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. HYDROLANT 1414/172017-05-04 → 2017-05-07
    S/V barton breezze unlit in vicinity 44-43.8N 009-38.1W at 041415Z may
    Eastern North Atlantic
  2. NAVAREA IV 322/172017-04-20 → 2017-04-21
    Uscg remote communication facility new orleans (g) 29-53.1N 089-56.7W dsc and voice unreliable
    Gulf of Mexico · Louisiana
  3. HYDROLANT 1263/172017-04-20 → 2018-01-08
    Cap spartel light 35-47.5N 005-55.4W unlit
    Eastern North Atlantic · Strait of Gibraltar · Morocco-northwest Coast
  4. HYDROLANT 1242/172017-04-19 → 2017-04-20
    Guara light 01-11.3N 049-54.0W unlit until 15 oct
    Western North Atlantic · Brazil-north Coast
  5. NAVAREA IV 292/172017-04-07 → 2017-04-09
    Uscg remote communication facility chesapeake (n) 36-43.7N 076-00.6W dsc services unreliable
    Western North Atlantic · Virginia
  6. NAVAREA IV 287/172017-04-06 → 2017-04-21
    NAVTEX station charleston (e) 32-50.7N 079-57.0W off air
    Western North Atlantic · South Carolina · Florida
  7. NAVAREA IV 280/172017-04-04 → 2017-04-07
    Uscg remote communication facilities dsc receive services unreliable at: a. chesapeake (n) 36-43.7N 076-00.6W
    Western North Atlantic · Virginia · Florida
  8. HYDROLANT 1068/172017-04-01 → 2017-04-04
    GPS jamming exercises: a. 030700Z to 031700Z apr in area within 15 miles of 58-36.2N 004-46.5W
    Eastern North Atlantic · North Minch · Scotland-northwest Coast
  9. NAVAREA IV 240/172017-03-23 → 2017-03-23
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W inoperative
    Western North Atlantic · Virginia
  10. NAVAREA IV 159/172017-02-24 → 2018-02-06
    St giles island light 11-21.4N 060-31.0W destroyed
    Eastern Caribbean Sea · Tobago
  11. NAVAREA IV 157/172017-02-24 → 2018-09-07
    Darien rock buoy 10-31.9N 060-37.5W missing
    Western North Atlantic · Trinidad
  12. NAVAREA IV 154/172017-02-24 → 2017-02-24
    Darien rock buoy 10-31.9N 060-37.5W missing
    Western North Atlantic · Trinidad
  13. HYDROLANT 616/172017-02-23 → 2017-02-24
    Flannan isles light 58-17.3N 007-35.4W unreliable
    Eastern North Atlantic · Scotland-west Coast
  14. HYDROLANT 484/172017-02-11 → 2017-08-11
    Rio calcoene light 02-30.4N 050-48.4W destroyed
    Western North Atlantic · Brazil-north Coast
  15. HYDROLANT 481/172017-02-11 → 2017-03-28
    Penedos de sao pedro e sao paulo light 00-55.2N 029-20.6W unlit until 101400Z aug
    North Atlantic
  16. HYDROLANT 372/172017-02-03 → 2017-02-08
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  17. HYDROLANT 347/172017-02-02 → 2017-02-02
    Foula island south ness light 60-06.8N 002-03.8W unreliable
    Shetland Islands
  18. HYDROLANT 313/172017-01-30 → 2017-01-30
    NAVTEX station coruna (d) 42-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  19. HYDROLANT 280/172017-01-26 → 2017-01-27
    Point of fethaland light 60-38.0N 001-18.7W unreliable
    Eastern North Atlantic · Shetland Islands
  20. HYDROLANT 118/172017-01-11 → 2017-01-13
    Cape wrath light 58-37.5N 005-00.0W unlit
    Eastern North Atlantic · Scotland
  21. HYDROLANT 112/172017-01-11 → 2017-01-11
    Cape wrath light 58-37.5N 005-00.0W unlit
    Eastern North Atlantic · Scotland
  22. HYDROLANT 65/172017-01-07 → 2017-01-08
    North unst, muckle flugga light 60-51.3N 000-53.1W unreliable
    Shetland Islands
  23. HYDROLANT 3446/162016-12-21 → 2016-12-21
    Dgps station at tory island light 55-16.4N 008-14.9W off air
    Eastern North Atlantic · Ireland
  24. HYDROLANT 3394/162016-12-16 → 2017-04-18
    Lalla fatna light 32-48.0N 008-57.8W unlit
    Eastern North Atlantic · Morocco
  25. HYDROLANT 3393/162016-12-16 → 2017-04-18
    Pointe d'azemmour light 33-20.3N 008-18.2W unlit
    Eastern North Atlantic · Morocco
  26. NAVAREA IV 1058/162016-12-15 → 2016-12-15
    NAVTEX stations unreliable: a. boston (f) 41-42.8N 070-30.3W
    Western North Atlantic · Gulf of Mexico · NAVTEX
  27. HYDROLANT 3351/162016-12-11 → 2016-12-13
    Cape wrath light 58-37.5N 005-00.0W unlit
    Eastern North Atlantic · Scotland-north Coast
  28. HYDROLANT 3163/162016-11-25 → 2016-11-29
    Penedos de sao pedro e sao paulo light 00-55.2N 029-20.6W unlit
    North Atlantic
  29. NAVAREA IV 987/162016-11-22 → 2016-11-22
    NAVTEX station charleston (e) 32-50.7N 079-57.0W inoperative
    Western North Atlantic · South Carolina · NAVTEX
  30. HYDROLANT 3052/162016-11-16 → 2016-11-17
    Cape wrath light 58-37.5N 005-00.0W unlit
    Eastern North Atlantic · Scotland-north Coast
  31. NAVAREA IV 964/162016-11-11 → 2017-02-03
    NAVTEX station miami (a) 25-37.4N 080-23.4W reception capabilities unreliable
    Western North Atlantic · Florida · NAVTEX
  32. HYDROLANT 2783/162016-10-22 → 2016-10-24
    Cgoc shetland dsc services at dunnet head 58-39N 003-22W off air
    Eastern North Atlantic · North Sea · Scotland-north Coast · Radio Services
  33. HYDROLANT 2763/162016-10-20 → 2017-01-27
    Cap spartel light 35-47.5N 005-55.4W unlit
    Eastern North Atlantic · Strait of Gibraltar · Morocco-northwest Coast
  34. HYDROLANT 2715/162016-10-16 → 2016-10-17
    GPS jamming exercises 170800Z to 170900Z and 171000Z to 171100Z oct within 25 miles of 58-36.2N 004-46.5W
    Eastern North Atlantic · North Minch · Scotland-north Coast · GPS Satellite System
  35. NAVAREA IV 871/162016-10-10 → 2016-10-13
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W inoperative
    Western North Atlantic · Virginia · NAVTEX
  36. HYDROLANT 2616/162016-10-07 → 2016-10-07
    NAVTEX station las palmas (I) 28-26.0N 016-20.2W off air
    Eastern North Atlantic · Canary Islands · NAVTEX
  37. HYDROLANT 2596/162016-10-05 → 2016-10-15
    Penedos de sao pedro e sao paulo light 00-55.2N 029-20.6W unlit
    North Atlantic
  38. HYDROLANT 2179/162016-08-25 → 2016-12-17
    Rio calcoene light 02-30.4N 050-48.4W destroyed
    Brazil-north Coast
  39. HYDROLANT 2084/162016-08-16 → 2016-08-21
    Ilha do para light 00-52.8N 049-59.2W unlit
    Brazil-north Coast
  40. HYDROLANT 2016/162016-08-09 → 2016-08-16
    North unst, muckle flugga light 60-51.3N 000-53.1W unlit
    Shetland Islands
  41. HYDROLANT 1999/162016-08-07 → 2016-08-09
    North unst, muckle flugga light 60-51.3N 000-53.1W unreliable
    Shetland Islands
  42. NAVAREA IV 628/162016-07-31 → 2016-07-31
    Isabela dgps station 18-28.0N 067-04.3W unusable
    Puerto Rico-northwest Coast
  43. NAVAREA IV 620/162016-07-28 → 2016-08-11
    Key west dgps station 24-34.9N 081-39.2W discontinued at 041200Z aug
    Florida-south Coast
  44. NAVAREA IV 619/162016-07-28 → 2016-08-11
    Isabela dgps station 18-28.0N 067-04.3W discontinued at 041200Z aug
    Puerto Rico-northwest Coast
  45. NAVAREA IV 610/162016-07-26 → 2016-07-26
    Isabela dgps station 18-28.0N 067-04.3W unusable
    Puerto Rico-northwest Coast
  46. HYDROLANT 1881/162016-07-25 → 2016-07-25
    Cgoc shetland dsc services at dunnet head 58-39N 003-22W off air
    Eastern North Atlantic · North Sea · Scotland-north Coast · Radio Services
  47. NAVAREA IV 597/162016-07-22 → 2016-07-22
    Isabela dgps station 18-28.0N 067-04.3W unusable
    Puerto Rico-northwest Coast
  48. NAVAREA IV 586/162016-07-20 → 2016-07-20
    Isabela dgps station 18-28.0N 067-04.3W unusable
    Puerto Rico-northwest Coast
  49. NAVAREA IV 568/162016-07-15 → 2016-07-15
    Isabela dgps station 18-28.0N 067-04.3W unusable
    Puerto Rico-northwest Coast
  50. NAVAREA IV 557/162016-07-12 → 2016-07-13
    Isabela dgps station 18-28.0N 067-04.3W unusable
    Puerto Rico-northwest Coast

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 12 · seahazards