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 1959/012001-07-11 → 2001-07-14
    Rona light 59-07.3N 005-48.8W unreliable
  2. HYDROLANT 1879/012001-07-03 → 2001-07-05
    Dgps station at butt of lewis light 58-31N 006-16W inoperative 030830Z to 031430Z jul and unreliable 0830Z…
  3. HYDROLANT 1865/012001-07-01 → 2001-07-01
    Rona light 59-07N 005-49W unreliable
  4. HYDROLANT 1857/012001-06-30 → 2001-06-30
    Rona light 59-07N 005-49W unreliable
  5. HYDROLANT 1526/012001-05-25 → 2001-06-03
    Cape wrath light 58-38N 005-00W unreliable
  6. NAVAREA IV 148/012001-05-01 → 2001-05-01
    Dsc stations boston 41-39N 070-30W, chesapeake 36-44N 076-01W, miami 25-37N 080-23W and new orleans 29-53N…
  7. HYDROLANT 1185/012001-04-18 → 2001-04-27
    Monach isles light 57-32N 007-42W unreliable
  8. NAVAREA IV 113/012001-04-03 → 2001-04-04
    Isabella dgps station 18-27.7N 067-04.0W off air 041200Z to 041400Z apr
  9. NAVAREA IV 110/012001-04-02 → 2001-04-20
    Dsc station miami 25-37N 080-23W off air
  10. HYDROLANT 1041/012001-04-01 → 2001-04-07
    All navigational aids at cape wrath light 58-38N 005-00W unreliable
  11. HYDROLANT 929/012001-03-22 → 2001-04-10
    Penedos de sao pedro e sao paulo light 00-55.2N 029-20.6W unreliable
  12. HYDROLANT 500/012001-02-10 → 2001-02-11
    Dsc station dunnet head 58-40.2N 003-22.5W off air
  13. NAVAREA IV 32/012001-01-30 → 2001-07-20
    Odas buoy 44004, FL(4) y 20 sec established in 38-30.2N 070-28.3W
  14. HYDROLANT 259/012001-01-23 → 2001-01-26
    Dgps station at canivete radiobeacon 00-30.6N 050-24.9W inoperative
  15. NAVAREA IV 21/012001-01-17 → 2001-06-22
    Mooring buoy established in 24-19.3N 077-36.1W
  16. NAVAREA IV 20/012001-01-16 → 2001-01-30
    Odas buoy 41004, FL(4) y 20 sec, established in 38-30.1N 070-29.6W
  17. HYDROLANT 4226/002000-12-24 → 2000-12-25
    Heisker island light 57-32N 007-42W unreliable
  18. HYDROLANT 4169/002000-12-19 → 2000-12-22
    Ballybunnion buoy 52-32.5N 009-46.9W unlit
  19. HYDROLANT 3841/002000-11-14 → 2000-11-16
    Haskeir island light 57-42N 007-41W unreliable
  20. NAVAREA IV 467/002000-11-14 → 2000-11-24
    Odas buoy 41004 (32-30.6N 079-06.0W) unlit and off station
  21. HYDROLANT 3764/002000-11-08 → 2000-11-09
    Muckle flugga light 60-51N 000-53W unreliable
  22. HYDROLANT 3763/002000-11-08 → 2000-11-09
    Point of fethaland light 60-38N 001-19W unreliable
  23. HYDROLANT 3599/002000-10-23 → 2000-10-23
    Muckle flugga light 60-51N 000-53W unreliable
  24. HYDROLANT 3598/002000-10-23 → 2000-10-23
    Point of fethaland light 60-38N 001-19W unreliable
  25. HYDROLANT 3472/002000-10-12 → 2000-10-12
    Rio amazonas (AM-1) lightfloat 01-34N 049-01W missing
  26. HYDROLANT 3410/002000-10-05 → 2000-10-05
    Dsc station collafirth 60-32N 001-23W mf and lerwick 60-08N 001-09W mf and mf dsc unreliable
  27. HYDROLANT 3220/002000-09-18 → 2002-03-20
    Brough head light 59-08N 003-20W range temporarily reduced to ten miles
  28. NAVAREA IV 381/002000-09-13 → 2000-09-17
    Dsc station miami 25-37N 080-23W inoperative
  29. NAVAREA IV 366/002000-09-06 → 2000-09-06
    Cape canaveral dgps station 28-27-35N 080-32-35W at reduced power
  30. NAVAREA IV 363/002000-09-05 → 2000-09-16
    Cable buoy, yellow, fl y 4 sec, ra ref, established until 15 sep in 38-20.2N 058-08.1W
  31. HYDROLANT 3053/002000-09-02 → 2000-09-04
    Cable buoy, yellow, fl y, ra ref, established until 15 sep in 38-20.2N 058-08.1W
  32. HYDROLANT 2970/002000-08-26 → 2002-10-11
    Odas buoy 05FR, yellow, FL(5) w 20 sec, ra ref, established in 41-36.9N 020-02.4W
  33. HYDROLANT 2623/002000-07-26 → 2000-07-27
    RACON at gruney island light 60-39N 001-18W inoperative
  34. NAVAREA IV 283/002000-07-12 → 2000-09-08
    Odas buoy 41002 relocated to 32-17-08N 075-13-03W
  35. HYDROLANT 2409/002000-07-07 → 2000-08-16
    Radiobeacon at cabo finisterre light 42-52.9N 009-16.3W off air
  36. HYDROLANT 2364/002000-07-04 → 2000-07-07
    Dgps station at butt of lewis light 58-31N 006-16W unreliable 0830Z to 1700Z daily 04 thru 07 jul
  37. HYDROLANT 2330/002000-07-01 → 2000-07-11
    Ponta do ceu light 00-46.1N 050-05.7W unlit
  38. HYDROLANT 2329/002000-07-01 → 2000-07-11
    RACON at santarem light 00-38.8N 050-05.7W inoperative
  39. HYDROLANT 2210/002000-06-20 → 2001-04-20
    Aird laimishader light 58-17N 006-50W changed to: fl 6 sec 14 meters 8 miles
  40. HYDROLANT 2144/002000-06-15 → 2000-06-30
    Rio amazonas lightfloat AM-1 (01-34.1N 049-01.3W) unreliable and RACON inoperative
  41. HYDROLANT 1840/002000-05-21 → 2000-05-26
    Whale rock buoy, Q(3) w, established in 57-54.4N 007-59.9W
  42. HYDROLANT 1782/002000-05-18 → 2000-05-19
    Cape wrath light 58-38N 005-00W unreliable
  43. HYDROLANT 1728/002000-05-14 → 2000-08-11
    Whale rock east cardinal buoy established in 57-54.4N 007-59.9W
  44. HYDROLANT 1466/002000-04-26 → 2000-04-26
    Monach isles light 57-32N 007-42W unreliable
  45. HYDROLANT 1108/002000-03-29 → 2000-05-09
    Radiobeacon at cabo silleiro light 42-06.2N 008-53.8W off air
  46. HYDROLANT 1050/002000-03-23 → 2000-03-27
    Gasker light 57-59N 007-17W unlit
  47. HYDROLANT 1002/002000-03-21 → 2000-03-23
    Gasker light 57-59N 007-17W unlit
  48. HYDROLANT 851/002000-03-07 → 2000-03-13
    Cable buoy temporarily established in 60-05.2N 008-04.3W
  49. HYDROLANT 849/002000-03-07 → 2000-03-09
    Monach island light 57-32N 007-42W unreliable
  50. NAVAREA IV 79/002000-03-07 → 2000-03-08
    Dsc station chesapeake 36-44N 076-01W off air

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 28 · seahazards