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 330/202020-04-18 → 2020-05-27
    Uscg remote communication facility miami (a) 25-37.4N 080-23.4W NAVTEX and hf services unreliable
    Western North Atlantic · Florida
  2. NAVAREA IV 320/202020-04-13 → 2020-04-16
    Uscg remote communication facility miami (a) 25-37.4N 080-23.4W NAVTEX and hf services unreliable
    Western North Atlantic · Florida
  3. HYDROLANT 1295/202020-04-10 → 2020-04-13
    Muckle flugga light 60-51.3N 000-53.1W unreliable
    Eastern North Atlantic · Shetland Islands
  4. HYDROLANT 1294/202020-04-10 → 2020-06-07
    Cap draa light 28-40.5N 011-07.5W unlit
    Eastern North Atlantic · Morocco
  5. HYDROLANT 1273/202020-04-09 → 2020-04-30
    Penedos de sao pedro e sao paulo light 00-55.2N 029-20.6W unlit
    Western South Atlantic · Brazil-south Coast
  6. HYDROLANT 1208/202020-04-03 → 2020-06-07
    Cap spartel lighthouse 35-47.5N 005-55.4W unlit
    Eastern North Atlantic · Morocco
  7. HYDROLANT 1153/202020-03-30 → 2020-03-30
    Cgoc shetland mf dsc at collafirth hill site 60-32.0N 001-23.5W off air
    Eastern North Atlantic · Shetland Islands
  8. HYDROLANT 974/202020-03-14 → 2020-03-14
    Cgoc shetland mf dsc at collafirth hill site 60-32.0N 001-23.5W off air
    Eastern North Atlantic · Shetland Islands
  9. NAVAREA IV 227/202020-03-11 → 2020-03-13
    Hf dsc data services unreliable at uscg remote communication facilities: a. boston (f) 41-42.8N 070-30.3W
  10. HYDROLANT 835/202020-03-04 → 2020-08-11
    Cabo orange light 04-26.0N 051-32.2W unlit until 30 aug
    Western North Atlantic · Brazil-north Coast
  11. NAVAREA IV 204/202020-03-04 → 2020-04-05
    Uscg remote communication facility miami (a) 25-37.4N 080-23.4W hf and dsc services unreliable
    Western North Atlantic · Florida
  12. HYDROLANT 431/202020-02-07 → 2022-01-14
    Beddouza light 32-32.4N 009-16.9W unlit
    Eastern North Atlantic · Morocco
  13. NAVAREA IV 92/202020-01-27 → 2020-01-30
    NAVTEX station charleston (e) 32-50.7N 079-57.0W off air 1300Z to 1700Z daily 29 and 30 jan
    Western North Atlantic · South Carolina
  14. NAVAREA IV 82/202020-01-24 → 2020-05-29
    La desirade light 16-20.0N 061-00.3W unlit
    Eastern Caribbean Sea · Guadeloupe
  15. NAVAREA IV 73/202020-01-22 → 2020-01-24
    NAVAREA IV 1. all NAVTEX stations inoperable 241300Z to 241900Z jan: a. new orleans, la (g) 29-53.1N 089-56.7W
  16. HYDROLANT 224/202020-01-22 → 2020-01-25
    Flannan isles light 58-17.3N 007-35.4W unreliable
    Eastern North Atlantic · Scotland-west Coast
  17. HYDROLANT 180/202020-01-18 → 2020-03-01
    Cabo orange light 04-26.0N 051-32.2W unlit until 16 jul
    Western North Atlantic · Brazil-north Coast
  18. HYDROLANT 134/202020-01-14 → 2020-01-16
    Muckle flugga light 60-51-19N 000-53-08W unreliable
    Eastern North Atlantic · Shetland Islands
  19. HYDROLANT 120/202020-01-14 → 2020-01-14
    Muckle flugga light 60-51-19N 000-53-08W unreliable
    Eastern North Atlantic · Shetland Islands
  20. HYDROLANT 117/202020-01-14 → 2020-01-14
    Sule skerry light 59-05.1N 004-24.5W unlit
    Eastern North Atlantic · Scotland
  21. HYDROLANT 110/202020-01-13 → 2020-01-26
    Rona lighthouse 59-07.3N 005-48.8W inoperative
    Eastern North Atlantic · Scotland
  22. NAVAREA IV 42/202020-01-13 → 2020-02-02
    Uscg remote communication facility boston (f) 41-42.8N 070-30.3W broadcast and communication services…
    Western North Atlantic · Massachusetts
  23. NAVAREA IV 32/202020-01-09 → 2020-01-16
    NAVTEX station charleston (e) 32-50.7N 079-57.0W unreliable
    Western North Atlantic · South Carolina
  24. NAVAREA IV 13/202020-01-05 → 2020-01-06
    NAVTEX station charleston (e) 32-50.7N 079-57.0W inoperative
    Western North Atlantic · South Carolina
  25. NAVAREA IV 1/202020-01-01 → 2020-01-05
    Uscg remote communication facility miami (a) 25-37.4N 080-23.4W hf and dsc services unreliable
    Western North Atlantic · Florida
  26. HYDROLANT 4015/192019-12-31 → 2019-12-31
    Sule skerry light 59-05.1N 004-24.5W unlit
    Eastern North Atlantic · Scotland
  27. NAVAREA IV 1115/192019-12-26 → 2019-12-31
    Dsc services unreliable at uscg remote communication facilities: a. boston (f) 41-42.8N 070-30.3W
  28. NAVAREA IV 1104/192019-12-23 → 2019-12-26
    NAVTEX station puerto rico (r) 18-28.0N 067-04.3W off air
    Western North Atlantic · Caribbean Sea · Puerto Rico
  29. NAVAREA IV 1089/192019-12-17 → 2019-12-18
    NAVTEX, sitor and vobra unreliable at uscg remote communication facilities: a. boston (f) 41-42.8N 070-30.3W
  30. HYDROLANT 3863/192019-12-16 → 2019-12-18
    Muckle flugga light 60-51.3N 000-53.1W light unreliable
    Eastern North Atlantic · Shetland Islands
  31. NAVAREA IV 1069/192019-12-11 → 2019-12-11
    NAVTEX, sitor and vobra unreliable at uscg remote communication facilities: a. boston (f) 41-42.8N 070-30.3W
  32. NAVAREA IV 1068/192019-12-10 → 2019-12-11
    Punta maternillos light 21-39.7N 077-08.4W unreliable
    Old Bahama Channel · Cuba
  33. HYDROLANT 3762/192019-12-07 → 2019-12-15
    Cgoc shetland mf dsc at collafirth hill site 60-32.0N 001-23.5W off air
    Eastern North Atlantic · Shetland Islands
  34. NAVAREA IV 1043/192019-12-02 → 2019-12-06
    All US NAVTEX station inoperable until further notice: a. boston (f) 41-42.8N 070-30.3W
  35. HYDROLANT 3646/192019-11-27 → 2020-01-06
    Tarfaya light 27-54.8N 012-56.5W unlit
    Eastern North Atlantic · Morocco
  36. HYDROLANT 3512/192019-11-15 → 2019-11-20
    NAVTEX station coruna (d) 43-22.0N 008-27.1W unreliable
    Eastern North Atlantic · Spain
  37. NAVAREA IV 997/192019-11-15 → 2019-11-16
    NAVTEX station charleston (e) 32-50.7N 079-57.0W off air
    Western North Atlantic · South Carolina
  38. HYDROLANT 3501/192019-11-14 → 2019-11-15
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  39. NAVAREA IV 994/192019-11-14 → 2020-01-13
    Cayo paredon grande light 22-29.0N 078-09.9W range reduced to 19 miles
    Western North Atlantic · Old Bahama Channel · Cuba
  40. NAVAREA IV 993/192019-11-14 → 2019-11-15
    NAVTEX station charleston (e) 32-50.7N 079-57.0W off air
    Western North Atlantic · South Carolina
  41. NAVAREA IV 981/192019-11-08 → 2019-11-14
    Cayo paredon grande light 22-29.0N 078-09.9W, unreliable
    Western North Atlantic · Old Bahama Channel · Cuba
  42. HYDROLANT 3438/192019-11-07 → 2019-11-08
    Esha ness light 60-29.4N 001-37.7W unreliable
    Eastern North Atlantic · Shetland Islands
  43. HYDROLANT 3402/192019-11-05 → 2019-11-05
    Point of fethaland light 60-38-02N 001-18-43W unreliable
    Eastern North Atlantic · Shetland Islands
  44. NAVAREA IV 951/192019-10-30 → 2020-05-01
    Odas buoy 14-49.2N 051-02.5W unlit
    Western North Atlantic
  45. NAVAREA IV 934/192019-10-24 → 2020-05-01
    Punta barima light 08-35.1N 060-25.0W unreliable
    Western North Atlantic · Venezuela
  46. NAVAREA IV 923/192019-10-19 → 2019-12-02
    Uscg remote communication facility miami (a) 25-37.4N 080-23.4W hf audio receive unreliable
    Western North Atlantic · Florida
  47. HYDROLANT 3183/192019-10-18 → 2019-10-21
    Rabat light 34-01.9N 006-50.7W unlit
    Eastern North Atlantic · Morocco
  48. NAVAREA IV 912/192019-10-16 → 2019-12-02
    NAVTEX station puerto rico (r) 18-28.0N 067-04.3W inoperative
    Western North Atlantic · Caribbean Sea · Puerto Rico
  49. NAVAREA IV 902/192019-10-11 → 2019-10-13
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W inoperative
    Western North Atlantic · Virginia
  50. NAVAREA IV 875/192019-10-08 → 2019-10-09
    All US NAVTEX station inoperable until further notice: a. boston (f) 41-42.8N 070-30.3W

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 8 · seahazards