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 298/042004-09-06 → 2004-10-06
    Cape canaveral dgps station 28-27.6N 080-32.6W off air
  2. NAVAREA IV 297/042004-09-06 → 2004-09-06
    Cape canaveral dgps station 28-27.6N 080-32.6W at reduced power
  3. HYDROLANT 1409/042004-08-25 → 2004-08-27
    Sule skerry light 59-05N 004-24W unreliable
  4. HYDROLANT 1374/042004-08-18 → 2004-08-19
    Esha ness light 60-29.3N 001-37.7W unreliable
  5. HYDROLANT 1291/042004-08-04 → 2004-08-04
    Foula island south ness light 60-06.8N 002-03.7W unreliable
  6. NAVAREA IV 227/042004-06-28 → 2004-06-29
    Cape canaveral light 28-27.6N 080-32.6W unlit
  7. NAVAREA IV 223/042004-06-25 → 2004-06-28
    Savannah dgps station 32-08N 081-42W off air 281400Z to 281600Z jun
  8. NAVAREA IV 216/042004-06-23 → 2004-06-23
    Tybee light 32-01.3N 080-50.7W unlit
  9. NAVAREA IV 211/042004-06-21 → 2004-06-25
    Savannah dgps station 32-08N 081-42W off air until further notice
  10. NAVAREA IV 210/042004-06-21 → 2004-06-22
    Kensington dgps station 33-28.86N 079-20.58W off air 221400Z to 221600Z jun
  11. HYDROLANT 1019/042004-06-15 → 2004-11-10
    Ponta do ceu light 00-45.9N 050-05.7W inoperative
  12. NAVAREA IV 194/042004-06-10 → 2004-06-20
    GPS unreliable 111500Z to 111800Z, 131200Z to 131600Z, 141800Z to 142100Z, 171300Z to 171700Z, 182100Z to…
  13. NAVAREA IV 191/042004-06-07 → 2004-06-14
    Buoy "lb a", fl 2.5 sec, temporarily established in 31-15.4N 081-11.6W
  14. NAVAREA IV 189/042004-06-07 → 2004-06-17
    GPS unreliable 111500Z to 111800Z, 131200Z to 131600Z, 141800Z to 142100Z, 171300Z to 171700Z, 182100Z to…
  15. NAVAREA IV 188/042004-06-06 → 2004-06-20
    GPS unreliable 111500Z to 111800Z, 131200Z to 131600Z, 141800Z to 142100Z, 171300Z to 171700Z, 182100Z to…
  16. HYDROLANT 952/042004-06-02 → 2004-08-22
    Ve skerries light 60-22.4N 001-48.7W range temporarily reduced to five miles and RACON unreliable
  17. NAVAREA IV 179/042004-05-28 → 2004-06-17
    Charleston light 32-45.5N 079-50.6W unlit
  18. HYDROLANT 920/042004-05-28 → 2004-05-28
    Tor ness light 58-46.7N 003-17.6W unreliable
  19. NAVAREA IV 170/042004-05-19 → 2004-05-20
    Savannah dgps station 32-08N 081-42W off air 201400Z to 201600Z may
  20. HYDROLANT 850/042004-05-18 → 2005-01-19
    AM-1 lightship 01-34N 049-01W temporarily removed
  21. NAVAREA IV 164/042004-05-14 → 2004-05-17
    Savannah dgps station 32-08N 081-42W off air 171400Z to 171600Z may
  22. NAVAREA IV 161/042004-05-13 → 2004-05-14
    Cape canaveral dgps station 28-27.6N 080-32.6W off air 141400Z to 141600Z may
  23. HYDROLANT 805/042004-05-11 → 2004-09-18
    Dgps station at canivete radiobeacon 00-30.6N 050-24.9W inoperative
  24. HYDROLANT 770/042004-05-06 → 2004-05-06
    Dgps station at loop head light 52-34N 009-56W off air 061000Z to 061500Z may
  25. HYDROLANT 764/042004-05-05 → 2004-05-05
    Dgps station at loop head light 52-34N 009-56W off air until 051500Z may
  26. HYDROLANT 739/042004-05-01 → 2004-05-18
    AM-1 lightship 01-34N 049-01W missing
  27. NAVAREA IV 128/042004-04-19 → 2005-05-02
    Buoy "2", fl r 4 sec, established in 19-47-43.2N 072-11-15.9W
  28. NAVAREA IV 120/042004-04-12 → 2004-04-12
    Cape canaveral dgps station 28-27.6N 080-32.6W at reduced power
  29. NAVAREA IV 119/042004-04-12 → 2004-04-15
    Charleston light 32-45.5N 079-50.6W unlit
  30. NAVAREA IV 97/042004-03-26 → 2004-03-26
    Amelia island light 30-40N 081-26W unlit
  31. NAVAREA IV 84/042004-03-16 → 2004-04-03
    Odas buoy 41012, fl (4) y 20 sec, established in 32-02.6N 080-33.0W
  32. NAVAREA IV 74/042004-03-05 → 2004-03-13
    Cape canaveral light 28-27.6N 080-32.6W unreliable
  33. NAVAREA IV 62/042004-02-24 → 2004-02-25
    Cape canaveral dgps station 28-27.6N 080-32.6W at reduced power
  34. NAVAREA IV 55/042004-02-20 → 2004-03-17
    GPS unreliable 1600Z to 2000Z daily 22 feb thru 16 mar and 0001Z to 0400Z daily 23 feb thru 17 mar within 40…
  35. NAVAREA IV 29/042004-01-26 → 2004-02-04
    Amelia island light 30-40-24N 081-26-30W changed to: fl w 6 sec 9 miles until 040400Z feb
  36. HYDROLANT 108/042004-01-20 → 2004-01-21
    Sule skerry light 59-05N 004-24W unlit
  37. NAVAREA IV 12/042004-01-14 → 2004-01-15
    St
  38. NAVAREA IV 503/032003-12-25 → 2004-01-09
    Ponce de leon inlet light 29-05N 080-56W unlit
  39. HYDROLANT 2352/032003-12-18 → 2003-12-19
    Foula island south ness light 60-06.8N 002-03.7W unreliable
  40. HYDROLANT 2341/032003-12-16 → 2003-12-18
    RACON at sule skerry light 59-05N 004-24W inoperative
  41. HYDROLANT 2328/032003-12-15 → 2003-12-16
    Tor ness light 58-47N 003-18W unlit
  42. NAVAREA IV 478/032003-12-10 → 2003-12-11
    Cape canaveral dgps station 28-27.6N 080-32.6W at reduced power
  43. HYDROLANT 2297/032003-12-10 → 2004-09-18
    RACON at ilha do para light 00-52.8N 049-59.3W inoperative
  44. HYDROLANT 2290/032003-12-09 → 2003-12-12
    Monach isles light 57-32N 007-42W unreliable
  45. NAVAREA IV 475/032003-12-08 → 2003-12-09
    Savannah dgps station 32-08N 081-42W off air 091400Z to 091600Z dec
  46. NAVAREA IV 464/032003-12-02 → 2003-12-03
    Kensington dgps station 33-28.8N 079-20.4W off air 031400Z to 031600Z dec
  47. HYDROLANT 2237/032003-11-30 → 2003-11-30
    Rona light 59-07N 005-49W unreliable
  48. NAVAREA IV 455/032003-11-28 → 2003-12-11
    Cape canaveral light 28-27.6N 080-32.6W unlit
  49. NAVAREA IV 450/032003-11-21 → 2003-12-18
    GPS jamming exercises 1600Z to 2000Z daily 22 thru 30 nov and 0001Z to 0400Z daily 02 thru 18 dec within 70…
  50. HYDROLANT 2151/032003-11-16 → 2003-11-20
    Dgps station at canivete radiobeacon 00-30.6N 050-24.9W at reduced power 152100Z to 202100Z nov

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 25 · seahazards