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 · 1,632 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 221/022002-06-17 → 2002-06-18
    Charleston dgps station 32-45.5N 079-50.6W off air 181300Z to 181500Z jun
  2. HYDROLANT 1327/022002-06-15 → 2002-06-17
    Cape wrath light 58-37.5N 005-00.0W unlit
  3. HYDROLANT 1134/022002-05-21 → 2002-05-21
    Muckle flugga light 60-51.3N 000-53.2W unreliable
  4. HYDROLANT 1070/022002-05-10 → 2002-09-13
    AM-1 lightfloat 01-34.2N 049-01.3W missing
  5. HYDROLANT 1042/022002-05-05 → 2002-05-07
    Punta del morro jable light 28-02.7N 014-19.9W unlit
  6. NAVAREA IV 160/022002-05-01 → 2002-09-21
    Mooring buoy, (q) fl y, ra ref, established in 24-33.0N 077-38.1W
  7. HYDROLANT 826/022002-04-10 → 2002-04-13
    Flannan isles light 58-17.3N 007-35.0W unreliable
  8. HYDROLANT 815/022002-04-09 → 2002-04-10
    Flannan isles light 58-17.3N 007-35.0W unlit
  9. HYDROLANT 789/022002-04-06 → 2002-04-09
    Flannan isles light 58-17.3N 007-35.0W unreliable
  10. HYDROLANT 647/022002-03-20 → 2002-03-21
    Brough head light 59-08N 003-20W unlit
  11. NAVAREA IV 88/022002-03-13 → 2002-03-14
    Key west dgps station 24-34-54N 081-39-06W off air 141400Z to 142000Z mar
  12. HYDROLANT 549/022002-03-09 → 2002-03-11
    Monarch isles light 57-32N 007-42W unreliable
  13. HYDROLANT 548/022002-03-09 → 2002-03-14
    Cape wrath light 58-38N 005-00W unreliable
  14. HYDROLANT 523/022002-03-07 → 2002-03-08
    Cape wrath light 58-38N 005-00W unreliable
  15. NAVAREA IV 75/022002-03-01 → 2002-03-06
    NAVTEX and dgps station isabella 18-30N 067-03W off air 1200Z to 2000Z daily 05 and 06 mar
  16. HYDROLANT 445/022002-02-23 → 2002-03-01
    North rona light 59-07N 005-49W unreliable
  17. HYDROLANT 444/022002-02-23 → 2002-03-01
    Flannan isles light 58-17N 007-35W unreliable
  18. HYDROLANT 286/022002-02-04 → 2002-02-05
    Monarch islands light 57-32N 007-42W unlit
  19. HYDROLANT 218/022002-01-29 → 2002-01-31
    Foula island south ness light 60-07N 002-04W unlit
  20. HYDROLANT 207/022002-01-28 → 2002-01-30
    Monarch islands light 57-32N 007-42W unlit
  21. HYDROLANT 188/022002-01-26 → 2002-02-07
    Mehdiya light 34-15.7N 006-39.7W unlit
  22. NAVAREA IV 33/022002-01-25 → 2002-01-25
    Dgps station at cape canaveral light 28-27-35N 080-32-35W off air 251800Z to 252100Z jan
  23. HYDROLANT 162/022002-01-23 → 2002-01-24
    Noup head light 59-20N 003-04W unreliable
  24. NAVAREA IV 27/022002-01-22 → 2002-01-22
    Dgps station at charleston light 32-45-28N 079-50-35W off air 221600Z to 222000Z jan
  25. NAVAREA IV 23/022002-01-18 → 2002-01-26
    GPS unreliable 1200Z to 2359Z daily 21 thru 25 jan within two miles of 28-28N 080-34W
  26. HYDROLANT 57/022002-01-09 → 2002-01-11
    Ponta de itapage light 02-52N 039-57W unlit
  27. HYDROLANT 3035/012001-11-27 → 2001-12-08
    RACON at tory island light 55-16.3N 008-15.0W inoperative
  28. HYDROLANT 2966/012001-11-19 → 2001-11-26
    Rona light 59-07.3N 005-48.8W unreliable
  29. HYDROLANT 2943/012001-11-15 → 2001-11-16
    Rona light 59-07.3N 005-48.8W unreliable
  30. NAVAREA IV 431/012001-11-14 → 2001-11-15
    Isabella dgps station 18-27-42N 067-04-00W off air 151400Z to 151600Z nov
  31. HYDROLANT 2824/012001-11-01 → 2001-11-02
    Rona light 59-07.3N 005-48.9W unreliable
  32. HYDROLANT 2807/012001-10-31 → 2001-11-02
    GPS jamming exercises 0900Z to 1700Z daily 31 oct thru 02 nov in area bound by 58-36N 004-46W, 59-10N…
  33. HYDROLANT 2687/012001-10-16 → 2001-10-17
    Rona light 59-07N 005-49W unreliable
  34. HYDROLANT 2665/012001-10-13 → 2001-10-13
    Orkney islands 59-00N 003-00W and shetland islands 60-30N 001-30W mf dsc inoperative
  35. HYDROLANT 2539/012001-09-25 → 2001-09-25
    Dgps station at tory island light 55-16.4N 008-14.9W unreliable 251200Z to 251600Z sep
  36. HYDROLANT 2537/012001-09-25 → 2001-09-27
    Rona light 59-07.3N 005-48.8W unreliable
  37. HYDROLANT 2527/012001-09-23 → 2001-11-23
    Fog signal at cape wrath light 58-38N 005-00W discontinued
  38. HYDROLANT 2519/012001-09-21 → 2001-09-24
    Rona light 59-07.3N 005-48.8W unreliable
  39. HYDROLANT 2497/012001-09-20 → 2001-09-21
    Dgps station at tory island light 55-16.4N 008-15.0W unreliable
  40. HYDROLANT 2489/012001-09-18 → 2001-09-20
    Rona light 59-07.3N 005-48.8W unreliable
  41. HYDROLANT 2473/012001-09-15 → 2001-09-15
    North rona light 59-07N 005-49W unreliable
  42. HYDROLANT 2449/012001-09-11 → 2001-09-13
    Rona light 59-07.3N 005-48.8W unreliable
  43. NAVAREA IV 321/012001-08-29 → 2001-08-29
    Dsc station chesapeake 36-44N 076-01W inoperative
  44. HYDROLANT 2367/012001-08-29 → 2001-11-02
    Dgps station at tory island light 55-16.4N 008-14.9W changed to: 288.5 khz, 200 miles
  45. HYDROLANT 2297/012001-08-21 → 2001-08-22
    Gasker light 57-59N 007-17W unreliable
  46. HYDROLANT 2228/012001-08-12 → 2001-08-14
    Gasker island light 57-59N 007-17W unreliable
  47. HYDROLANT 2176/012001-08-06 → 2001-08-07
    Gasker island light 57-59N 007-17W unlit
  48. HYDROLANT 2117/012001-07-28 → 2001-07-29
    Dsc station fitful head 59-54N 001-23W inoperative
  49. HYDROLANT 2051/012001-07-22 → 2001-07-25
    RACON at ve skerries light 60-22N 001-49W inoperative
  50. HYDROLANT 2020/012001-07-18 → 2001-07-19
    Noup head light 59-20N 003-04W unlit

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 27 · seahazards