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 431/032003-11-04 → 2003-11-21
    Cape canaveral dgps station 28-27.6N 080-32.6W at reduced power
  2. HYDROLANT 1702/032003-09-07 → 2003-09-07
    Monach islands light 57-32N 007-42W unreliable
  3. HYDROLANT 1658/032003-08-30 → 2003-08-31
    Tor ness light 58-46.7N 003-17.6W unreliable
  4. HYDROLANT 1639/032003-08-28 → 2003-08-29
    Dgps station at canivete radiobeacon 00-30.6N 050-24.9W inoperative 291200Z to 291900Z aug
  5. HYDROLANT 1630/032003-08-25 → 2003-08-26
    Sule skerry light 59-05N 004-24W unreliable
  6. NAVAREA IV 358/032003-08-24 → 2003-08-26
    Ponce de leon inlet light 29-05N 080-56W unreliable
  7. HYDROLANT 1559/032003-08-16 → 2003-08-18
    Foula island south ness light 60-06.8N 002-03.7W unreliable
  8. NAVAREA IV 333/032003-08-13 → 2003-08-13
    Ponce de leon inlet light 29-05N 080-56W unlit
  9. HYDROLANT 1495/032003-08-08 → 2003-08-08
    Dgps station at canivete radiobeacon 00-30.6N 050-24.9W inoperative 081200Z to 081900Z aug
  10. NAVAREA IV 301/032003-07-24 → 2003-07-25
    Kensington dgps station 33-28.8N 079-20.4W at reduced power
  11. HYDROLANT 1388/032003-07-19 → 2003-07-22
    Muckle flugga light 60-51.5N 000-53.0W unlit
  12. HYDROLANT 1368/032003-07-17 → 2003-07-17
    Tor ness light 58-47N 003-18W unlit
  13. HYDROLANT 1363/032003-07-16 → 2003-07-16
    Dgps station at butt of lewis light 58-31N 006-16W off air 161000Z to 161200Z jul
  14. NAVAREA IV 286/032003-07-11 → 2003-08-26
    Kensington dgps station, 292 khz, range 108 miles, established in 33-28.8N 079-20.4W
  15. HYDROLANT 1337/032003-07-11 → 2003-07-19
    Dgps station at canivete radiobeacon 00-30.6N 050-24.9W inoperative until 20 jul
  16. HYDROLANT 1329/032003-07-10 → 2003-07-11
    Tor ness light 58-46.7N 003-17.6W unreliable
  17. NAVAREA IV 273/032003-07-01 → 2003-07-09
    Cape canaveral dgps station 28-27-35N 080-32-35W off air
  18. HYDROLANT 1262/032003-06-29 → 2003-06-30
    Noup head light 59-19.9N 003-04.0W unlit
  19. HYDROLANT 1074/032003-06-01 → 2003-06-12
    Odas buoy, FL(5) y 20S, established in 55-57.8N 008-04.0W
  20. NAVAREA IV 196/032003-05-19 → 2003-05-20
    Savannah dgps station 32-08N 081-42W off air 201300Z to 201500Z may
  21. NAVAREA IV 192/032003-05-16 → 2003-06-02
    Ponce de leon inlet light 29-04.8N 080-55.6W unreliable
  22. HYDROLANT 738/032003-04-09 → 2004-06-16
    Tor ness light 58-46.7N 003-17.6W changed to: fl w 5 sec 17 miles
  23. NAVAREA IV 130/032003-04-02 → 2003-04-02
    Savannah dgps station 32-08N 081-42W off air 021900Z to 022100Z apr
  24. NAVAREA IV 129/032003-04-02 → 2003-04-02
    Cape canaveral dgps station 28-27.6N 080-32.6W off air 021200Z to 021700Z apr
  25. HYDROLANT 480/032003-03-02 → 2003-03-04
    M/V bonaire reports crewman wounded in 03-07N 048-26W
  26. HYDROLANT 445/032003-02-26 → 2003-03-04
    GPS jamming exercises 0800Z to 1600Z daily 27 feb thru 04 mar in area bound by 55-40N 005-20W, 55-40N…
  27. HYDROLANT 441/032003-02-26 → 2003-02-26
    Dgps station at butt of lewis light 58-31N 006-16W unusable 261200Z to 261400Z feb
  28. HYDROLANT 276/032003-02-05 → 2003-02-11
    Cape wrath light 58-38N 005-00W unreliable
  29. NAVAREA IV 65/032003-02-05 → 2003-02-06
    Charleston dgps station 32-45.4N 079-50.5W off air 061500Z to 061700Z feb
  30. HYDROLANT 247/032003-02-02 → 2003-02-04
    Cape wrath light 58-38N 005-00W unreliable
  31. HYDROLANT 176/032003-01-25 → 2003-01-26
    Point of fethaland light 60-38.0N 001-18.5W unreliable
  32. HYDROLANT 43/032003-01-06 → 2003-01-09
    Monach isles light 57-32N 007-42W unreliable
  33. HYDROLANT 2808/022002-12-20 → 2003-05-28
    AM-1 lightfloat 01-34.1N 049-01.4W temporarily removed
  34. NAVAREA IV 489/022002-12-12 → 2002-12-13
    Savannah dgps station 32-08N 081-42W at reduced power
  35. HYDROLANT 2642/022002-11-29 → 2002-12-09
    Dgps station at canivete radiobeacon 00-30.6N 050-24.9W inoperative until 08 dec
  36. NAVAREA IV 451/022002-11-26 → 2002-11-26
    Savannah dgps station 32-08N 081-42W off air until 040500Z dec
  37. HYDROLANT 2551/022002-11-19 → 2002-11-20
    Sidi bou afi light 33-15.2N 008-31.1W unlit
  38. HYDROLANT 2317/022002-10-19 → 2002-10-20
    Punta arinaga light 27-51.7N 015-23.0W unlit
  39. HYDROLANT 2226/022002-10-07 → 2002-10-09
    Two buoys established in 59-44.0N 010-58.6W
  40. HYDROLANT 2085/022002-09-17 → 2002-09-17
    Muckle flugga light 60-51N 000-53W unreliable
  41. HYDROLANT 1945/022002-09-01 → 2002-09-04
    Point of fethaland light 60-38.1N 001-18.6W unreliable
  42. HYDROLANT 1933/022002-08-30 → 2002-10-01
    Cap spartel light 35-47.5N 005-55.5W unlit
  43. HYDROLANT 1853/022002-08-22 → 2002-08-23
    Skelligs rock light 51-46.2N 010-32.5W unreliable
  44. HYDROLANT 1800/022002-08-15 → 2002-08-15
    Gasker light 57-59N 007-17W unreliable
  45. HYDROLANT 1720/022002-08-03 → 2002-08-04
    Cape wrath light 58-37.6N 004-59.9W unlit
  46. NAVAREA IV 255/022002-07-12 → 2002-07-12
    NAVTEX and dsc stations boston 41-39N 070-30W, chesapeake 36-44N 076-01W, miami 25-37N 080-23W and new…
    NAVTEX · Radio Services
  47. NAVAREA IV 251/022002-07-10 → 2002-07-11
    Dsc stations boston 41-39N 070-30W, chesapeake 36-44N 076-01W, miami 25-37N 080-23W and new orleans 29-53N…
  48. HYDROLANT 1465/022002-07-03 → 2002-07-03
    Dgps station at butt of lewis light 58-31N 006-16W unusable 030900Z to 031400Z jul
  49. HYDROLANT 1405/022002-06-25 → 2002-06-26
    Gasker light 57-59.1N 007-17.2W unreliable
  50. NAVAREA IV 224/022002-06-19 → 2002-06-20
    Cape canaveral dgps station 28-27.6N 080-32.6W off air 201300Z to 201500Z jun

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 26 · seahazards