North Atlantic Ocean

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

in force
51
last 12 months
64
since 1996
11,233
categories
15

In force now · 51

  1. NAVAREA II 307/26 · Other2026-08-24
    Drifting vessel Horizon Jade adrift near Cap Blanc at 23-07N 017-12W as of 242230 UTC August 26, navigate with caution.
  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. 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.
  4. 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.
  5. 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.
  6. 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.
  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. HYDROLANT 1510/26 · Nav aids2026-08-05
    Noup Head light in the Orkney Islands has its range reduced to 12 miles.
  9. HYDROLANT 1503/26 · Nav aids2026-08-04
    El Hank Light at 33-36.60N 007-39.28W is unlit.
  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 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 ops1,58514%
Missiles1,52614%
Nav aids1,49913%
Other1,26811%
Surveys1,07410%
Derelicts9799%
Icebergs7697%
Containers2412%
Debris1021%
Wrecks731%
Piracy230%
Volcanic50%
Mines50%
Towing50%

Archive · 11,182 cancelled

  1. NAVAREA IV 565/18 · Exercises2018-07-17 → 2018-07-23
    Hazardous operations 220545Z to 221042Z jul, alternate 230545Z to 231042Z jul in areas bound by: a. 28-38N…
  2. HYDROLANT 2320/18 · Cable ops2018-07-17 → 2018-09-28
    Cable operations in progress until further notice by M/V layla in vicinity of trackline joining 62-54.00N…
  3. HYDROLANT 2310/18 · Cable ops2018-07-16 → 2018-07-19
    Cable operations in progress until further notice by M/V lida along trackline joining 61-56.6N 030-27.8W,…
  4. HYDROLANT 2304/18 · Cable ops2018-07-14 → 2018-07-16
    Cable operations 15 jul until further notice by M/V lida along trackline joining 62-59.3N 030-47.0W,…
  5. HYDROLANT 2300/18 · Cable ops2018-07-14 → 2018-07-14
    Cable operations in progress until further notice by M/V lida along trackline between 62-39.0N 025-42.3W and…
  6. HYDROLANT 2296/18 · Surveys2018-07-13 → 2018-07-18
    Survey operations in progress until 28 jul by M/V sarmiento de gamboa in area bound by 33-54N 007-40W,…
  7. HYDROLANT 2276/18 · Nav aids2018-07-13 → 2018-07-16
    Flannan isles light 58-17.3N 007-35.4W unreliable
  8. HYDROLANT 2240/18 · Cable ops2018-07-10 → 2018-07-14
    Cable operations in progress until further notice by MV lida in area bound by 62-30.0N 027-03.0W, 62-23.9N…
  9. HYDROLANT 2221/18 · Surveys2018-07-08 → 2018-07-12
    Survey operations in progress until 12 jul by M/V sarmiento de gamboa in area bound by 42-47N 011-33W,…
  10. NAVAREA IV 540/18 · Nav aids2018-07-07 → 2018-07-09
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W off air
  11. HYDROLANT 2200/18 · Cable ops2018-07-06 → 2018-07-12
    Cable operations 091600Z to 131400Z jul by cableship ile de brehat along trackline between 36-04N 006-27W…
  12. NAVAREA IV 537/18 · Surveys2018-07-06 → 2018-09-16
    Survey operations 11 jul thru 15 sep by M/V lady lee, M/V maria jose ll and M/V geoexplorer in: A.06-09.63N…
  13. NAVAREA IV 536/18 · Cable ops2018-07-06 → 2018-07-26
    Cable operations by M/V rebecca: a. 10 thru 16 jul along trackline between 47-23.09N 033-42.67W and…
  14. HYDROLANT 2199/18 · Cable ops2018-07-06 → 2018-08-06
    Cable operations by M/V rebecca: a. 10 thru 16 jul along trackline between 47-23.09N 033-42.67W and…
  15. NAVAREA IV 535/18 · Missiles2018-07-06 → 2018-07-08
    Hazardous operations, rocket launching 1100 to 2200Z daily 07 and 08 jul in area bound by 28-32.47N…
  16. HYDROLANT 2184/18 · Cable ops2018-07-05 → 2018-07-10
    Cable operations 07 jul until further notice by MV lida in area bound by 62-27.5N 027-21.7W, 62-21.6N…
  17. HYDROLANT 2180/18 · Nav aids2018-07-05 → 2018-07-06
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
  18. HYDROLANT 2178/18 · Nav aids2018-07-05 → 2018-07-05
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
  19. HYDROLANT 2176/18 · Exercises2018-07-05 → 2018-07-07
    Gunnery exercises 070900Z to 071400Z jul in area within eight miles of 14-28N 017-52W
  20. HYDROLANT 2147/18 · Other2018-07-02 → 2018-07-20
    45 foot S/V miss kitty requesting assistance in 27-46.04N 071-42.02W

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