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 · 997 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 134/182018-02-13 → 2018-03-23
    Uscg remote communication facility new orleans (g) 29-53.1N 089-56.7W dsc off air
    Gulf of Mexico · Louisiana
  2. HYDROLANT 282/182018-01-25 → 2018-01-26
    Mrcc delgaga 37-44N 025-40W hf/mf dsc services off air
    North Atlantic · Azores
  3. NAVAREA IV 73/182018-01-22 → 2018-01-24
    NAVTEX station puerto rico (r) 18-28.0N 067-04.3W inoperative
    Western North Atlantic · Puerto Rico
  4. HYDROLANT 203/182018-01-17 → 2018-01-19
    Noup head light 59-19.9N 003-04.2W unreliable
    Eastern North Atlantic · Orkney Islands
  5. HYDROLANT 93/182018-01-08 → 2018-01-13
    Sule skerry light 59-05.1N 004-24.5W inoperative
    Eastern North Atlantic · Scotland
  6. NAVAREA IV 19/182018-01-06 → 2018-09-17
    Cayo confites light 22-11.3N 077-39.7W, destroyed
    Western North Atlantic · Old Bahama Channel · Cuba
  7. NAVAREA IV 9/182018-01-03 → 2018-03-03
    NAVTEX station charleston (e) 32-50.7N 079-57.0W off air
    Western North Atlantic · South Carolina
  8. HYDROLANT 9/182018-01-02 → 2018-01-03
    Sule skerry light 59-05.1N 004-24.5W unreliable
    Eastern North Atlantic · Scotland
  9. HYDROLANT 8/182018-01-01 → 2018-01-02
    Sule skerry light 59-05.1N 004-24.5W unlit
    Eastern North Atlantic · Scotland
  10. HYDROLANT 4190/172017-12-26 → 2017-12-27
    Rona light 59-07.3N 005-48.8W unlit
    Eastern North Atlantic
  11. HYDROLANT 4151/172017-12-21 → 2018-02-21
    Cabo nachtigal light 28-29.8N 011-20.2W unlit
    Eastern North Atlantic · Morocco
  12. HYDROLANT 4025/172017-12-13 → 2017-12-14
    Cabo finisterre light 42-52.9N 009-16.3W unlit
    Eastern North Atlantic · Spain
  13. HYDROLANT 4000/172017-12-11 → 2017-12-11
    Cabo torinana light 43-03.2N 009-17.9W unlit
    Eastern North Atlantic Spain
  14. NAVAREA IV 1157/172017-12-11 → 2017-12-13
    Uscg remote communication facility chesapeake (n) 36-43.7N 076-00.6W unable to transmit NAVTEX, dsc, and…
    Western North Atlantic · Virginia
  15. HYDROLANT 3993/172017-12-10 → 2017-12-12
    Flannan isles light 58-17.3N 007-35.4W unreliable
    Eastern North Atlantic · Scotland-west Coast
  16. HYDROLANT 3984/172017-12-09 → 2017-12-13
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  17. NAVAREA IV 1150/172017-12-09 → 2018-07-23
    Cayo jaula light 22-34.3N 078-30.9W destroyed
    Western North Atlantic · Old Bahama Channel · Cuba
  18. HYDROLANT 3951/172017-12-07 → 2017-12-08
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  19. HYDROLANT 3893/172017-12-02 → 2017-12-11
    Odas buoy K2 relocated to 51-12.6N 013-16.8W
    Eastern North Atlantic
  20. NAVAREA IV 1073/172017-11-13 → 2018-01-03
    NAVTEX station puerto rico (r) 18-28.0N 067-04.3W inoperative
    Western North Atlantic · Puerto Rico
  21. HYDROLANT 3633/172017-11-10 → 2017-12-21
    Cgoc shetland mf dsc at collafirth hill 60-32N 001-23W unreliable
    Eastern North Atlantic · Shetland Islands
  22. HYDROLANT 3595/172017-11-06 → 2018-01-08
    El hank light 33-36.6N 007-39.3W unlit
    Eastern North Atlantic · Morocco
  23. HYDROLANT 3418/172017-10-23 → 2018-03-23
    Odas buoy K1 off station in 48-47.4N 012-24.2W
    Eastern North Atlantic
  24. NAVAREA IV 961/172017-10-13 → 2018-09-07
    Straits of florida
    Western North Atlantic
  25. NAVAREA IV 950/172017-10-11 → 2017-12-09
    Cayo caiman grande de santa maria light 22-41.1N 078-53.0W unlit
    Western North Atlantic · Old Bahama Channel · Cuba
  26. NAVAREA IV 948/172017-10-11 → 2017-10-12
    Dsc services unreliable at uscg remote communication facilities: a. boston (f) 41-42.8N 070-30.3W 111700Z to…
    Western North Atlantic · Gulf of Mexico
  27. HYDROLANT 3163/172017-10-05 → 2017-10-08
    North unst, muckle flugga light 60-51.3N 000-53.1W unreliable
    Eastern North Atlantic · Shetland Islands
  28. NAVAREA IV 905/172017-10-03 → 2017-10-11
    Cayo caiman grande de santa maria light 22-41.1N 078-53.0W unlit
    Western North Atlantic · Old Bahama Channel · Cuba
  29. NAVAREA IV 874/172017-09-29 → 2018-09-07
    Brigand hill light 10-29.8N 061-04.0W unlit
    Western North Atlantic · Trinidad
  30. NAVAREA IV 870/172017-09-28 → 2018-01-06
    Lights destroyed: a. cayo confites light 22-11.3N 077-39.7W
    Western North Atlantic · Old Bahama Channel · Cuba
  31. NAVAREA IV 869/172017-09-28 → 2017-09-30
    Straits of florida
    Western North Atlantic
  32. HYDROLANT 3001/172017-09-24 → 2018-03-23
    RACON at ilha do para light 00-52.8N 049-59.2W inoperative until 22 mar 18
    Western North Atlantic · Brazil-north Coast
  33. HYDROLANT 3000/172017-09-24 → 2018-03-23
    Ilha do para light 00-52.8N 049-59.2W unlit until 22 mar 18
    Western North Atlantic · Brazil-north Coast
  34. NAVAREA IV 832/172017-09-21 → 2018-02-21
    La desirade light 16-20.0N 061-00.3W unlit
    Eastern Caribbean Sea · Guadeloupe
  35. HYDROLANT 2902/172017-09-18 → 2017-09-19
    North unst light 60-51.3N 000-53.1W unlit
    Eastern North Atlantic · Shetland Islands
  36. HYDROLANT 2769/172017-09-08 → 2017-12-04
    Sidi ifni light 29-22.5N 010-10.7W unlit
    Eastern North Atlantic · Morocco
  37. HYDROLANT 2741/172017-09-07 → 2017-09-07
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  38. HYDROLANT 2684/172017-09-02 → 2017-09-04
    North unst, muckle flugga light 60-51.3N 000-53.1W unlit
    Eastern North Atlantic · Shetland Islands
  39. NAVAREA IV 716/172017-08-25 → 2017-08-25
    Juatinga light 23-17.6N 044-30.3W unlit until 21 feb 18
    Western North Atlantic
  40. HYDROLANT 2542/172017-08-19 → 2017-08-23
    NAVTEX station las palmas (I) 28-26.0N 016-20.2W off air
    Eastern North Atlantic · Canary Islands
  41. HYDROLANT 2305/172017-07-25 → 2017-07-27
    Cgoc stornoway mf dsc and r/t services at barra 57-00.8N 007-30.4W off air
    Eastern North Atlantic · Scotland-west Coast
  42. HYDROLANT 2099/172017-07-06 → 2017-07-17
    NAVTEX station las palmas (I) 28-26.0N 016-20.2W off air
    Eastern North Atlantic · Canary Islands
  43. HYDROLANT 2025/172017-07-01 → 2017-07-01
    Fugla ness light 60-06.4N 001-20.9W unlit
    Eastern North Atlantic · Shetland Islands
  44. NAVAREA IV 521/172017-06-22 → 2017-06-22
    Broadcast and dsc services off air at uscg remote communication facilities: 1. boston (f) 41-42.8N 070-30.3W
    Western North Atlantic · Gulf of Mexico
  45. NAVAREA IV 507/172017-06-17 → 2017-06-21
    Uscg remote communication facility chesapeake (n) 36-43.7N 076-00.6W broadcast and communication services…
    Western North Atlantic · Virginia
  46. NAVAREA IV 482/172017-06-10 → 2017-06-13
    Uscg remote communication facility boston (f) 41-42.8N 070-30.3W weather fax off air
    Western North Atlantic · Massachusetts
  47. HYDROLANT 1810/172017-06-09 → 2017-10-23
    Point de la tour light 32-19.8N 009-16.7W unlit
    Eastern Noth Atlantic · Morocco
  48. HYDROLANT 1701/172017-05-31 → 2017-06-01
    Rona light 59-07.3N 005-48.8W unreliable
    Eastern North Atlantic
  49. NAVAREA IV 445/172017-05-30 → 2017-06-01
    Uscg remote communication facility chesapeake (n) 36-43.7N 076-00.6W communication services unreliable until…
    Western North Atlantic · Virginia
  50. HYDROLANT 1685/172017-05-29 → 2017-05-30
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain

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 11 · seahazards