Aids-to-navigation notices in the Indian Ocean

Lights extinguished, buoys off station, RACON/NAVTEX outages.

in force
4
last 12 months
8
vs previous 12 (2)
+300%
since 1998
467

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 · 4

  1. HYDROPAC 2330/26in force2026-08-14
    Four yellow buoys with flashing yellow light every 5 seconds established near 29-27.00S 114-52.18E.
    Eastern Indian Ocean · Australia
  2. AUSCOAST 273/26in force2026-08-14
    Four yellow surface buoys with flashing yellow light every 5 seconds established within 0.3 nautical miles of 29-27.00S 114-52.18E.
  3. HYDROPAC 2115/26in force2026-07-24
    Cliff Head platform at 29-26.99S 114-52.18E is unlit; the Hydropac warning 2088/26 is canceled.
    Eastern Indian Ocean · Australia
  4. AUSCOAST 253/26in force2026-07-24
    Cliff Head Platform light in position 29-26.99S 114-52.18E is unlit.

Longest in force

  1. AUSCOAST 253/26in force2026-07-24 · 29 d
    Cliff Head Platform light in position 29-26.99S 114-52.18E is unlit.
  2. HYDROPAC 2115/26in force2026-07-24 · 29 d
    Cliff Head platform at 29-26.99S 114-52.18E is unlit; the Hydropac warning 2088/26 is canceled.
    Eastern Indian Ocean · Australia
  3. AUSCOAST 273/26in force2026-08-14 · 8 d
    Four yellow surface buoys with flashing yellow light every 5 seconds established within 0.3 nautical miles of 29-27.00S 114-52.18E.
  4. HYDROPAC 2330/26in force2026-08-14 · 8 d
    Four yellow buoys with flashing yellow light every 5 seconds established near 29-27.00S 114-52.18E.
    Eastern Indian Ocean · Australia

By year

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 Indian Ocean

Archive · 463 cancelled

  1. HYDROPAC 2243/192019-07-11 → 2019-08-22
    All navigational aids at platform angel 19-29.93S 116-35.88E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  2. HYDROPAC 1707/192019-05-23 → 2019-06-04
    Tanner islet light 16-05.7S 123-31.8E unlit
    Eastern Indian Ocean · Australia-northwest Coast
  3. HYDROPAC 1148/192019-04-05 → 2019-04-07
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Southeastern Indian Ocean · Australia-southwest Coast
  4. HYDROPAC 1145/192019-04-05 → 2020-06-05
    16 buoys,fl 3, established in 20-24.49S 114-50.95E
    Eastern Indian Ocean · Australia-northwest Coast
  5. HYDROPAC 1084/192019-04-01 → 2019-04-02
    Exmouth dgps station 21-53.1S 114-08.0E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  6. HYDROPAC 988/192019-03-26 → 2019-06-12
    RACON at port hedland C1 light 19-59.5S 118-26.2E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  7. HYDROPAC 987/192019-03-26 → 2019-03-30
    Port hedland C1 light 19-59.5S 118-26.2E unlit
    Eastern Indian Ocean · Australia-northwest Coast
  8. HYDROPAC 460/192019-02-09 → 2019-03-22
    Cape naturaliste light 33-32.2S 115-01.2E temporary change of character fl 10S, range reduced to 21 nm
    Southeastern Indian Ocean · Australia-southwest Coast
  9. HYDROPAC 414/192019-02-04 → 2019-02-12
    Cape naturaliste light 33-32.2S 115-01.2E unreliable
    Southeastern Indian Ocean · Australia-southwest Coast
  10. HYDROPAC 338/192019-01-29 → 2019-01-29
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  11. HYDROPAC 319/192019-01-28 → 2019-01-28
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  12. HYDROPAC 243/192019-01-23 → 2019-01-27
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  13. HYDROPAC 242/192019-01-23 → 2019-03-22
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  14. HYDROPAC 4199/182018-11-23 → 2018-11-26
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Southeastern Indian Ocean · Australia-west Coast
  15. HYDROPAC 3971/182018-11-02 → 2018-11-03
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  16. HYDROPAC 3927/182018-10-30 → 2018-10-30
    Karratha dgps station 20-42.4S 116-47.0E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  17. HYDROPAC 3914/182018-10-28 → 2018-10-29
    Karratha dgps station 20-42.4S 116-47.0E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  18. HYDROPAC 3215/182018-09-01 → 2019-01-04
    North west cape light 21-48.4S 114-09.6E unlit
    Eastern Indian Ocean · Australia-northwest Coast
  19. HYDROPAC 3113/182018-08-25 → 2018-08-25
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Southeastern Indian Ocean · Australia-west Coast
  20. HYDROPAC 2965/182018-08-14 → 2018-08-14
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Southeastern Indian Ocean Australia-southwest Coast
  21. HYDROPAC 2945/182018-08-13 → 2018-08-13
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Southeastern Indian Ocean Australia-southwest Coast
  22. HYDROPAC 2649/182018-07-21 → 2018-07-21
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  23. HYDROPAC 2531/182018-07-11 → 2018-07-12
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  24. HYDROPAC 2520/182018-07-10 → 2018-07-10
    Karratha dgps station 20-42.4S 116-47.0E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  25. HYDROPAC 2308/182018-06-22 → 2018-06-26
    Point cloates light 22-42.6S 113-40.8E unlit
    Eastern Indian Ocean · Australia-northwest Coast
  26. HYDROPAC 2275/182018-06-19 → 2018-06-23
    Four buoys, yellow, fl w 3 sec, established in area within one mile of 18-43.10S 118-43.57E
    Eastern Indian Ocean · Australia-northwest Coast
  27. HYDROPAC 1720/182018-05-05 → 2018-05-05
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  28. HYDROPAC 1413/182018-04-12 → 2018-04-16
    Port hedland C2 light 19-59.6S 118-26.4E unlit
    Eastern Indian Ocean · Australia-northwest Coast
  29. HYDROPAC 1220/182018-03-29 → 2018-04-01
    Temporary buoy established in 20-48.9S 109-40.3E
    Eastern Indian Ocean
  30. HYDROPAC 816/182018-03-02 → 2018-07-01
    Point quobba light 24-28.8S 113-25.1E range reduced to 12 miles and temporarily changed to: fl (4) w 16 sec
    Eastern Indian Ocean · Australia-northwest Coast
  31. HYDROPAC 686/182018-02-20 → 2018-02-21
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  32. HYDROPAC 4607/172017-12-27 → 2018-03-23
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Australia-northwest Coast
  33. HYDROPAC 4588/172017-12-26 → 2017-12-26
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Australia-northwest Coast
  34. HYDROPAC 4247/172017-12-04 → 2018-03-23
    Odas buoy established in 05-00S 100-00E
    Eastern Indian Ocean
  35. HYDROPAC 3723/172017-10-31 → 2017-11-09
    Cape leveque light 16-23.8S 122-55.7E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  36. HYDROPAC 3444/172017-10-09 → 2017-10-09
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  37. HYDROPAC 3377/172017-10-03 → 2017-10-03
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  38. HYDROPAC 3232/172017-09-20 → 2017-09-20
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Australia-west Coast
  39. HYDROPAC 2936/172017-08-29 → 2017-08-29
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  40. HYDROPAC 2839/172017-08-22 → 2017-08-22
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Australia-northwest Coast
  41. HYDROPAC 2817/172017-08-19 → 2019-01-04
    RACON at bedout island light 19-35.3S 119-06.1E discontinued
    Eastern Indian Ocean · Australia-northwest Coast
  42. HYDROPAC 2694/172017-08-08 → 2017-08-09
    Cape leeuwin light 34-22.5S 115-08.2E unlit
    Southeastern Indian Ocean · Australia-southwest Coast
  43. HYDROPAC 2630/172017-08-03 → 2017-08-03
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  44. HYDROPAC 2609/172017-08-01 → 2017-08-01
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Australia-west Coast
  45. HYDROPAC 2014/172017-06-08 → 2017-06-09
    Cape leeuwin light 34-22.5S 115-08.2E unlit
    Southeastern Indian Ocean · Australia-southwest Coast
  46. HYDROPAC 1678/172017-05-12 → 2017-05-15
    Rottnest island light 32-00.4S 115-30.3E unlit
    Indian Ocean · Australia
  47. HYDROPAC 1266/172017-04-10 → 2017-04-11
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  48. HYDROPAC 582/172017-02-17 → 2017-02-19
    Karratha dgps staion 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  49. HYDROPAC 285/172017-01-25 → 2017-01-28
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  50. HYDROPAC 284/172017-01-25 → 2017-01-27
    Karratha dgps station 20-42.4S 116-47.0E unreliable
    Eastern Indian Ocean · Australia-northwest Coast

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 Indian Ocean — page 3 · seahazards