Aids-to-navigation notices in the North Atlantic Ocean

Lights extinguished, buoys off station, RACON/NAVTEX outages.

in force
21
last 12 months
14
vs previous 12 (8)
+75%
since 1996
1,499

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.

In force now · 21

  1. HYDROLANT 1510/26in force2026-08-05
    Noup Head light in the Orkney Islands has its range reduced to 12 miles.
    North Atlantic · Orkney Islands
  2. HYDROLANT 1503/26in force2026-08-04
    El Hank Light at 33-36.60N 007-39.28W is unlit.
    North Atlantic · Morocco
  3. NAVAREA II 295/26in force2026-08-04
    El Hank Lighthouse at Casablanca, 33-36.60N 007-39.28W, is unlit.
    Casablanca
  4. NAVAREA IV 750/26in force2026-08-02
    NAVTEX station Miami at 25-30N 080-23W is inoperative; NAVAREA IV 748/26 is cancelled.
    Western North Atlantic · Florida
  5. HYDROLANT 1421/26in force2026-07-23
    Sidi Ifini lighthouse in Morocco, at 29-22.50N 010-10.70W, is unlit.
    Morocco
  6. NAVAREA IV 670/26in force2026-07-09
    Galeota Point Light, position 10 degrees 08.30 minutes north 060 degrees 59.50 minutes west, is unlit.
    North Atlantic
  7. NAVAREA IV 653/26in force2026-07-03
    Broadcast and communication services are unreliable at U.S. Coast Guard remote facilities in Boston, Chesapeake, Charleston, Miami, New Orleans, and San Juan.
    North Atlantic
  8. NAVAREA II 261/26in force2026-06-23
    The Cap Hadid lighthouse near Agadir is unlit, located at 31-41.85N 009-39.86W.
    Agadir
  9. NAVAREA IV 413/26in force2026-05-04
    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.
    Caribbean Sea
  10. HYDROLANT 585/26in force2026-03-23
    PAP ODAS buoy is now at 48-56.30N 016-22.50W; Hydrolant 579/26 is cancelled.
    North Atlantic
  11. NAVAREA IV 55/26in force2026-01-20
    Punta Barlovento Light at 20-43.20N 075-19.15W has its range changed to 14 miles.
    North Atlantic · Cuba
  12. NAVAREA IV 1413/25in force2025-12-24
    Two ocean data buoys are established in the North Atlantic near Guyana at 06-57.93N 057-48.54W.
    North Atlantic · Guyana
  13. NAVAREA IV 1282/25in force2025-11-19
    The La Desirade light in Guadeloupe, Caribbean Sea, at 16-20.00N 061-00.33W is unlit.
    Caribbean Sea · Guadeloupe
  14. NAVAREA IV 872/25in force2025-08-16
    Due to Hurricane Erin, lateral buoys 1, 2, and 4 are removed in the Dominican Republic, North Atlantic.
    North Atlantic · Dominican Republic
  15. NAVAREA IV 761/25in force2025-07-22
    Safewater buoy LS at position 06-04.81N 055-12.82W is missing in Suriname, North Atlantic.
    North Atlantic · Suriname
  16. NAVAREA IV 616/25in force2025-06-13
    Messaging services are unavailable at USCG remote communication facilities in Boston, Chesapeake, Charleston, Miami, and New Orleans.
    Western North Atlantic
  17. NAVAREA IV 746/24in force2024-06-27
    A data buoy has been established in the western North Atlantic at 47-53.93N 046-47.74W.
    Western North Atlantic
  18. NAVAREA IV 325/24in force2024-03-21
    An ODAS buoy is established at 07-02.67N 057-58.65W in the western North Atlantic near Guyana.
    Western North Atlantic · Guyana
  19. NAVAREA IV 1377/23in force2023-11-28
    Cabo Engano Lighthouse at 18-36.80N 068-19.50W is unlit.
    Caribbean Sea · Dominican Republic
  20. NAVAREA IV 227/22in force2022-03-04
    In the Western North Atlantic, the Puerto Plata light in the Dominican Republic at 19-48.2N 070-41.7W is unlit.
    Western North Atlantic · Dominican Republic
  21. NAVAREA IV 1157/21in force2021-12-28
    Ile de la Tortue west point light at 20-03-44N 072-58-02W is unlit.
    Western North Atlantic · Haiti

Longest in force

  1. NAVAREA IV 1157/21in force2021-12-28 · 1,698 d
    Ile de la Tortue west point light at 20-03-44N 072-58-02W is unlit.
    Western North Atlantic · Haiti
  2. NAVAREA IV 227/22in force2022-03-04 · 1,631 d
    In the Western North Atlantic, the Puerto Plata light in the Dominican Republic at 19-48.2N 070-41.7W is unlit.
    Western North Atlantic · Dominican Republic
  3. NAVAREA IV 1377/23in force2023-11-28 · 998 d
    Cabo Engano Lighthouse at 18-36.80N 068-19.50W is unlit.
    Caribbean Sea · Dominican Republic
  4. NAVAREA IV 325/24in force2024-03-21 · 884 d
    An ODAS buoy is established at 07-02.67N 057-58.65W in the western North Atlantic near Guyana.
    Western North Atlantic · Guyana
  5. NAVAREA IV 746/24in force2024-06-27 · 786 d
    A data buoy has been established in the western North Atlantic at 47-53.93N 046-47.74W.
    Western North Atlantic

By year

96
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

Other hazards in the North Atlantic Ocean

Archive · 1,478 cancelled

  1. NAVAREA IV 549/162016-07-08 → 2016-07-12
    Key west dgps station 24-34.9N 081-39.2W unusable 121230Z to 121530Z jul
    Florida-south Coast
  2. NAVAREA IV 537/162016-07-03 → 2016-07-06
    Isabela dgps station 18-28.0N 067-04.3W unusable 061300Z to 062100Z jul
    Puerto Rico-northwest Coast
  3. HYDROLANT 1472/162016-06-14 → 2016-06-14
    Fugla ness light 60-06.4N 001-20.9W unlit
    Eastern North Atlantic · Shetland Islands
  4. NAVAREA IV 451/162016-06-10 → 2016-06-10
    Isabela dgps station 18-28.0N 067-04.3W unusable
    Puerto Rico-northwest Coast
  5. NAVAREA IV 447/162016-06-09 → 2016-06-26
    Odas buoy 41048 relocated to 31-51.6N 069-35.4W
    Western North Atlantic
  6. HYDROLANT 1390/162016-06-07 → 2016-06-07
    Point of fethaland light 60-38.0N 001-18.7W unreliable
    Eastern North Atlantic · Shetland Islands
  7. HYDROLANT 1363/162016-06-04 → 2017-01-27
    Tarfaya light 27-54.8N 012-56.5W unlit
    Eastern North Atlantic · Morocco
  8. NAVAREA IV 416/162016-05-30 → 2016-06-02
    Isabela dgps station 18-28.0N 067-04.3W unreliable
    Puerto Rico-northwest Coast
  9. NAVAREA IV 386/162016-05-19 → 2016-05-23
    Key west dgps station 24-34.9N 081-39.2W unreliable
    Florida-south Coast
  10. HYDROLANT 1142/162016-05-13 → 2016-05-14
    Mrcc shetland mf dsc services at collafirth hill 60-32N 001-23W off air
    Shetland Islands · Radio Services
  11. NAVAREA IV 346/162016-05-05 → 2016-05-18
    Isabela dgps station 18-28.0N 067-04.3W unusable
    Puerto Rico-northwest Coast
  12. NAVAREA IV 331/162016-04-30 → 2016-05-05
    Isabela dgps station 18-28.0N 067-04.3W unreliable
    Puerto Rico-northwest Coast
  13. NAVAREA IV 329/162016-04-29 → 2016-04-30
    Isabela dgps station 18-28.0N 067-04.3W unusable
    Puerto Rico-northwest Coast
  14. NAVAREA IV 323/162016-04-28 → 2016-04-29
    Isabela dgps station 18-28.0N 067-04.3W unreliable
    Puerto Rico-northwest Coast
  15. HYDROLANT 1009/162016-04-28 → 2016-05-01
    Fugitivo light 00-10.2N 050-55.1W destroyed
    Brazil-north Coast
  16. HYDROLANT 1008/162016-04-28 → 2016-05-01
    Espirito santo light 00-15.6N 050-31.4W unlit
    Brazil-north Coast
  17. HYDROLANT 1007/162016-04-28 → 2016-10-23
    Ponta do ceu light 00-45.6N 050-07.0W destroyed
    Brazil-north Coast
  18. HYDROLANT 996/162016-04-27 → 2016-07-03
    Ilha do para light 00-52.8N 049-59.2W unreliable
    Brazil-north Coast
  19. NAVAREA IV 317/162016-04-26 → 2016-04-27
    Isabela dgps station 18-28.0N 067-04.3W unreliable
    Puerto Rico-northwest Coast
  20. HYDROLANT 887/162016-04-13 → 2016-04-13
    Cgoc shetland mf services at collafirth hill 60-32.1N 001-23.4W off air
    Shetland Islands · Radio Services
  21. NAVAREA IV 277/162016-04-12 → 2016-04-13
    Isabela dgps station 18-28.0N 067-04.3W unreliable
    Puerto Rico-northwest Coast
  22. HYDROLANT 815/162016-04-05 → 2016-06-28
    Fog signal at platform 205/26A, 60-03.8N 003-58.2W inoperative
    Eastern North Atlantic · Shetland Islands
  23. HYDROLANT 692/162016-03-21 → 2016-03-31
    Rabat light 34-01.9N 006-50.7W unlit
    Eastern North Atlantic · Morocco
  24. HYDROLANT 615/162016-03-13 → 2016-03-14
    Whale rock light buoy 57-54.4N 008-00.0W unreliable
    Eastern North Atlantic · Scotland-west Coast
  25. HYDROLANT 367/162016-02-12 → 2016-02-15
    El hank light 33-36.6N 007-39.3W unreliable
    Eastern North Atlantic · Morocco
  26. HYDROLANT 331/162016-02-08 → 2016-02-09
    Loch eriboll white head light 58-31.0N 004-38.8W unlit
    Eastern North Atlantic · Scotland-north Coast
  27. HYDROLANT 208/162016-01-24 → 2016-01-25
    NAVTEX station coruna 43-22N 008-27W off air
    Eastern North Atlantic · Spain · NAVTEX
  28. NAVAREA IV 56/162016-01-24 → 2016-01-27
    Isabela dgps station 18-28.0N 067-04.3W unreliable
    Puerto Rico-northwest Coast
  29. HYDROLANT 78/162016-01-10 → 2016-01-11
    Foula island south ness light 60-06.8N 002-03.8W unreliable
    Shetland Islands
  30. HYDROLANT 46/162016-01-04 → 2016-01-07
    Flannan isles light 58-17.3N 007-35.4W unreliable
    Eastern North Atlantic · Scotland-west Coast
  31. HYDROLANT 26/162016-01-02 → 2016-01-06
    Cape wrath light 58-37.5N 005-00.0W unreliable
    Eastern North Atlantic · Scotland-north Coast
  32. HYDROLANT 3038/152015-12-07 → 2015-12-08
    Brough head light 59-08.2N 003-20.3W unlit
    Scotland-north Coast · Orkney Islands
  33. NAVAREA IV 1002/152015-12-02 → 2015-12-07
    Key west dgps station 24-34.9N 081-39.2W unusable 071300Z to 071700Z dec
    Florida-south Coast
  34. HYDROLANT 2971/152015-12-01 → 2016-06-04
    Tarfaya light 27-54.8N 012-56.5W unlit
    Eastern North Atlantic · Morocco
  35. NAVAREA IV 991/152015-11-26 → 2015-11-28
    Sandwich point range rear light 44-35.2N 063-33.1W unlit
    Western North Atlantic · Nova Scotia
  36. HYDROLANT 2870/152015-11-22 → 2015-11-24
    Foula island south ness light 60-06.8N 002-03.8W unreliable
    Shetland Islands
  37. HYDROLANT 2859/152015-11-20 → 2015-11-24
    Mrcc shetland mf dsc at collafirth hill 60-32N 001-23W unreliable
    Shetland Islands · Radio Services
  38. HYDROLANT 2826/152015-11-17 → 2015-11-17
    Mrcc shetland mf dsc and r/t services at collafirth hill 60-32N 001-23W off air
    Shetland Islands · Radio Services
  39. HYDROLANT 2813/152015-11-15 → 2015-11-15
    Cape wrath light 58-37.5N 005-00.0W unreliable
    Eastern North Atlantic · Scotland-north Coast
  40. HYDROLANT 2760/152015-11-10 → 2015-11-13
    Rabat light 34-01.9N 006-50.7W unlit
    Eastern North Atlantic · Morocco
  41. HYDROLANT 2532/152015-10-11 → 2015-11-02
    Mrcc shetland mf r/t service at collafirth hill 60-32N 001-24W off air
    Shetland Islands · Radio Services
  42. HYDROLANT 2527/152015-10-10 → 2015-10-11
    Mrcc shetland mf r/t service at collafirth hill 60-32N 001-24W unreliable
    Shetland Islands · Radio Services
  43. NAVAREA IV 846/152015-10-08 → 2017-04-18
    Booby rock light 23-06.9N 074-56.9W unlit
    Western North Atlantic · Bahamas
  44. NAVAREA IV 839/152015-10-07 → 2017-04-18
    Castle island light 22-07.6N 074-19.7W unlit
    Western North Atlantic · Bahamas
  45. NAVAREA IV 833/152015-10-06 → 2015-10-07
    NAVTEX station charleston 32-51N 079-59W inoperative
    Western North Atlantic · South Carolina · NAVTEX
  46. NAVAREA IV 828/152015-10-05 → 2017-04-18
    Bird rock light 22-50.7N 074-21.5W unlit
    Western North Atlantic · Bahamas
  47. HYDROLANT 2475/152015-10-03 → 2015-10-10
    Mrcc shetland mf dsc and r/t services at collafirth hill 60-32N 001-24W unreliable
    Shetland Islands · Radio Services
  48. HYDROLANT 2439/152015-09-29 → 2015-09-30
    NAVTEX station sao miguel 37-48.5N 025-33.2W inoperative 300900Z to 300930Z sep
    Eastern North Atlantic · Azores · NAVTEX
  49. HYDROLANT 2423/152015-09-28 → 2015-09-28
    Foula island south ness light 60-06.8N 002-03.8W unreliable
    Scotland · Shetland Islands
  50. HYDROLANT 2313/152015-09-17 → 2015-09-19
    Mrcc shetland mf dsc services off air at: a. lerwick 60-09N 001-08W
    Shetland Islands · Radio Services

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

Aids-to-navigation notices in the North Atlantic Ocean — page 13 · seahazards