North Atlantic Ocean

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

in force
50
last 12 months
78
since 1996
11,247
categories
15

In force now · 50

  1. NAVAREA II 312/26 · Derelicts2026-08-30
    Vessel Cap Timiris is adrift near 15-54.09N 016-34.57W as of 291700 UTC August 26; navigate with caution.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. NAVAREA II 295/26 · Nav aids2026-08-04
    El Hank Lighthouse at Casablanca, 33-36.60N 007-39.28W, is unlit.
  12. 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.
  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 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.
  30. 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.
  31. 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.
  32. 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.
  33. HYDROLANT 585/26 · Nav aids2026-03-23
    PAP ODAS buoy is now at 48-56.30N 016-22.50W; Hydrolant 579/26 is cancelled.
  34. 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.
  35. NAVAREA IV 98/26 · Surveys2026-02-03
    Survey operations by vessel Fugro Brasilis are ongoing until 31 December 2026 off Guyana; wide berth requested.
  36. 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.
  37. 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.
  38. NAVAREA IV 1431/25 · Surveys2025-12-31
    Survey operations by vessel BOS PRINCESS continue until 31 Dec 2026 off Guyana; wide berth requested.
  39. 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.
  40. 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.
  41. 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.
  42. 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.
  43. 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.
  44. 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.
  45. 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.
  46. 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.
  47. 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.
  48. NAVAREA IV 1377/23 · Nav aids2023-11-28
    Cabo Engano Lighthouse at 18-36.80N 068-19.50W is unlit.
  49. 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.
  50. 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

Exercises2,08419%
Cable ops1,58614%
Missiles1,52714%
Nav aids1,50013%
Other1,26811%
Surveys1,07810%
Derelicts9819%
Icebergs7697%
Containers2412%
Debris1021%
Wrecks731%
Piracy230%
Volcanic50%
Mines50%
Towing50%

Archive · 11,197 cancelled

  1. HYDROLANT 1583/09 · Cable ops2009-08-20 → 2009-08-26
    Underwater operations in progress until further notice by cableship leon thevenin with submersible along…
  2. NAVAREA IV 314/09 · Exercises2009-08-19 → 2009-08-22
    Hazardous operations 240543Z to 240717Z aug, alternate 250520Z to 250651Z and 260455Z to 260629Z aug in…
  3. HYDROLANT 1566/09 · Cable ops2009-08-18 → 2009-08-27
    Cable laying operations 18 thru 26 aug by cableship ile de batz along trackline between 47-36.5N 008-15.9W…
  4. NAVAREA IV 311/09 · Nav aids2009-08-18 → 2009-08-18
    Nga chart 25640 (42ND ed)
  5. NAVAREA IV 309/09 · Derelicts2009-08-17 → 2009-08-24
    Derelict ten meter vessel adrift vicinity 27-00.1N 063-26.6W at 161950Z aug
  6. HYDROLANT 1552/09 · Exercises2009-08-15 → 2009-08-22
    Hazardous operations 2000Z to 0146Z commencing daily 20 aug thru 20 sep in area bound by 00-59N 001-56W,…
  7. HYDROLANT 1551/09 · Exercises2009-08-15 → 2009-08-22
    Hazardous operations 2000Z to 0146Z commencing daily 20 aug thru 20 sep in areas: a. within 12 miles of…
  8. NAVAREA IV 304/09 · Exercises2009-08-15 → 2009-08-22
    Hazardous operations 2000Z to 0146Z commencing daily 20 aug thru 20 sep in areas: a. within 12 miles of…
  9. NAVAREA IV 297/09 · Exercises2009-08-12 → 2009-08-18
    Hazardous operations 171035Z to 171136Z aug, alternate 181031Z to 181132Z aug in areas bound by: a. 28-29N…
  10. HYDROLANT 1499/09 · Cable ops2009-08-08 → 2009-08-18
    Cable laying operations 10 aug until further notice by cableship ile de batz along tracklines between: a.…
  11. HYDROLANT 1489/09 · Surveys2009-08-07 → 2009-08-14
    Oceanographic operations in progress until 140800Z aug by M/V sarmiento de gamboa along trackline between…
  12. HYDROLANT 1484/09 · Surveys2009-08-07 → 2009-08-07
    Oceanographic operations in progress until 140800Z aug by M/V sarmiento de gamboa along trackline between…
  13. NAVAREA IV 289/09 · Nav aids2009-08-03 → 2009-09-19
    Nga chart 27040 (5TH ed)
  14. HYDROLANT 1451/09 · Surveys2009-08-02 → 2009-08-07
    Oceanographic operations in progress until further notice by M/V sarmiento de gamboa vicinity 41-22N 020-03W
  15. HYDROLANT 1449/09 · Derelicts2009-08-01 → 2009-08-08
    Lifeboat reported adrift vicinity 46-14.5N 007-53.3W at 011225Z aug
  16. HYDROLANT 1370/09 · Surveys2009-07-24 → 2009-08-17
    Oceanographic operations 26 jul thru 16 aug by M/V pourquoi pas with submersible within 70 miles of 03-00N…
  17. HYDROLANT 1357/09 · Cable ops2009-07-21 → 2009-07-25
    Cable operations in progress until further notice by cableship kommandor jack vicinity of trackline between…
  18. HYDROLANT 1344/09 · Other2009-07-19 → 2009-07-20
    Ordnance drop exercises 191015Z to 191245Z and 200845Z to 201115Z jul within 15 miles of 47-20-58N 007-36-44W
  19. NAVAREA IV 268/09 · Exercises2009-07-15 → 2009-07-16
    Hazardous operations 152148Z to 152318Z jul, alternate 162122Z to 162256Z in areas bound by: a. 28-30N…
  20. HYDROLANT 1321/09 · Wrecks2009-07-15 → 2010-12-18
    Nga chart 51561 (11TH ed)

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