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. NAVAREA IV 873/192019-10-07 → 2019-10-08
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W unreliable
    Western North Atlantic · Virginia
  2. HYDROLANT 3047/192019-10-07 → 2019-10-13
    RACON at haskeir island light 57-42.0N 007-41.3W inoperative
    Eastern North Atlantic · Scotland
  3. HYDROLANT 2899/192019-09-23 → 2019-09-29
    GPS jamming exercises 1000Z to 1900Z daily 23 thru 29 sep in area within 90 miles of 57-30N 010-45W
    Eastern North Atlantic · Scotland
  4. NAVAREA IV 830/192019-09-20 → 2019-10-16
    NAVTEX station puerto rico (r) 18-28.0N 067-04.3W inoperative
    Western North Atlantic · Caribbean Sea · Puerto Rico
  5. NAVAREA IV 809/192019-09-12 → 2019-09-16
    Cayo paredon grande light 22-29.0N 078-09.9W, unlit
    Western North Atlantic · Old Bahama Channel · Cuba
  6. NAVAREA IV 784/192019-09-07 → 2019-10-24
    Punta barima light 08-35.1N 060-25.0W unlit
    Western North Atlantic · Venezuela
  7. NAVAREA IV 781/192019-09-06 → 2019-09-08
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W off air
    Western North Atlantic · Virginia
  8. NAVAREA IV 774/192019-09-05 → 2019-09-08
    NAVTEX station charleston (e) 32-50.7N 079-57.0W off air
    Western North Atlantic · South Carolina
  9. NAVAREA IV 729/192019-08-21 → 2019-08-22
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W inoperative
    Western North Atlantic · Virginia
  10. HYDROLANT 2438/192019-08-10 → 2021-11-17
    Cap rhir light 30-38.0N 009-52.9W unreliable
    Eastern North Atlantic · Morocco
  11. HYDROLANT 2432/192019-08-09 → 2019-08-09
    Dgps station at tory island light 55-16.4N 008-14.9W unreliable 1000Z to 1600Z daily 08 and 09 aug
    Eastern North Atlantic · Sea of the Hebrides · Ireland
  12. NAVAREA IV 680/192019-08-04 → 2019-08-07
    NAVTEX station puerto rico (r) 18-28.0N 067-04.3W inoperable
    Western North Atlantic · Caribbean Sea · Puerto Rico
  13. HYDROLANT 2367/192019-08-02 → 2019-08-03
    Cape wrath light 58-37.5N 005-00.0W unlit
    Eastern North Atlantic · North Minch · Scotland
  14. NAVAREA IV 670/192019-08-01 → 2019-08-01
    NAVTEX, sitor, and vobra off air at uscg remote communication facilities: a. boston (f) 41-42.8N 070-30.3W
  15. HYDROLANT 2341/192019-07-31 → 2019-08-03
    Brough head light 59-08.2N 003-20.3W unlit
    Eastern North Atlantic · Orkney Islands
  16. HYDROLANT 2186/192019-07-19 → 2019-07-22
    Gasker island light 57-59.1N 007-17.2W unlit
    Eastern North Atlantic · Scotland
  17. HYDROLANT 2146/192019-07-15 → 2019-10-04
    K4 odas buoy relocated to 55-16.3N 012-47.4W
    Eastern North Atlantic
  18. HYDROLANT 2011/192019-07-03 → 2019-08-21
    Penedos de sao pedro e sao paulo light 00-55.2N 029-20.6W unlit until 30 dec
    North Atlantic · Brazil
  19. NAVAREA IV 549/192019-06-27 → 2019-07-01
    Cayo bahia de cadiz light 23-12.3N 080-28.9W unreliable
    Western North Atlantic · Cuba
  20. HYDROLANT 1701/192019-06-03 → 2019-08-12
    NAVTEX stations off air 040800Z jun until further notice: a. coruna (d) 43-22.0N 008-27.1W
    Eastern North Atlantic · Western Mediterranean Sea
  21. HYDROLANT 1628/192019-05-28 → 2019-07-16
    Sidi bou afi light 33-15N 008-31W unlit
    Eastern North Atlantic · Morocco
  22. HYDROLANT 1586/192019-05-24 → 2019-09-06
    Cabo orange light 04-26.0N 051-32.2W unlit until 20 nov
    Western North Atlantic · Brazil-north Coast
  23. HYDROLANT 1422/192019-05-09 → 2019-05-14
    Cgoc shetland dsc services at dunnet head site 58-40.3N 003-22.6W unreliable
    Eastern North Atlantic · North Sea · Scotland
  24. HYDROLANT 1410/192019-05-08 → 2019-11-04
    Guara light 01-11.3N 049-54.0W unlit until 03 nov
    Western North Atlantic · Brazil-north Coast
  25. NAVAREA IV 382/192019-05-02 → 2019-05-02
    NAVTEX station miami (a) 25-37.4N 080-23.4W off air until 021900Z may
    Western North Atlantic · Florida
  26. NAVAREA IV 376/192019-05-01 → 2019-05-04
    NAVTEX station charleston (e) 32-50.7N 079-57.0W off air
    Western North Atlantic · South Carolina
  27. NAVAREA IV 375/192019-05-01 → 2019-06-14
    Buoy established in 31-52-36N 069-39-06W
    Western North Atlantic
  28. HYDROLANT 1199/192019-04-17 → 2019-04-18
    Sule skerry light 59-05.1N 004-24.5W unlit
    Eastern North Atlantic · Scotland
  29. HYDROLANT 1128/192019-04-10 → 2019-04-10
    Cgoc shetland dsc services at dunnet head 58-40.3N 003-22.6W unreliable
    Eastern North Atlantic · North Sea · Scotland
  30. NAVAREA IV 248/192019-03-26 → 2019-03-27
    Uscg remote communication facility boston (f) 41-42.8N 070-30.3W off air 270730Z to 270800Z mar
    Western North Atlantic · Massachusetts
  31. HYDROLANT 767/192019-03-11 → 2019-03-11
    NAVTEX station coruna (d) 43-22.0N 008-27.1W off air
    Eastern North Atlantic · Spain
  32. NAVAREA IV 135/192019-02-26 → 2019-03-06
    Uscg remote communication facility miami (a) 25-37.4N 080-23.4W hf dsc off air
    Western North Atlantic · Florida
  33. HYDROLANT 433/192019-02-08 → 2019-02-14
    Pointe d'oukacha light 33-36.9N 007-33.8W unlit
    Eastern North Atlantic · Morocco
  34. NAVAREA IV 87/192019-02-06 → 2019-02-11
    Communication services unreliable 111500Z to 111600Z feb at uscg remote communication facilities: a. boston…
    Western North Atlantic · Gulf of Mexico
  35. NAVAREA IV 77/192019-02-02 → 2019-02-02
    Uscg remote communication facility boston (f) 41-42.8N 070-30.3W dsc off air
    Western North Atlantic · Massachusetts
  36. NAVAREA IV 76/192019-02-01 → 2019-09-12
    Cayo paredon grande light 22-29N 078-09.9W, unreliable
    Western North Atlantic · Old Bahama Channel · Cuba
  37. HYDROLANT 259/192019-01-25 → 2019-01-27
    Cap spartel lighthouse 35-47.5N 005-55.4W unlit
    Eastern North Atlantic · Strait of Gibraltar · Morocco
  38. NAVAREA IV 48/192019-01-24 → 2019-09-13
    Punta balandra light 19-10.8N 069-13.9W unlit
    Western North Atlantic · Dominican Republic
  39. NAVAREA IV 47/192019-01-24 → 2019-09-13
    Rig mora, 10-10.96N 060-51.34W unlit
    Western North Atlantic · Trinidad
  40. NAVAREA IV 30/192019-01-16 → 2019-01-16
    Sitor, NAVTEX, vobra, and weather fax off air at uscg remote communication facilities: a. miami (a) 25-37.4N…
    Western North Atlantic · Gulf of Mexico
  41. HYDROLANT 109/192019-01-12 → 2019-01-15
    Rona light 59-07.3N 005-48.8W unlit
    Eastern North Atlantic · Scotland
  42. NAVAREA IV 20/192019-01-10 → 2019-09-13
    Mooring buoy, fl y 5 sec, established in 10-12.46N 060-15.09W
    Western North Atlantic · Trinidad
  43. HYDROLANT 29/192019-01-04 → 2019-01-04
    Cgoc shetland dsc at collafirth hill 60-32N 001-23W off air
    Eastern North Atlantic · Shetland Islands
  44. NAVAREA IV 1111/182018-12-29 → 2018-12-31
    Sitor, NAVTEX, vobra, and weather fax off air at uscg remote communication facilities: a. miami (a) 25-37.4N…
    Western North Atlantic · Gulf of Mexico
  45. HYDROLANT 3900/182018-12-14 → 2019-07-19
    Ile royale light 05-17.2N 052-35.5W range reduced to 17 miles
    Western North Atlantic · French Guiana
  46. HYDROLANT 3834/182018-12-10 → 2019-11-22
    Coastal station albarnaz-flores 39-31N 031-14W mf dsc inoperative
    North Atlantic · Azores
  47. NAVAREA IV 1018/182018-11-28 → 2018-12-17
    Galeota point light 10-08.3N 060-59.5W unlit
    Western North Atlantic · Trinidad
  48. NAVAREA IV 1001/182018-11-23 → 2019-06-14
    Buoy oceanca radarable delta del orinoco off station in position 08-56-24N 060-09-05W
    Western North Atlantic · Venezuela
  49. NAVAREA IV 991/182018-11-19 → 2018-11-30
    Uscg remote communication facility boston (f) 41-42.8N 070-30.3W NAVTEX off air
    Western North Atlantic · Massachusetts
  50. NAVAREA IV 925/182018-10-31 → 2018-10-31
    Uscg remote communication facility miami (a) 25-37.4N 080-23.4W dsc data and voice hf unreliable
    Western North Atlantic · Florida

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 9 · seahazards