1,58614%
Missiles1,52714%
Nav aids1,49913%
Other1,26811%
Surveys1,07810%
Derelicts9799%
Icebergs7697%
Containers2412%
Debris1021%
Wrecks731%
Piracy230%
Volcanic50%
Mines50%
Towing50%

Archive · 11,193 cancelled

  1. NAVAREA IV 476/14 · Missiles2014-06-24 → 2014-07-02
    Hazardous operations 280800Z to 280930Z jun, alternate 0800Z to 0930Z daily 29 jun thru 02 jul within: a.…
  2. NAVAREA IV 475/14 · Icebergs2014-06-23 → 2014-06-25
    240001Z jun iceberg limit along trackline joining 47-36N 057-15W, 46-00N 057-15W, 40-45N 050-15W, 40-15N…
  3. NAVAREA IV 474/14 · Derelicts2014-06-23 → 2014-06-26
    Derelict 30 foot S/V hui buh adrift in 34-38.08N 038-07.61W at 231800Z jun
  4. NAVAREA IV 470/14 · Icebergs2014-06-22 → 2014-06-24
    230001Z jun iceberg limit along trackline joining 47-36N 057-15W, 46-00N 057-15W, 40-45N 050-45W, 40-30N…
  5. NAVAREA IV 468/14 · Missiles2014-06-22 → 2014-06-26
    Hazardous operations 260930Z to 261430Z jun, alternate 270930Z to 271430Z jun within: a. three miles of…
  6. NAVAREA IV 467/14 · Missiles2014-06-22 → 2014-06-23
    Hazardous operations 222130Z to 230036Z jun in areas bound by: a. 28-39N 080-37W, 28-40N 080-31W, 29-15N…
  7. HYDROLANT 1513/14 · Cable ops2014-06-19 → 2014-07-15
    Seismic survey in progress until 15 jul by M/V ocean endeavour in area bound by 05-44.25N 050-03.25W,…
  8. NAVAREA IV 458/14 · Missiles2014-06-18 → 2014-06-22
    Hazardous operations 202208Z to 202330Z jun, alternate 212146Z to 212308Z and 222124Z to 222246Z jun in…
  9. HYDROLANT 1495/14 · Nav aids2014-06-16 → 2014-06-26
    Morocco
  10. NAVAREA IV 453/14 · Missiles2014-06-16 → 2014-06-18
    Hazardous operations 202208Z to 202330Z jun, alternate 212146Z to 212308Z jun in areas bound by: a. 28-39N…
  11. HYDROLANT 1492/14 · Containers2014-06-16 → 2014-06-19
    Container adrift vicinity 46-24N 011-45W at 160840Z jun
  12. NAVAREA IV 441/14 · Exercises2014-06-13 → 2014-06-13
    Hazardous operations
  13. HYDROLANT 1462/14 · Exercises2014-06-12 → 2014-06-12
    Gunnery exercises 121500Z to 121630Z jun in area bound by 37-50N 020-20W, 37-29N 020-27W, 37-31N 020-08W,…
  14. NAVAREA IV 437/14 · Missiles2014-06-11 → 2014-06-13
    Hazardous operations 160001Z to 160122Z jun, alternate 162338Z to 170100Z jun in areas bound by: a. 28-39N…
  15. HYDROLANT 1449/14 · Surveys2014-06-10 → 2014-06-20
    Underwater operations in progress until 192359Z jun by M/V le suroit in: a. 37-04.9N 031-55.2W
  16. NAVAREA IV 426/14 · Missiles2014-06-08 → 2014-06-10
    Hazardous operations 130107Z to 130229Z jun, alternate 140045Z to 140207Z jun in areas bound by: a. 28-39N…
  17. HYDROLANT 1430/14 · Cable ops2014-06-08 → 2014-07-26
    Seismic survey in progress until further notice by M/V wg amundsen towing 11 5500 meter long cables in area…
  18. NAVAREA IV 420/14 · Cable ops2014-06-05 → 2014-07-08
    Cable operations 07 jun thru 07 jul by cableship ile de brehat along trackline joining 28-43.0N 076-08.0W,…
  19. NAVAREA IV 419/14 · Other2014-06-05 → 2014-06-08
    Odas buoy 44140 adrift vicinity 24-51.7N 038-26.2W at 051700Z jun
  20. HYDROLANT 1411/14 · Cable ops2014-06-05 → 2014-06-30
    Cable operations 07 jun thru 09 jul by cableship ile de batz along trackline joining 43-07.9N 034-36.9W,…

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