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 743/991999-04-16 → 1999-04-16
    Monarch islands light 57-32N 007-42W unreliable
  2. HYDROLANT 728/991999-04-15 → 1999-06-04
    Calcoene light 02-30.4N 050-48.4W unlit
  3. HYDROLANT 716/991999-04-13 → 1999-04-15
    Rona light 59-07N 005-49W unreliable
  4. NAVAREA IV 96/991999-04-06 → 1999-08-20
    Mooring buoys (5) in vicinity 25-48.6N 078-02.2W unlit
  5. HYDROLANT 613/991999-03-30 → 1999-03-30
    Dgps service at loop head light 52-34N 009-56W unreliable 300900Z to 301300Z mar
  6. HYDROLANT 514/991999-03-16 → 1999-03-17
    Dgps service at tory island light 55-16N 008-15W unreliable 0900Z to 1800Z daily 16 and 17 mar
  7. HYDROLANT 500/991999-03-12 → 1999-03-13
    Dgps service at loop head light 52-34N 009-56W unreliable 130900Z to 131800Z mar
  8. HYDROLANT 494/991999-03-12 → 1999-03-12
    Dgps service at loop head light 52-34N 009-56W unreliable 0900Z to 1300Z daily 12 and 13 mar
  9. HYDROLANT 468/991999-03-08 → 1999-03-09
    Bull rock light 51-36N 010-18W unreliable
  10. HYDROLANT 443/991999-03-04 → 1999-03-06
    North rona light 59-07N 005-49W unreliable
  11. HYDROLANT 438/991999-03-04 → 1999-03-04
    Dgps service at loop head light 52-34N 009-56W inoperative
  12. HYDROLANT 430/991999-03-02 → 1999-03-03
    North rona light 59-07N 005-49W unreliable
  13. HYDROLANT 427/991999-03-01 → 1999-05-12
    Whale rock buoy 57-55N 008-01W missing
  14. HYDROLANT 301/991999-02-09 → 1999-02-09
    Dgps service at loop head light 52-34N 009-56W unreliable until 101800Z feb
  15. HYDROLANT 246/991999-02-03 → 1999-02-03
    Dgps service at butt of lewis light 58-31N 006-16W off air 031200Z to 031600Z feb
  16. HYDROLANT 232/991999-02-02 → 1999-02-03
    Slyne light 53-24N 010-14W unreliable
  17. HYDROLANT 211/991999-01-31 → 1999-02-05
    Straw island light 53-07N 009-38W unreliable
  18. HYDROLANT 100/991999-01-16 → 1999-01-16
    Gasker light 57-59N 007-17W unreliable
  19. HYDROLANT 97/991999-01-15 → 1999-01-21
    Fog signal at cape wrath light 58-38N 005-00W unreliable
  20. HYDROLANT 94/991999-01-15 → 1999-01-15
    Cape wrath light 58-38N 005-00W unreliable
  21. HYDROLANT 19/991999-01-05 → 1999-01-09
    Wheat rock buoy 54-19N 008-39W unlit
  22. NAVAREA IV 4/991999-01-04 → 1999-05-21
    Cay lobos light 22-23N 077-36W unlit
  23. HYDROLANT 2497/981998-12-31 → 1999-01-01
    Straw island light 53-07N 009-38W unreliable
  24. HYDROLANT 1780/981998-09-17 → 1999-03-22
    Flannan isle light 58-17N 007-35W range temporarily reduced to ten miles
  25. NAVAREA IV 205/981998-06-28 → 1999-02-12
    Navy tower (R4) light 30-48.1N 080-19.0W unlit
  26. HYDROLANT 605/981998-04-02 → 1999-03-13
    Haskeir light 57-42N 007-41W unreliable
  27. HYDROLANT 519/981998-03-22 → 1999-02-12
    Amazon river northern approach buoy 01-09.6N 049-33.3W off station
  28. NAVAREA IV 909/961996-11-28 → 1999-03-13
    Savannah light 31-57N 080-41W destroyed

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 30 · seahazards