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. HYDROLANT 1781/062006-09-30 → 2007-02-08
    RACON at berta light 30-24.0N 050-17.4W off air
  2. HYDROLANT 1702/062006-09-16 → 2006-09-16
    Dsc station dunnet head 58-40.2N 003-22.5W off air
  3. HYDROLANT 1701/062006-09-16 → 2006-09-30
    Berta light 30-24.0N 050-17.4W unlit and RACON off air
  4. HYDROLANT 1388/062006-07-26 → 2006-07-26
    Dsc station collafirth 60-32N 001-23W unusable until further notice
  5. HYDROLANT 1377/062006-07-25 → 2006-07-26
    Sule skerry light 59-06.0N 004-24.3W unreliable
  6. HYDROLANT 649/062006-04-02 → 2006-04-04
    Cabo orange light 04-25.9N 051-32.5W unlit
  7. HYDROLANT 367/062006-02-22 → 2006-03-30
    Yellow light buoy 57-19.1N 007-33.2W temporarily established
  8. NAVAREA IV 36/062006-02-06 → 2006-02-08
    GPS unreliable 071900Z to 072200Z, 080001Z to 080300Z and 081400Z to 081700Z feb within 50 miles of 36-50.0N…
  9. HYDROLANT 233/062006-02-02 → 2006-02-10
    Dsc station collafirth hill 60-32N 001-23W mf dsc and rt services inoperative
  10. HYDROLANT 136/062006-01-22 → 2006-01-22
    Rona light 59-07.3N 005-48.8W unlit
  11. HYDROLANT 105/062006-01-17 → 2008-02-09
    Odas buoy established in 45-10N 010-30W
  12. HYDROLANT 60/062006-01-10 → 2006-01-11
    Foula island south ness light 60-06.8N 002-03.7W unlit
  13. HYDROLANT 3/062006-01-01 → 2006-01-02
    Foula island south ness light 60-06.8N 002-03.7W unlit
  14. HYDROLANT 2353/052005-12-16 → 2006-01-03
    Ponta do seu light 00-46.1N 050-05.7W unlit
  15. HYDROLANT 2340/052005-12-14 → 2006-01-03
    Ilha do para light 00-52.8N 049-59.3W unlit
  16. HYDROLANT 2052/052005-11-08 → 2005-11-10
    RACON at gruney island light 60-39.2N 001-18.1W inoperative
  17. HYDROLANT 2051/052005-11-08 → 2005-11-14
    Fugla ness light 60-06.4N 001-20.7W unlit
  18. HYDROLANT 2034/052005-11-05 → 2005-11-06
    Dsc station compass head 59-52N 001-16W and collafirth 60-32N 001-23W mf and rt dsc off air
  19. HYDROLANT 1997/052005-11-02 → 2005-11-06
    Ilha do para light 00-52.8N 049-59.3W unlit
  20. HYDROLANT 1971/052005-10-30 → 2005-10-30
    RACON at santarem light 00-38.8N 050-05.7W inoperative
  21. HYDROLANT 1952/052005-10-27 → 2005-10-29
    Flannan isles light 58-17.3N 007-35.4W unreliable
  22. HYDROLANT 1765/052005-09-28 → 2005-10-30
    Santarem light 00-38.8N 050-05.7W unlit and RACON inoperative
  23. HYDROLANT 1761/052005-09-27 → 2005-09-29
    Flannan isles light 58-17.3N 007-35.4W unlit
  24. HYDROLANT 1568/052005-08-27 → 2005-08-28
    Strathy point light 58-36N 004-01W unreliable
  25. HYDROLANT 1537/052005-08-23 → 2005-08-25
    HYDROLANT 1537/05
  26. HYDROLANT 1518/052005-08-19 → 2006-02-01
    Gasker island light 57-59.1N 007-17.2W unlit
  27. NAVAREA IV 227/052005-08-11 → 2005-08-11
    Cape canaveral dgps station 28-27.6N 080-32.6W off air 111200Z to 111400Z aug
  28. HYDROLANT 1309/052005-07-18 → 2005-07-18
    Mrsc shetland 60-32N 001-23W mf dsc inoperative
  29. HYDROLANT 1295/052005-07-14 → 2005-07-15
    Flannan isles light 58-17.3N 007-35.4W unreliable
  30. HYDROLANT 1276/052005-07-11 → 2005-07-12
    Flannan isles light 58-17.3N 007-35.4W unreliable
  31. HYDROLANT 1260/052005-07-07 → 2005-07-08
    Flannan isles light 58-17.3N 007-35.4W unreliable
  32. HYDROLANT 1121/052005-06-14 → 2005-08-17
    Odas buoy established in 55-24N 012-34W
  33. HYDROLANT 965/052005-05-21 → 2005-10-21
    Cabo orange light 04-25.9N 051-32.5W unlit
  34. HYDROLANT 842/052005-05-05 → 2005-06-16
    Odas buoy, fl w 5 sec, established in 42-58.1N 011-02.0W
  35. HYDROLANT 691/052005-04-14 → 2005-04-15
    North unst light 60-51.3N 000-53.0W unreliable
  36. HYDROLANT 668/052005-04-11 → 2005-04-12
    Brough head light 59-08.2N 003-20.3W unreliable
  37. HYDROLANT 566/052005-03-29 → 2005-03-29
    Dsc station collafirth 60-32N 001-23W mf dsc and rt services inoperative
  38. HYDROLANT 480/052005-03-14 → 2005-03-16
    Mrcc shetland 59-54N 001-22W VHF dsc off air
  39. HYDROLANT 233/052005-02-01 → 2005-03-02
    Whale rock lightbuoy 57-54N 008-00W missing
  40. HYDROLANT 78/052005-01-12 → 2005-01-13
    Dsc collafirth 60-32N 001-23W mf off air
  41. HYDROLANT 76/052005-01-12 → 2005-01-26
    Dgps station at butt of lewis light 58-31N 006-16W inoperative
  42. NAVAREA IV 10/052005-01-10 → 2005-02-09
    RACON at charleston entrance buoy c 32-35-05N 079-35-30W inoperative
  43. HYDROLANT 23/052005-01-05 → 2005-01-05
    Dsc station collafirth 60-32N 001-23W mf dsc off air
  44. NAVAREA IV 370/042004-11-15 → 2004-11-16
    Kensington dgps station 33-28.86N 079-20.58W off air 161400Z to 161600Z nov
  45. NAVAREA IV 363/042004-11-04 → 2004-11-05
    Savannah dgps station 32-08N 081-42W off air 051400Z to 051600Z nov
  46. NAVAREA IV 357/042004-10-29 → 2004-11-01
    Cape canaveral dgps station 28-27.6N 080-32.6W off station
  47. NAVAREA IV 337/042004-10-06 → 2004-10-07
    Cape canaveral dgps station 28-27.6N 080-32.6W at reduced power
  48. NAVAREA IV 322/042004-09-27 → 2004-10-01
    St
  49. HYDROLANT 1562/042004-09-24 → 2004-09-25
    Dsc station collafirth hill 60-32N 001-23W inoperative
  50. HYDROLANT 1456/042004-09-06 → 2004-09-08
    Sule skerry light 59-05N 004-24W 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 24 · seahazards