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. HYDROLANT 3384/182018-10-31 → 2018-11-29
    Punta de picacho light 37-08.1N 006-49.6W unreliable
    Gulf of Cadiz · Spain
  2. NAVAREA IV 915/182018-10-30 → 2018-11-28
    Punta balandra light 19-10.8N 069-13.9W unlit
    Western North Atlantic · Dominican Republic
  3. NAVAREA IV 900/182018-10-26 → 2018-10-26
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W unreliable
    Western North Atlantic · Virginia
  4. NAVAREA IV 877/182018-10-19 → 2018-10-19
    Sitor and NAVTEX off air at uscg remote communication facilities: a. boston (f) 41-42.8N 070-30.3W
    Western North Atlantic · Gulf of Mexico
  5. HYDROLANT 3262/182018-10-17 → 2018-11-19
    Rabat light 34-01.9N 006-50.7W unlit
    Eastern North Atlantic · Morocco
  6. HYDROLANT 3242/182018-10-15 → 2018-10-16
    NAVTEX stations off air 160730Z to 161130Z oct 18: a. coruna (d) 43-22N 008-27W
    Eastern North Atlantic · Strait of Gibraltar · Spain
  7. NAVAREA IV 842/182018-10-10 → 2018-10-10
    Uscg remote communication facility miami (a) 25-37.4N 080-23.4W broadcast services unreliable
    Western North Atlantic · Florida
  8. HYDROLANT 3040/182018-09-26 → 2018-09-27
    NAVTEX stations off air 271000Z to 271215Z sep: a. coruna (d) 43-22.0N 008-27.1W
    Eastern North Atlantic · Spain
  9. HYDROLANT 2932/182018-09-16 → 2019-01-04
    Cabo bojador light 26-07N 014-29W unlit
    Eastern North Atlantic · Western Sahara
  10. HYDROLANT 2920/182018-09-15 → 2018-09-16
    Cgoc shetland mf r/t at collafirth hill 60-32N 001-23W unreliable
    Eastern North Atlantic · Shetland Islands
  11. NAVAREA IV 766/182018-09-13 → 2018-09-14
    NAVTEX stations unreliable: a. boston (f) 41-42.8N 070-30.3W
    Western North Atlantic · Gulf of Mexico
  12. NAVAREA IV 753/182018-09-10 → 2018-09-26
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W off air
    Western North Atlantic · Virginia
  13. NAVAREA IV 715/182018-08-31 → 2018-08-31
    Straits of florida
    Western North Atlantic
  14. HYDROLANT 2745/182018-08-29 → 2018-08-31
    Dgps station at tory island light 55-16.4N 008-14.9W unreliable 0900Z to 1500Z daily 30 and 31 aug
    Eastern North Atlantic · Sea of the Hebrides · Ireland
  15. HYDROLANT 2734/182018-08-27 → 2018-08-28
    Flannan isles light 58-17.3N 007-35.4W unreliable
    Eastern North Atlantic · Scotland-west Coast
  16. NAVAREA IV 691/182018-08-23 → 2018-11-15
    Punta barima light 08-35.1N 060-25.0W destroyed
    Western North Atlantic · Venezuela
  17. HYDROLANT 2687/182018-08-22 → 2018-08-22
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  18. NAVAREA IV 673/182018-08-20 → 2018-08-20
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W off air
    Western North Atlantic · Virginia
  19. HYDROLANT 2654/182018-08-19 → 2018-08-21
    Flannan isles light 58-17.3N 007-35.4W unreliable
    Eastern North Atlantic · Scotland-west Coast
  20. HYDROLANT 2638/182018-08-17 → 2019-01-04
    El hank light 33-36.6N 007-39.3W unlit
    Eastern North Atlantic · Morocco
  21. NAVAREA IV 653/182018-08-14 → 2019-01-04
    Acushnet dgps station 41-44.5N 070-53.1W unreliable until further notice
    Western North Atlantic · Massachusetts
  22. HYDROLANT 2548/182018-08-09 → 2018-10-30
    Punta jandia light 28-03.9N 014-30.4W unlit
    Eastern North Atlantic · Canary Islands
  23. HYDROLANT 2513/182018-08-04 → 2018-08-04
    Cgoc shetland mf r/t at collafirth hill 60-32N 001-23W unreliable
    Eastern North Atlantic · Shetland Islands
  24. NAVAREA IV 616/182018-08-03 → 2018-08-04
    Sitor and NAVTEX off air at uscg remote communication facilities: a. boston (f) 41-42.8N 070-30.3W
    Western North Atlantic · Gulf of Mexico
  25. HYDROLANT 2276/182018-07-13 → 2018-07-16
    Flannan isles light 58-17.3N 007-35.4W unreliable
    Eastern North Atlantic · Scotland
  26. NAVAREA IV 540/182018-07-07 → 2018-07-09
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W off air
    Western North Atlantic · Virginia
  27. HYDROLANT 2180/182018-07-05 → 2018-07-06
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  28. HYDROLANT 2178/182018-07-05 → 2018-07-05
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  29. NAVAREA IV 512/182018-06-28 → 2018-06-28
    NAVTEX station charleston (e) 32-50.7N 079-57.0W unable to transmit
    Western North Atlantic · South Carolina
  30. NAVAREA IV 474/182018-06-14 → 2018-07-11
    Uscg remote communication facility boston (f) 41-42N 070-30W dsc receive services off air
    Western North Atlantic · Massachusetts
  31. HYDROLANT 1756/182018-06-04 → 2018-06-07
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  32. HYDROLANT 1693/182018-05-30 → 2018-05-31
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  33. HYDROLANT 1644/182018-05-25 → 2018-11-21
    Cabo orange light 04-26.0N 051-32.2W unlit until 20 nov
    Western North Atlantic · Brazil-north Coast
  34. HYDROLANT 1643/182018-05-25 → 2018-11-21
    Ponta do ceu light 00-45.6N 050-07.0W unlit until 20 nov
    Western North Atlantic · Brazil-north Coast
  35. HYDROLANT 1642/182018-05-25 → 2018-11-25
    RACON at ilha do para light 00-52.8N 049-59.2W inoperative until 24 nov
    Western North Atlantic · Brazil-north Coast
  36. HYDROLANT 1641/182018-05-25 → 2018-11-25
    Ilha do para light 00-52.8N 049-59.2W unlit until 24 nov
    Western North Atlantic · Brazil-north Coast
  37. HYDROLANT 1640/182018-05-25 → 2018-11-25
    Bailique light 00-59.4N 049-56.8W unlit until 24 nov
    Western North Atlantic · Brazil-north Coast
  38. HYDROLANT 1633/182018-05-24 → 2018-05-27
    Ve skerries light 60-22.4N 001-48.8W RACON inoperative
    Eastern North Atlantic · Shetland Islands
  39. HYDROLANT 1604/182018-05-22 → 2018-07-11
    Cap spartel lighthouse 35-47.5N 005-55.4W unlit
    Eastern North Atlantic · Strait of Gibraltar · Morocco
  40. HYDROLANT 1603/182018-05-22 → 2018-07-11
    Pointe de la tour light in 32-19.8N 009-16.7W unlit
    Eastern North Atlantic · Morocco
  41. HYDROLANT 1593/182018-05-21 → 2018-05-29
    Cancel this msg 18 oct 18
    Western North Atlantic · Brazil-north Coast
  42. HYDROLANT 1456/182018-05-09 → 2018-09-07
    Cap vert light 14-43.4N 017-30.2W unlit
    Eastern North Atlantic · Senegal
  43. NAVAREA IV 335/182018-04-24 → 2018-05-29
    Uscg remote communication facility chesapeake (n) 36-43.7N 076-00.6W broadcast services off air
    Western North Atlantic · Virginia
  44. NAVAREA IV 311/182018-04-16 → 2018-04-20
    Odas buoy established in 42-48-32N 060-21-07W
    Western North Atlantic · Canada
  45. HYDROLANT 1129/182018-04-06 → 2018-04-07
    RACON at gruney island light 60-39.2N 001-18.2W inoperative
    Eastern North Atlantic · Shetland Island
  46. NAVAREA IV 277/182018-04-03 → 2018-09-07
    La desirade light 16-20.0N 061-00.3W unlit
    Eastern Caribbean Sea · Guadeloupe
  47. NAVAREA IV 212/182018-03-13 → 2018-03-13
    Uscg remote communication facility boston (f) 41-42.8N 070-30.3W hf dsc communication services off air
    Western North Atlantic · Massachusetts
  48. NAVAREA IV 196/182018-03-07 → 2018-03-08
    Uscg remote communication facility boston (f) 41-42.8N 070-30.3W hf dsc communication services off air
    Wastern North Atlantic · Massachusetts
  49. HYDROLANT 710/182018-03-01 → 2018-03-08
    NAVTEX station las palmas (I) 28-26.0N 016-20.2W off air
    Eastern North Atlantic · Canary Islands
  50. HYDROLANT 527/182018-02-13 → 2018-02-25
    Mrcc delgaga 37-44N 025-40W hf/mf dsc services off air
    North Atlantic · Azores

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 10 · seahazards