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. HYDROLANT 1134/092009-06-19 → 2009-06-20
    Nga chart 35071 (1ST ed)
  2. HYDROLANT 1044/092009-06-06 → 2009-06-07
    Esha ness light 60-29.3N 001-37.6W unreliable
  3. HYDROLANT 969/092009-05-26 → 2009-08-03
    Nga chart 103 (5TH ed)
  4. NAVAREA IV 196/092009-05-26 → 2009-05-26
    Nga chart 25640 (42ND ed)
  5. NAVAREA IV 188/092009-05-20 → 2009-05-20
    Nga chart 25640 (42ND ed)
  6. HYDROLANT 869/092009-05-11 → 2009-05-13
    Nga chart 35001 (1ST ed)
  7. HYDROLANT 747/092009-04-21 → 2009-04-23
    Esha ness light 60-29.3N 001-37.6W unreliable
  8. HYDROLANT 547/092009-03-19 → 2009-03-20
    Nga chart 35001 (1ST ed)
  9. NAVAREA IV 70/092009-02-28 → 2010-12-22
    Nga chart 24350 (2ND ed)
  10. HYDROLANT 413/092009-02-28 → 2010-12-22
    Nga chart 24350 (2ND ed)
  11. NAVAREA IV 68/092009-02-26 → 2009-02-26
    Nga chart 25640 (42ND ed)
  12. HYDROLANT 402/092009-02-25 → 2009-02-26
    Tor ness light 58-46.7N 003-17.6W unlit
  13. HYDROLANT 391/092009-02-25 → 2009-02-25
    Tor ness light 58-46.7N 003-17.6W unreliable
  14. HYDROLANT 306/092009-02-13 → 2009-02-13
    Nga chart 35072 (1ST ed)
  15. NAVAREA IV 37/092009-02-11 → 2009-02-11
    Nga chart 25640 (42ND ed)
  16. NAVAREA IV 21/092009-01-29 → 2009-01-29
    Nga chart 25640 (42ND ed)
  17. NAVAREA IV 20/092009-01-24 → 2009-01-27
    Nga chart 25640 (42ND ed)
  18. NAVAREA IV 17/092009-01-21 → 2009-01-21
    Nga chart 25640 (42ND ed)
  19. HYDROLANT 96/092009-01-17 → 2009-01-18
    Nga chart 35069 (1ST ed)
  20. NAVAREA IV 12/092009-01-16 → 2009-01-16
    Nga chart 25640 (42ND ed)
  21. NAVAREA IV 7/092009-01-13 → 2009-01-16
    Nga chart 25640 (42ND ed)
  22. HYDROLANT 2145/082008-12-13 → 2008-12-13
    Dsc station collafirth hill 60-32N 001-23W inoperative
  23. HYDROLANT 2109/082008-12-07 → 2008-12-08
    Nga chart 35071 (1ST ed)
  24. NAVAREA IV 484/082008-11-21 → 2008-11-25
    Nga chart 25640 (42ND ed)
  25. NAVAREA IV 483/082008-11-20 → 2008-11-24
    Nga chart 25640 (42ND ed)
  26. NAVAREA IV 482/082008-11-19 → 2008-11-23
    Nga chart 25640 (42ND ed)
  27. NAVAREA IV 481/082008-11-18 → 2008-11-22
    Nga chart 25640 (42ND ed)
  28. NAVAREA IV 476/082008-11-16 → 2008-11-16
    Nga chart 25640 (42ND ed)
  29. NAVAREA IV 468/082008-11-12 → 2008-11-15
    Nga chart 25640 (42ND ed)
  30. NAVAREA IV 465/082008-11-11 → 2008-11-14
    Nga chart 25640 (42ND ed)
  31. NAVAREA IV 462/082008-11-09 → 2008-11-13
    Nga chart 25640 (42ND ed)
  32. NAVAREA IV 460/082008-11-09 → 2008-11-12
    Nga chart 25640 (42ND ed)
  33. NAVAREA IV 459/082008-11-08 → 2008-11-12
    Nga chart 25640 (42ND ed)
  34. NAVAREA IV 457/082008-11-07 → 2008-11-11
    Nga chart 25640 (42ND ed)
  35. NAVAREA IV 454/082008-11-05 → 2008-11-09
    Nga chart 25640 (42ND ed)
  36. NAVAREA IV 448/082008-11-01 → 2008-11-05
    Nga chart 25640 (42ND ed)
  37. HYDROLANT 1795/082008-10-26 → 2008-10-26
    Dsc station fitful head 59-54N 001-23W inoperative
  38. HYDROLANT 1788/082008-10-25 → 2008-10-25
    Dsc station fitful head 59-54N 001-23W unreliable
  39. NAVAREA IV 421/082008-10-18 → 2008-10-19
    Nga chart 11420 (28TH ed)
  40. NAVAREA IV 411/082008-10-10 → 2008-10-11
    Nga chart 25640 (42ND ed)
  41. HYDROLANT 1656/082008-10-07 → 2008-10-08
    Nga chart 35073 (2ND ed)
  42. HYDROLANT 1605/082008-09-29 → 2008-10-02
    Nga chart 35073 (2ND ed)
  43. HYDROLANT 1587/082008-09-27 → 2008-09-29
    Nga chart 35072 (1ST ed)
  44. NAVAREA IV 382/082008-09-18 → 2008-09-19
    Nga chart 25640 (42ND ed)
  45. NAVAREA IV 364/082008-09-11 → 2008-09-11
    Nga chart 11420 (28TH ed)
  46. NAVAREA IV 360/082008-09-09 → 2008-09-09
    Nga chart 25640 (42ND ed)
  47. NAVAREA IV 359/082008-09-09 → 2008-09-10
    Nga chart 11442 (35TH ed)
  48. NAVAREA IV 333/082008-08-26 → 2008-08-28
    Nga chart 25640 (25TH ed)
  49. HYDROLANT 1344/082008-08-17 → 2008-08-18
    Nga chart 35072 (1ST ed)
  50. HYDROLANT 1262/082008-08-02 → 2009-07-11
    Nga chart 35104 (2ND 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 22 · seahazards