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 522/102010-12-31 → 2010-12-31
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  2. NAVAREA IV 516/102010-12-23 → 2010-12-23
    Nos chart 25640 (25TH ed)
    Puerto Rico
  3. NAVAREA IV 512/102010-12-17 → 2010-12-17
    Nos chart 25640 (25TH ed)
    Puerto Rico
  4. NAVAREA IV 507/102010-12-15 → 2010-12-31
    Nos chart 12300 (46TH ed)
    Western North Atlantic
  5. HYDROLANT 2370/102010-12-08 → 2010-12-11
    Nga chart 35001 (2ND ed)
    Scotland-north Coast
  6. NAVAREA IV 490/102010-12-06 → 2010-12-11
    Nos chart 25640 (25TH ed)
    Puerto Rico
  7. NAVAREA IV 488/102010-12-03 → 2010-12-10
    GPS satellite system
    United States-southeast Coast
  8. HYDROLANT 2327/102010-12-03 → 2010-12-09
    Nga chart 51240 (2ND ed)
    Eastern North Atlantic · Morocco
  9. HYDROLANT 2305/102010-12-01 → 2010-12-02
    Nga chart 51220 (8TH ed)
  10. HYDROLANT 2174/102010-11-16 → 2010-11-16
    Ben tongue dsc station 58-30N 004-24W off air
    Scotland-north Coast · Radio Services
  11. NAVAREA IV 467/102010-11-16 → 2010-11-19
    Nos chart 11420 (28TH ed)
    Florida-south Coast
  12. NAVAREA IV 461/102010-11-09 → 2010-11-12
    Nga chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  13. HYDROLANT 2124/102010-11-07 → 2010-11-08
    Nga chart 35001 (2ND ed)
    Orkney Islands
  14. HYDROLANT 2090/102010-11-02 → 2010-11-03
    Dsc stations off air: a. saxavord 60-52N 000-47W
    Shetland Islands · Radio Services
  15. NAVAREA IV 453/102010-11-02 → 2010-11-03
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  16. NAVAREA IV 451/102010-10-31 → 2010-11-01
    Nos chart 25640 (25TH ed)
    Puerto Rico
  17. NAVAREA IV 445/102010-10-28 → 2010-10-29
    Nos chart 11420 (28TH ed)
    Florida-south Coast
  18. NAVAREA IV 427/102010-10-10 → 2010-11-13
    Nga chart 38100 (4TH ed)
    Greenland-east Coast
  19. NAVAREA IV 423/102010-10-07 → 2010-10-09
    Nos chart 11420 (28TH ed)
    Florida-south Coast
  20. NAVAREA IV 416/102010-10-06 → 2010-10-07
    Nos chart 25640 (25TH ed)
    Puerto Rico
  21. NAVAREA IV 407/102010-09-29 → 2010-10-05
    Nos chart 25640 (42ND ed)
    Puerto Rico
  22. HYDROLANT 1794/102010-09-22 → 2010-09-24
    Nga chart 35001 (2ND ed)
    Scotland-north Coast
  23. NAVAREA IV 396/102010-09-21 → 2010-09-25
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  24. NAVAREA IV 393/102010-09-18 → 2010-10-09
    Nga chart 38100 (4TH ed)
    Greenland-east Coast
  25. HYDROLANT 1764/102010-09-18 → 2010-10-05
    Nga chart 24020 (47TH ed)
    Brazil-north Coast
  26. NAVAREA IV 386/102010-09-17 → 2010-09-17
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  27. HYDROLANT 1747/102010-09-16 → 2010-09-16
    Dsc station forsnaval 58-13N 007-00W inoperative
    Scotland-west Coast · Radio Services
  28. HYDROLANT 1743/102010-09-15 → 2010-09-18
    Nga chart 35001 (2ND ed)
    Orkney Islands
  29. HYDROLANT 1650/102010-09-01 → 2010-09-01
    Nga chart 35073 (2ND ed)
    Scotland-north Coast
  30. HYDROLANT 1647/102010-09-01 → 2010-09-02
    Nga chart 35073 (2ND ed)
    Scotland-north Coast
  31. HYDROLANT 1583/102010-08-21 → 2010-08-23
    Nga chart 35001 (2ND ed)
    Scotland-north Coast
  32. HYDROLANT 1578/102010-08-21 → 2010-08-21
    Nga chart 35066 (1ST ed)
    Shetland Islands
  33. NAVAREA IV 352/102010-08-16 → 2010-08-16
    Nos chart 11420 (28TH ed)
    Florida-south Coast
  34. HYDROLANT 1543/102010-08-16 → 2010-08-16
    Nga chart 35001 (2ND ed)
    Orkney Islands
  35. NAVAREA IV 325/102010-07-30 → 2010-08-06
    Nga chart 25640 (42ND ed)
    Puerto Rico
  36. HYDROLANT 1456/102010-07-29 → 2010-12-20
    Nga chart 51320 (3RD ed)
    Eastern North Atlantic · Morocco
  37. NAVAREA IV 309/102010-07-21 → 2010-07-28
    Nga chart 25640 (42ND ed)
    Puerto Rico
  38. HYDROLANT 1363/102010-07-17 → 2010-07-18
    Nga chart 35001 (2ND ed)
    Orkney Islands
  39. HYDROLANT 1312/102010-07-11 → 2010-07-11
    Nga chart 35075 (2ND ed)
    Scotland-west Coast
  40. NAVAREA IV 301/102010-07-10 → 2010-07-20
    GPS satellite system
    Western North Atlantic · Florida-east Coast
  41. HYDROLANT 1304/102010-07-09 → 2010-07-28
    Nga chart 51100 (7TH ed)
  42. HYDROLANT 1284/102010-07-07 → 2010-07-07
    Nga chart 35075 (2ND ed)
    Scotland-west Coast
  43. HYDROLANT 1268/102010-07-05 → 2010-07-08
    Nga chart 51220 (8TH ed)
  44. NAVAREA IV 288/102010-07-01 → 2010-07-01
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  45. NAVAREA IV 280/102010-06-28 → 2010-06-28
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  46. NAVAREA IV 271/102010-06-24 → 2010-06-24
    Nos chart 25640 (42ND ed)
    Puerto Rico
  47. NAVAREA IV 268/102010-06-21 → 2010-06-24
    Nos chart 25640 (42ND ed)
    Puerto Rico
  48. HYDROLANT 1129/102010-06-17 → 2010-06-17
    Ben tongue dsc station 58-29.7N 004-23.6W off air
    Scotland-north Coast · Radio Services
  49. HYDROLANT 1125/102010-06-17 → 2010-06-17
    Nga chart 35001 (2ND ed)
    Scotland-north Coast
  50. HYDROLANT 1067/102010-06-09 → 2010-06-16
    Nga chart 51380 (5TH ed)
    Eastern North Atlantic · Morocco

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 20 · seahazards