North Atlantic Ocean

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

in force
51
last 12 months
58
since 1996
11,227
categories
15

In force now · 51

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. HYDROLANT 1510/26 · Nav aids2026-08-05
    Noup Head light in the Orkney Islands has its range reduced to 12 miles.
  8. HYDROLANT 1503/26 · Nav aids2026-08-04
    El Hank Light at 33-36.60N 007-39.28W is unlit.
  9. NAVAREA II 295/26 · Nav aids2026-08-04
    El Hank Lighthouse at Casablanca, 33-36.60N 007-39.28W, is unlit.
  10. 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.
  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 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.
  13. 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.
  14. 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.
  15. 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.
  16. 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.
  17. 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.
  18. NAVAREA IV 658/26 · Cable ops2026-07-05
    Pipeline operations by vessel Saipem Constellation continue until 31 December off Guyana; wide berth requested.
  19. 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.
  20. 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.
  21. 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.
  22. NAVAREA IV 621/26 · Surveys2026-06-24
    Underwater operations by vessel Prinsengracht continue in Guyana until 31 Dec; wide berth requested.
  23. NAVAREA IV 616/26 · Surveys2026-06-23
    Survey operations by vessel Moonrise G continue in Guyana waters until November 15; wide berth requested.
  24. 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.
  25. NAVAREA II 261/26 · Nav aids2026-06-23
    The Cap Hadid lighthouse near Agadir is unlit, located at 31-41.85N 009-39.86W.
  26. NAVAREA IV 586/26 · Surveys2026-06-15
    Underwater operations by vessel Normand Navigator continue until 31 Dec near Guyana, wide berth requested.
  27. 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.
  28. 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.
  29. 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.
  30. 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.
  31. 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.
  32. 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.
  33. 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.
  34. HYDROLANT 585/26 · Nav aids2026-03-23
    PAP ODAS buoy is now at 48-56.30N 016-22.50W; Hydrolant 579/26 is cancelled.
  35. 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.
  36. NAVAREA IV 98/26 · Surveys2026-02-03
    Survey operations by vessel Fugro Brasilis are ongoing until 31 December 2026 off Guyana; wide berth requested.
  37. 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.
  38. 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.
  39. NAVAREA IV 1431/25 · Surveys2025-12-31
    Survey operations by vessel BOS PRINCESS continue until 31 Dec 2026 off Guyana; wide berth requested.
  40. 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.
  41. 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.
  42. 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.
  43. 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.
  44. 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.
  45. 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.
  46. 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.
  47. 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.
  48. 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.
  49. NAVAREA IV 1377/23 · Nav aids2023-11-28
    Cabo Engano Lighthouse at 18-36.80N 068-19.50W is unlit.
  50. 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.
  51. 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

Exercises2,07919%
Cable ops1,58414%
Missiles1,52514%
Nav aids1,49913%
Other1,26711%
Surveys1,07210%
Derelicts9789%
Icebergs7697%
Containers2412%
Debris1021%
Wrecks731%
Piracy230%
Volcanic50%
Mines50%
Towing50%

Archive · 11,176 cancelled

  1. NAVAREA IV 531/19 · Surveys2019-06-21 → 2020-01-01
    Survey operations in progress until 31 dec 19 by M/V pacific legend in area bound by 08-08.077N 056-57.841W,…
  2. HYDROLANT 1866/19 · Missiles2019-06-21 → 2019-06-24
    Hazardous operations: a. torpedo exercises 220900Z to 221500Z in area between 38-10N 37-30N and 009-30W…
  3. HYDROLANT 1856/19 · Surveys2019-06-20 → 2019-06-23
    Underwater operations 210001Z to 230001Z jun by sarmiento de gamboa in area bound by 46-20N 027-36W, 46-20N…
  4. NAVAREA IV 527/19 · Missiles2019-06-20 → 2019-06-25
    Hazardous operations, rocket launching 250325Z to 250822Z, alternate 260325Z to 260822Z jun in areas bound…
  5. HYDROLANT 1841/19 · Missiles2019-06-19 → 2019-06-21
    Missile operations 230500Z to 231900Z jun, alternate 240500Z to 241900Z jun in area bound by 35-58.0N…
  6. HYDROLANT 1828/19 · Surveys2019-06-18 → 2019-06-20
    Underwater operations in progress until 201200Z jun notice by M/V polarstern along trackline joining…
  7. HYDROLANT 1818/19 · Exercises2019-06-17 → 2019-06-28
    Hazardous operations 190600Z to 282200Z jun in area bound by 38-50N 009-50W, 38-50N 009-28W, 37-36N 008-49W,…
  8. NAVAREA IV 509/19 · Cable ops2019-06-17 → 2019-06-26
    Cable operations in progress until 271500Z jun by M/V rebecca along trackline joining 40-51-03N 054-58-05W,…
  9. NAVAREA IV 508/19 · Missiles2019-06-17 → 2019-06-17
    Hazardous operations, rocket launching 200915Z to 201415Z jun, alternate 0915Z to 1415Z daily 21 and 22 jun…
  10. NAVAREA IV 506/19 · Cable ops2019-06-16 → 2019-06-27
    Cable operations 211200Z jun to 021200Z jul by cableship lida along trackline joining 44-57.10N 045-04.50W,…
  11. NAVAREA IV 504/19 · Missiles2019-06-15 → 2019-06-24
    Hazardous operation, rocket launching 2133Z to 0030Z commencing daily 20 jun thru 20 jul in area bound by…
  12. NAVAREA IV 500/19 · Surveys2019-06-14 → 2019-09-22
    Survey operation in progress until 21 sep by M/V harvey eagle in area bound by 08-14.81N 057-25.09W,…
  13. NAVAREA IV 499/19 · Surveys2019-06-14 → 2019-07-04
    Survey operations in progress until 03 jul by M/V delta monarch in area bound by 07-40.10N 057-16.70W,…
  14. NAVAREA IV 498/19 · Surveys2019-06-14 → 2019-06-26
    Survey operation in progress until 31 dec by M/V ramform tethys, M/V delta monarch, M/V miss megan and M/V…
  15. HYDROLANT 1792/19 · Exercises2019-06-14 → 2019-06-15
    Gunnery exercises 151000Z to 151500Z jun in area within eight miles of 12-44N 017-44W
  16. HYDROLANT 1791/19 · Cable ops2019-06-14 → 2019-06-19
    Seismic survey 150001Z to 190001Z jun by M/V sarmiento de gamboa with submersible in area bound by 45-47N…
  17. NAVAREA IV 496/19 · Derelicts2019-06-14 → 2019-06-17
    Derelict 38 foot S/V boundless, white with blue trim, adrift in 40-31.8N 045-34.5W
  18. HYDROLANT 1787/19 · Wrecks2019-06-14 → 2020-07-10
    Dangerous wrecks reported in: a. 14-36.6N 017-26.3W
  19. NAVAREA IV 494/19 · Surveys2019-06-13 → 2019-07-02
    Survey operations 14 jun thru 30 jul by M/V harrier explorer and M/V shannon in area bound by 08-30.00N…
  20. HYDROLANT 1771/19 · Wrecks2019-06-12 → 2022-03-18
    Dangerous wreck reported in 20-53.27N 016-55.99W

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