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 254/102010-06-08 → 2010-06-09
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  2. NAVAREA IV 252/102010-06-07 → 2010-06-07
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  3. HYDROLANT 1033/102010-06-05 → 2010-06-05
    Nga chart 35001 (1ST ed)
    Orkney Islands
  4. HYDROLANT 1032/102010-06-05 → 2010-06-08
    Nga chart 35001 (2ND ed)
    Scotland-north Coast
  5. NAVAREA IV 239/102010-06-01 → 2010-06-02
    Nos chart 11420 (28TH ed)
    Florida-south Coast
  6. HYDROLANT 996/102010-06-01 → 2012-08-04
    Nga chart 107 (int 216) (3RD ed)
    North Atlantic · Brazil
  7. HYDROLANT 929/102010-05-23 → 2010-05-25
    Nga chart 35017 (2ND ed)
    Scotland-west Coast · Hebrides
  8. HYDROLANT 785/102010-05-04 → 2010-05-05
    Nga chart 35001 (2ND ed)
    Orkney Islands
  9. HYDROLANT 778/102010-05-04 → 2010-05-07
    Nga chart 35075 (2ND ed)
    Scotland-west Coast
  10. NAVAREA IV 153/102010-04-23 → 2010-04-24
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  11. HYDROLANT 647/102010-04-14 → 2010-04-15
    Nga chart 35057 (1ST ed)
    Orkney Islands
  12. HYDROLANT 642/102010-04-14 → 2011-06-20
    Nga chart 35172 (2ND ed)
    Scotland-north Coast
  13. NAVAREA IV 141/102010-04-11 → 2010-04-13
    Nos chart 25640 (42ND ed)
    Puerto Rico
  14. HYDROLANT 554/102010-03-31 → 2010-04-01
    Dsc station ben tongue 58-30N 004-24W off air
    Scotland · Radio Services
  15. HYDROLANT 449/102010-03-15 → 2010-03-16
    Tor ness light 58-46.7N 003-17.6W unreliable
    Orkney Islands
  16. NAVAREA IV 94/102010-02-28 → 2010-03-01
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  17. HYDROLANT 367/102010-02-27 → 2010-03-02
    Nga chart 35066 (1ST ed)
    Shetland Islands
  18. NAVAREA IV 81/102010-02-22 → 2010-02-24
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  19. HYDROLANT 317/102010-02-19 → 2010-02-26
    Nga chart 35071 (1ST ed)
    Scotland · Shetland Islands
  20. NAVAREA IV 42/102010-01-27 → 2010-01-27
    Nos chart 25640 (42ND ed)
    Puerto Rico-northwest Coast
  21. HYDROLANT 2525/092009-12-29 → 2010-02-15
    Nga chart 51240 (2ND ed)
  22. NAVAREA IV 550/092009-12-24 → 2009-12-25
    Nos chart 25640 (42ND ed)
  23. NAVAREA IV 546/092009-12-19 → 2009-12-23
    Nos chart 25640 (42ND ed)
  24. HYDROLANT 2466/092009-12-19 → 2009-12-20
    Nga chart 35066 (1ST ed)
  25. HYDROLANT 2230/092009-11-17 → 2009-11-18
    Nga chart 35066 (1ST ed)
  26. NAVAREA IV 505/092009-11-17 → 2009-11-17
    Nos chart 25640 (42ND ed)
  27. HYDROLANT 2224/092009-11-16 → 2009-11-17
    Nga chart 35066 (1ST ed)
  28. NAVAREA IV 502/092009-11-16 → 2009-11-16
    Nos chart 25640 (42ND ed)
  29. HYDROLANT 2191/092009-11-11 → 2009-11-12
    Nga chart 35057 (1ST ed)
  30. NAVAREA IV 438/092009-10-16 → 2009-10-19
    Nos chart 25640 (42ND ed)
  31. HYDROLANT 1990/092009-10-14 → 2009-10-15
    Nga chart 35072 (1ST ed)
  32. NAVAREA IV 431/092009-10-10 → 2009-10-11
    Nos chart 11420 (28TH ed)
  33. HYDROLANT 1923/092009-10-05 → 2009-10-08
    Dsc station forsnaval 58-13N 007-00W inoperative
  34. NAVAREA IV 421/092009-10-05 → 2009-10-05
    Nos chart 25640 (42ND ed)
  35. NAVAREA IV 414/092009-10-02 → 2009-10-02
    Nga chart 25640 (42ND ed)
  36. NAVAREA IV 411/092009-09-30 → 2009-09-30
    Nos chart 25640 (42ND ed)
  37. NAVAREA IV 408/092009-09-29 → 2009-09-29
    Nos chart 25640 (42ND ed)
  38. NAVAREA IV 407/092009-09-28 → 2009-09-29
    Nos chart 25640 (42ND ed)
  39. NAVAREA IV 405/092009-09-26 → 2009-09-28
    Nos chart 25640 (42ND ed)
  40. NAVAREA IV 399/092009-09-24 → 2009-09-26
    Nga chart 25640 (42ND ed)
  41. NAVAREA IV 385/092009-09-15 → 2009-09-18
    Nos chart 25640 (42ND ed)
  42. NAVAREA IV 380/092009-09-14 → 2009-09-15
    Nos chart 25640 (42ND ed)
  43. NAVAREA IV 363/092009-09-08 → 2009-09-14
    Nos chart 25640 (42ND ed)
  44. NAVAREA IV 361/092009-09-06 → 2009-09-07
    Nos chart 25640 (42ND ed)
  45. NAVAREA IV 351/092009-09-02 → 2009-09-03
    Nos chart 25640 (42ND ed)
  46. NAVAREA IV 333/092009-08-25 → 2009-08-26
    Nos chart 11420 (28TH ed)
  47. NAVAREA IV 311/092009-08-18 → 2009-08-18
    Nga chart 25640 (42ND ed)
  48. NAVAREA IV 289/092009-08-03 → 2009-09-19
    Nga chart 27040 (5TH ed)
  49. HYDROLANT 1304/092009-07-13 → 2009-07-17
    Nga chart 35056 (1ST ed)
  50. NAVAREA IV 251/092009-06-30 → 2009-07-01
    Nga chart 25640 (42ND ed)

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 21 · seahazards