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 · 1,631 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 · 997 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 · 883 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 976/222022-09-23 → 2022-09-23
    Uscg remote communication facility miami (a) 25-37.40N 080-23.40W hf voice and dsc services inoperative
    Western North Atlantic · Florida
  2. NAVAREA IV 962/222022-09-20 → 2022-09-28
    Dominican Republic
    Caribbean Sea
  3. NAVAREA IV 960/222022-09-20 → 2022-09-21
    Uscg remote communication facility chesapeake (n) 36-43.7N 076-00.6W hf transmit services unreliable
    Virginia
  4. NAVAREA IV 957/222022-09-20 → 2022-09-21
    Broadcast services unreliable at uscg remote communication facilities: a. boston (f) 41-42.80N 070-30.30W
    Western North Atlantic · Gulf of Mexico
  5. NAVAREA IV 950/222022-09-19 → 2022-09-30
    NAVTEX station san juan (r) 18-27.00N 066-06.00W off air
    Caribbean Sea · Puerto Rico
  6. HYDROLANT 2319/222022-09-14 → 2022-12-16
    NAVTEX station sao miguel (f) 37-48.50N 025-33.20W off air
    North Atlantic · Azores
  7. HYDROLANT 2296/222022-09-12 → 2022-09-14
    El hank light 33-36.60N 007-39.30W unlit
    Eastern North Atlantic · Morocco
  8. HYDROLANT 2264/222022-09-08 → 2022-09-09
    Monach islands light 57-31.60N 007-41.60W unreliable
    Eastern North Atlantic · Scotland
  9. NAVAREA IV 905/222022-09-06 → 2022-09-11
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W off air
    Western North Atlantic · Virginia
  10. NAVAREA IV 904/222022-09-06 → 2022-09-06
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W off air
    Virginia
  11. HYDROLANT 2234/222022-09-06 → 2022-09-08
    Cgoc shetland mf dsc and r/t services at collafirth hill 60-32.00N 001-23.50W off air
    Eastern North Atlantic · Shetland Islands
  12. NAVAREA IV 874/222022-08-30 → 2022-09-06
    NAVTEX station chesapeake (n) 36-43.70N 076-00.60W unreliable
    Western North Atlantic Virginia
  13. NAVAREA IV 848/222022-08-24 → 2022-09-21
    Uscg remote communication facility miami (a) 25-37.40N 080-23.40W hf dsc services off air
    Western North Atlantic · Florida
  14. NAVAREA IV 842/222022-08-23 → 2023-08-04
    Odas buoys established in: a. 08-04.16N 057-04.51W
    Western North Atlantic · Guyana
  15. HYDROLANT 2041/222022-08-16 → 2022-08-23
    El hank light 33-36.60N 007-39.30W unlit
    Eastern North Atlantic · Morocco
  16. NAVAREA IV 800/222022-08-12 → 2022-08-19
    Hf transmit services unreliable at uscg remote communication facilities: a. boston (f) 41-42.80N 070-30.30W
    Western North Atlantic
  17. NAVAREA IV 728/222022-07-27 → 2022-07-28
    Uscg remote communication facility boston (f) 41-42.80N 070-30.30W hf transmit service inoperative
    Western North Atlantic · Massachusetts
  18. HYDROLANT 1846/222022-07-25 → 2022-07-29
    GPS jamming exercises 0800Z to 1600Z daily 25 thru 29 jul in area within 27 miles of 57-21.50N 007-23.90W
    Eastern North Atlantic · Little Minch · Scotland
  19. NAVAREA IV 718/222022-07-23 → 2022-07-31
    NAVTEX station charleston (e) 32-50.7N 079-57.0W off air
    South Carolina
  20. NAVAREA IV 712/222022-07-22 → 2022-07-25
    Broadcast services unreliable at uscg remote communication facilities: a. boston (f) 41-42.80N 070-30.30W
    Western North Atlantic · Gulf of Mexico
  21. NAVAREA IV 708/222022-07-21 → 2022-07-22
    Uscg remote communication facility chesapeake (n) 36-43.7N 076-00.6W hf transmit services unreliable
    Western North Atlantic · Virginia
  22. NAVAREA IV 703/222022-07-20 → 2022-07-21
    Uscg remote communication facility boston (f) 41-42.8N 070-30.3W hf transmit services unreliable
    Western North Atlantic · Massachusetts
  23. NAVAREA IV 666/222022-07-11 → 2022-07-20
    Virginia 1. uscg remote communication facility chesapeake (n) 36-43.70N 076-00.60W hf dsc off air
  24. NAVAREA IV 661/222022-07-10 → 2022-07-11
    Uscg remote communication facility portsmouth (n) 36-43.70N 076-00.60W hf dsc reception capabilities…
    United States · Virginia
  25. NAVAREA IV 654/222022-07-08 → 2022-09-21
    Uscg remote communication facility miami (a) 25-37.4N 080-23.4W mf and hf services inoperative
    Western North Atlantic · Florida
  26. HYDROLANT 1689/222022-07-04 → 2022-07-08
    GPS jamming exercises 0800Z to 1600Z daily 04 thru 08 jul in area within 30 miles of 57-22.70N 007-24.70W
    Eastern North Atlantic · Little Minch · Scotland
  27. NAVAREA IV 622/222022-07-01 → 2022-07-29
    Broadcast services unavailable at uscg remote communication facilities: a. boston (f) 41-42.80N 070-30.30W
  28. NAVAREA IV 621/222022-07-01 → 2022-08-24
    NAVTEX station miami (a) 25-37.4N 080-23.4W inoperative
    Western North Atlantic · Florida
  29. NAVAREA IV 582/222022-06-20 → 2022-06-21
    NAVTEX station chesapeake (n) 36-43.70N 076-00.60W off air
    Virginia
  30. HYDROLANT 1494/222022-06-10 → 2022-12-07
    Cabo orange light 04-25.96N 051-32.20W unlit until 06 dec
    Western North Atlantic · Brazil
  31. HYDROLANT 1480/222022-06-08 → 2022-06-13
    El hank light 33-36.60N 007-39.30W unlit
    Eastern North Atlantic · Morocco
  32. HYDROLANT 1475/222022-06-07 → 2022-12-05
    Odas buoy, yellow, FL(5)Y 20S, temporarily established until 04 dec in 03-47.90N 032-22.29W
    North Atlantic
  33. NAVAREA IV 540/222022-06-07 → 2022-06-08
    Uscg remote communication facility boston (f) 41-42.80N 070-30.30W services off air
    Western North Atlantic · Massachusetts
  34. NAVAREA IV 530/222022-06-04 → 2022-06-17
    NAVTEX station san juan (r) 18-27.00N 066-06.00W off air
    Caribbean Sea · Western North Atlantic · Puerto Rico
  35. HYDROLANT 1439/222022-06-02 → 2022-06-03
    Eight buoys, yellow, fl y 4 sec, temporarily established in area bound by: 25-49.93N 048-31.67W, 25-50.07N…
    Western South Atlantic · Brazil
  36. NAVAREA IV 518/222022-06-01 → 2022-06-01
    Dsc services unreliable until 012200Z jun at uscg remote communication facilities: a. boston (f) 41-42.80N…
    Western North Atlantic · United States
  37. NAVAREA IV 516/222022-06-01 → 2024-04-19
    Safe water buoy 19-48.78N 070-41.57W removed
    Western North Atlantic · Dominican Republic
  38. NAVAREA IV 499/222022-05-25 → 2022-06-02
    Uscg remote communication facility boston (f) 41-42.8N 070-30.3W service unreliable
    Western North Atlantic · Massachusetts
  39. HYDROLANT 1364/222022-05-24 → 2022-05-30
    NAVTEX station coruna (d) 43-22.03N 008-27.13W unreliable
    Eastern North Atlantic · Spain
  40. HYDROLANT 1350/222022-05-23 → 2022-05-24
    El hank light 33-36.60N 007-39.30W unlit
    Eastern North Atlantic · Morocco
  41. NAVAREA IV 487/222022-05-20 → 2022-05-23
    NAVTEX, sitor, vobra, hf, and weather fax off air 231200Z to 231500Z may at uscg remote communication…
  42. NAVAREA IV 475/222022-05-18 → 2022-05-20
    Uscg remote communication facility boston (f) 41-42.8N 070-30.3W sitor unreliable
    Western North Atlantic · Massachusetts
  43. NAVAREA IV 464/222022-05-15 → 2022-05-20
    NAVTEX station miami (a) 25-37.40N 080-23.40W unreliable
    Western North Atlantic · Florida
  44. NAVAREA IV 423/222022-05-03 → 2022-05-06
    NAVTEX station san juan (r) 18-27.00N 066-06.00W unreliable until 05 may
    Western North Atlantic · Puerto Rico
  45. NAVAREA IV 411/222022-04-29 → 2022-05-07
    NAVTEX station chesapeake (n) 36-44N 076-01W unreliable
    Western North Atlantic · Virginia
  46. NAVAREA IV 399/222022-04-26 → 2022-04-28
    NAVTEX station chesapeake (n) 36-43.7N 076-00.6W unreliable
    Western North Atlantic · Virginia
  47. NAVAREA IV 361/222022-04-13 → 2022-07-23
    NAVTEX station charleston (e) 32-50.7N 079-57.0W off air
    Western North Atlantic · South Carolina
  48. NAVAREA IV 352/222022-04-10 → 2022-04-11
    NAVTEX, sitor, and vobra off air 111200Z to 111400Z apr at uscg remote communication facilities: a. boston…
  49. NAVAREA IV 330/222022-04-02 → 2022-08-24
    NAVTEX station miami (a) 25-37.4N 080-23.4W unreliable
    Western North Atlantic · Florida
  50. HYDROLANT 926/222022-03-31 → 2022-04-04
    Cgoc shetland mf dsc and r/t services at collafirth hill site 60-32.0N 001-23.5W off air
    Eastern North Atlantic · Shetland Islands

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 4 · seahazards