North Atlantic Ocean

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

in force
48
last 12 months
81
since 1996
11,250
categories
15

In force now · 48

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

Exercises2,08619%
Cable ops1,58614%
Missiles1,52814%
Nav aids1,50013%
Other1,26811%
Surveys1,07810%
Derelicts9819%
Icebergs7697%
Containers2412%
Debris1021%
Wrecks731%
Piracy230%
Volcanic50%
Mines50%
Towing50%

Archive · 11,202 cancelled

  1. HYDROLANT 1213/07 · Cable ops2007-07-09 → 2007-07-23
    Seismic survey in progress until further notice by M/V geolog dmitriy nalivkin towing 9000 meter long cable…
  2. HYDROLANT 1211/07 · Cable ops2007-07-09 → 2007-07-17
    Underwater operations by cableship ile de batz: a. 11 thru 14 jul along trackline joining 47-31N 008-30W,…
  3. HYDROLANT 1202/07 · Cable ops2007-07-09 → 2007-07-14
    Seismic survey in progress until 13 jul by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  4. HYDROLANT 1187/07 · Surveys2007-07-07 → 2007-07-29
    Underwater operations 09 thru 28 jul by M/V pourquoi pas vicinity: a. 35-59N 029-03W
  5. HYDROLANT 1186/07 · Nav aids2007-07-07 → 2007-07-08
    Nga chart 35134 (2ND ed)
  6. NAVAREA IV 189/07 · Exercises2007-07-06 → 2007-07-06
    Hazardous operations 091956Z to 092113Z jul, alternate 101953Z to 102110Z jul in area bound by 23-52N…
  7. NAVAREA IV 188/07 · Exercises2007-07-06 → 2007-07-06
    Hazardous operations 091956Z to 092113Z jul, alternate 101953Z to 102110Z jul in areas bound by: a. 28-30N…
  8. HYDROLANT 1180/07 · Exercises2007-07-06 → 2007-07-10
    Hazardous operations 090700Z to 091800Z jul, alternate 100700Z to 101800Z jul within 55 miles of 46-30N…
  9. NAVAREA IV 186/07 · Exercises2007-07-05 → 2007-07-09
    Hazardous operations 082004Z to 082121Z jul, alternate 091956Z to 092113Z jul in areas bound by: a. 28-30N…
  10. HYDROLANT 1159/07 · Cable ops2007-07-04 → 2007-07-09
    Seismic survey in progress until 08 jul by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  11. NAVAREA IV 184/07 · Exercises2007-07-02 → 2007-07-08
    Hazardous operations 072009Z to 072124Z jul, alternate 082004Z to 082121Z jul in areas bound by: a. 28-30N…
  12. HYDROLANT 1133/07 · Derelicts2007-06-29 → 2007-07-06
    Derelict vessel partially submerged and adrift in 20-41.76N 017-00.63W
  13. HYDROLANT 1129/07 · Cable ops2007-06-29 → 2007-07-04
    Seismic survey in progress until 03 jul by M/V cgg amadeus towing eight 6500 meter long cables in area bound…
  14. HYDROLANT 1116/07 · Surveys2007-06-27 → 2007-07-15
    Scientific operations in progress until 14 jul by M/V discovery within ten miles of 43-18N 017-48W
  15. NAVAREA IV 176/07 · Other2007-06-26 → 2007-07-03
    Radar target reported in 45-51N 053-40W at 260001Z jun
  16. HYDROLANT 1106/07 · Other2007-06-26 → 2007-07-03
    Radar target reported in 45-51N 053-40W at 260001Z jun
  17. HYDROLANT 1102/07 · Derelicts2007-06-24 → 2007-07-01
    Derelict S/V adrift vicinity 37-25.5N 029-23.1W at 241500Z jun
  18. HYDROLANT 1093/07 · Derelicts2007-06-23 → 2007-06-30
    Derelict eight meter vessel, orange hull, adrift vicinity 42-56.2N 011-59.2W at 231940Z jun
  19. HYDROLANT 1091/07 · Nav aids2007-06-23 → 2008-02-09
    Nga chart 35220 (10TH ed)
  20. HYDROLANT 1089/07 · Surveys2007-06-23 → 2007-06-27
    Scientific operations in progress until 14 jul by M/V discovery within six miles of 43-36N 018-00W

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