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 · 883 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 1341/232023-11-17 → 2024-03-13
    Punta maya light 023-05.60N 081-28.50W unreliable
    Straits of Florida · Cuba
  2. NAVAREA IV 1328/232023-11-16 → 2023-11-17
    Uscg remote communication facility miami (a) 25-37.40N 080-23.40W service unreliable
    Western North Atlantic · Florida
  3. HYDROLANT 2578/232023-11-10 → 2023-11-23
    Cable buoys established in: a. 46-54.36N 010-00.52W
    Eastern North Atlantic
  4. NAVAREA IV 1260/232023-10-31 → 2026-08-14
    Ile Royale Light at 05-17.22N 052-35.52W is unlit.
    Western North Atlantic · French Guiana
  5. NAVAREA IV 1243/232023-10-27 → 2023-10-31
    Uscg remote communication facility miami (a) 25-37.4N 080-23.4W hf transmit capabilities unreliable
    Western North Atlantic · Florida
  6. NAVAREA IV 1238/232023-10-26 → 2023-10-26
    NAVTEX station charleston (e) 32-50.7N 079-57.0W unreliable
    Western North Atlantic · South Carolina
  7. HYDROLANT 2423/232023-10-23 → 2023-11-03
    El hank light 33-36.60N 007-39.30W unlit
    Eastern North Atlantic · Morocco
  8. HYDROLANT 2365/232023-10-18 → 2023-10-18
    Cgoc shetland mf dsc and r/t services at collafirth hill site 60-32.00N 001-23.50W off air
    Eastern North Atlantic · Shetland Islands
  9. HYDROLANT 2348/232023-10-16 → 2023-11-24
    NAVTEX station sao miguel (f) 37-48.50N 025-33.20W off air
    North Atlantic · Azores
  10. NAVAREA IV 1194/232023-10-16 → 2023-10-16
    Uscg remote communication facility chesapeake (n) 36-43.00N 076-00.00W transmitters off air 161600Z to…
    Western North Atlantic · Virginia
  11. HYDROLANT 2317/232023-10-13 → 2023-10-14
    Muckle flugga light 60-51.30N 000-53.10W unlit
    Eastern North Atlantic · Shetland Islands
  12. NAVAREA IV 1179/232023-10-12 → 2023-10-18
    Ile royale light 05-17.22N 052-35.52W unlit
    Western North Atlantic · French Guiana
  13. HYDROLANT 2290/232023-10-09 → 2023-10-10
    Flannan isles light 58-17.3N 007-35.4W unreliable
    Eastern North Atlantic · Scotland
  14. HYDROLANT 2285/232023-10-09 → 2023-10-11
    NAVTEX station sao miguel (f) 37-48.00N 025-33.00W off air
    Azores
  15. HYDROLANT 2241/232023-10-03 → 2023-10-14
    Cap sim lighthouse 31-24.00N 009-50.00W unlit
    Eastern North Atlantic · Morocco
  16. NAVAREA IV 1080/232023-09-20 → 2023-09-21
    Uscg remote communication facility miami (a) 25-37.00N 080-23.00W hf and mf transmit and receive services…
    Florida
  17. HYDROLANT 2091/232023-09-17 → 2023-09-19
    Cgoc shetland mf dsc services at collafirth hill site 60-32.00N 001-23.50W off air
    Eastern North Atlantic · Shetland Islands
  18. NAVAREA IV 1068/232023-09-15 → 2023-09-17
    NAVTEX station charleston (e) 32-50.67N 079-57.00W off air
    South Carolina
  19. NAVAREA IV 1060/232023-09-14 → 2023-09-15
    Uscg remote communication facilities: a. boston (f) 41-43.00N 070-31.00W
  20. NAVAREA IV 1059/232023-09-13 → 2026-08-14
    Old Bahama Channel, Cuba: Cayo Fragoso Light at 22-48.40N 079-34.70W is unreliable.
    Old Bahama Channel · Western North Atlantic · Cuba
  21. HYDROLANT 2045/232023-09-11 → 2023-09-15
    Cap sim light 31-23.80N 009-49.80W unlit
    Eastern North Atlantic · Morocco
  22. NAVAREA IV 1050/232023-09-10 → 2023-09-12
    NAVTEX station charleston (e) 32-50.67N 079-57.00W off air
    Western North Atlantic · South Carolina
  23. NAVAREA IV 1036/232023-09-07 → 2023-09-12
    Ile royale front leading light 05-17.07N 052-35.21W unlit
    Western North Atlantic · French Guiana
  24. HYDROLANT 1970/232023-09-02 → 2023-10-05
    NAVTEX station sao miguel (f) 37-48.00N 025-33.00W off air
    Azores
  25. NAVAREA IV 1002/232023-08-30 → 2023-10-03
    Punta maternillos light 21-39.70N 077-08.40W unreliable
    Old Bahama Channel · Western North Atlantic · Cuba
  26. NAVAREA IV 959/232023-08-25 → 2026-08-14
    A lighthouse flashing every 10 seconds, 30 meters high, visible 35 miles, is established at Corocoro Island, Venezuela, at 08-33.40N 059-59.75W.
    Western North Atlantic · Venezuela
  27. NAVAREA IV 941/232023-08-21 → 2023-08-24
    Punta maternillo light 21-39.70N 077-08.40W unreliable
    Old Bahama Channel · Western North Atlantic · Cuba
  28. HYDROLANT 1844/232023-08-19 → 2024-02-16
    Cabo orange light 04-25.86N 051-32.52W unlit until 15 feb 24
    Western North Atlantic · Brazil
  29. NAVAREA IV 901/232023-08-13 → 2023-08-19
    The following US NAVTEX stations unreliable until further notice: a. boston (f) 41-42.8N 070-30.3W
    Western North Atlantic · Gulf of Mexico
  30. HYDROLANT 1792/232023-08-13 → 2023-08-14
    Cgoc shetland mf r/t and dsc services at collafirth hill 60-32.00N 001-23.50W unreliable
    Eastern North Atlantic · Shetland Islands
  31. NAVAREA IV 893/232023-08-11 → 2023-08-13
    All US NAVTEX stations unreliable until further notice: a. boston (f) 41-42.8N 070-30.3W
    Western North Atlantic · Gulf of Mexico
  32. HYDROLANT 1759/232023-08-09 → 2023-08-10
    Cgoc shetland mf r/t services off air at: a. st margarets hope 58-49.25N 002-57.34W
    Eastern North Atlantic · North Sea · Shetland Islands
  33. NAVAREA IV 831/232023-07-22 → 2023-10-26
    NAVTEX station miami (a) 25-37.40N 080-23.37W off air
    Straits of Florida · Western North Atlantic · Florida
  34. NAVAREA IV 828/232023-07-22 → 2023-07-22
    Uscg remote communication facility miami (a) 25-37.40N 080-23.37W broadcast and communication services off air
    Straits of Florida · Western North Atlantic · Florida
  35. NAVAREA IV 804/232023-07-17 → 2023-09-17
    NAVTEX station charleston (e) 32-50.67N 079-57.00W off air
    South Carolina
  36. HYDROLANT 1592/232023-07-15 → 2023-09-03
    Sidi ifni lighthouse 29-22.50N 010-10.70W unlit
    Eastern North Atlantic · Morocco
  37. NAVAREA IV 797/232023-07-14 → 2023-07-19
    Virginia uscg remote communication facility chesapeake (n) 36-43.70N 076-00.60W hf dsc services unreliable
    Western North Atlantic
  38. NAVAREA IV 785/232023-07-12 → 2023-07-22
    NAVTEX station miami (a) 25-37.40N 080-23.37W inoperable
    Florida
  39. NAVAREA IV 751/232023-07-02 → 2023-07-02
    Uscg remote communication facility miami (a) 25-37.40N 080-23.37W dsc services off air
    Western North Atlantic · Florida
  40. NAVAREA IV 743/232023-06-30 → 2023-07-09
    NAVTEX station charleston (e) 32-50.67N 079-57.00W off air
    Western North Atlantic · South Carolina
  41. HYDROLANT 1431/232023-06-26 → 2023-08-04
    Cap d'aglou light 29-40.0N 009-58.0W unlit
    Eastern North Atlantic · Morocco
  42. HYDROLANT 1405/232023-06-23 → 2023-06-23
    Cgoc shetland mf dsc and r/t srevices at collafirth hill 60-32.00N 001-23.50W off air
    Eastern North Atlantic · Shetland Islands
  43. HYDROLANT 1402/232023-06-23 → 2023-06-24
    Cgoc shetland mf dsc and r/t services at collafirth hill site 60-32.0N 001-23.5W off air
    Eastern North Atlantic · Shetland Islands
  44. NAVAREA IV 696/232023-06-22 → 2023-06-24
    NAVTEX, sitor and vobra services unreliable 23 jun at uscg remote communication facilities: a. boston (f)…
    Gulf of Mexico · Western North Atlantic
  45. HYDROLANT 1293/232023-06-11 → 2023-07-05
    NAVTEX station mrcc lisbon 38-41.00N 009-19.00W off air
    Eastern North Atlantic · Portugal
  46. NAVAREA IV 627/232023-06-06 → 2023-08-29
    Ile royale front leading light 05-17.07N 052-35.21W unlit
    Western North Atlantic · French Guiana
  47. NAVAREA IV 625/232023-06-06 → 2023-06-08
    Uscg remote communication facility boston (f) 41-42.8N 070-30.3W hf transmit services unreliable
    Western North Atlantic · Massachusetts
  48. HYDROLANT 1225/232023-06-01 → 2023-06-07
    Collafirth hill mf r/t and dsc services in 60-32.00N 001-23.50W off air
    Eastern North Atlantic · Shetland Islands
  49. NAVAREA IV 602/232023-05-31 → 2023-06-13
    NAVTEX station chesapeake (n) 36-43.70N 076-00.60W unreliable
    Virginia
  50. NAVAREA IV 593/232023-05-30 → 2023-05-31
    NAVTEX station chesapeake (n) 36-43.70N 076-00.60W off air
    Virginia

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 2 · seahazards