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 2898/212021-10-11 → 2021-10-19
    Cape leveque light 16-23.8S 122-55.7E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  2. HYDROPAC 2858/212021-10-07 → 2021-10-29
    Browse island light 14-06.5S 123-32.9E unlit
    Eastern Indian Ocean · Australia-northwest Coast
  3. HYDROPAC 2857/212021-10-07 → 2021-10-31
    RACON at browse island light 14-06.5S 123-32.9E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  4. HYDROPAC 2823/212021-10-05 → 2021-10-06
    Cape leeuwin light 34-22-29S 115-08-12E unreliable
    Southeastern Indian Ocean · Australia-southwest Coast
  5. HYDROPAC 2808/212021-10-04 → 2021-10-27
    Adele island light 15-30.6S 123-09.5E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  6. HYDROPAC 2282/212021-08-09 → 2021-08-12
    Browse island light 14-06.5S 123-32.9E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  7. HYDROPAC 2238/212021-08-05 → 2022-02-03
    Ponta do ouro light 26-51-24S 032-53-18E unlit
    Western Indian Ocean · South Africa
  8. HYDROPAC 1930/212021-07-01 → 2021-07-11
    Adele island light 15-30.6S 123-09.5E unlit
    Eastern Indian Ocean · Australia-northwest Coast
  9. HYDROPAC 1885/212021-06-26 → 2021-07-15
    North island light 28-17.9S 113-35.4E unlit
    Eastern Indian Ocean · Australia-southwest Coast
  10. HYDROPAC 1873/212021-06-25 → 2021-06-26
    North island light 28-17.9S 113-35.4E unreliable
    Eastern Indian Ocean · Australia-southwest Coast
  11. HYDROPAC 1851/212021-06-23 → 2021-07-01
    RACON at adele island light 15-30.6S 123-09.5E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  12. HYDROPAC 1847/212021-06-23 → 2021-06-23
    Australia- Northwest Coast
    Eastern Indian Ocean
  13. HYDROPAC 1831/212021-06-21 → 2021-06-25
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  14. HYDROPAC 1529/212021-05-23 → 2021-09-16
    Cape leeuwin light 34-22.5S 115-08.2E unlit
    Southeastern Indian Ocean · Australia-southwest Coast
  15. HYDROPAC 1095/212021-04-10 → 2022-03-25
    Rottnest island light temporarily changed to fl w 7.5 sec 20 miles in 32-00.4S 115-30.3E
    Southeastern Indian Ocean · Australia-southwest Coast
  16. HYDROPAC 952/212021-03-26 → 2021-04-10
    Rottnest island light 32-00.4S 115-30.3E unreliable
    Southeastern Indian Ocean · Australia-southwest Coast
  17. HYDROPAC 517/212021-02-14 → 2021-02-16
    Rottnest island light 32-00.4S 115-30.3E unlit
    Southeastern Indian Ocean · Australia-southwest Coast
  18. HYDROPAC 462/212021-02-09 → 2021-02-16
    North west cape light 21-48-23S 114-09-37E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  19. HYDROPAC 3644/202020-12-09 → 2020-12-11
    RACON at browse island light 14-06.5S 123-32.9E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  20. HYDROPAC 2354/202020-08-09 → 2020-08-10
    Cape naturaliste light 33-32.2S 115-01.2E unlit
    Southeastern Indian Ocean · Australia-southwest Coast
  21. HYDROPAC 1946/202020-06-30 → 2020-07-01
    RACON at browse island light 14-06-30S 123-32-55E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  22. HYDROPAC 1937/202020-06-29 → 2020-06-30
    RACON at browse island light 14-06-30S 123-32-55E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  23. HYDROPAC 1861/202020-06-23 → 2020-07-26
    Eight buoys, fl 3, established in 20-34.6S 114-46.6E
    Eastern Indian Ocean · Australia-northwest Coast
  24. HYDROPAC 1274/202020-04-23 → 2020-04-24
    Port hedland C2 light 19-59.6S 118-26.4E unlit
    Eastern Indian Ocean · Australia-northwest Coast
  25. HYDROPAC 1252/202020-04-21 → 2020-04-24
    Momi bay range light, rear 17-54.6S 117-17.5E unlit
    Western South Pacific · Fiji
  26. HYDROPAC 1105/202020-04-05 → 2020-04-29
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  27. HYDROPAC 736/202020-03-03 → 2020-03-06
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  28. HYDROPAC 482/202020-02-11 → 2020-02-12
    RACON at angel platform 19-29.92S 116-35.88E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  29. HYDROPAC 443/202020-02-09 → 2020-02-11
    North island light 28-17.9S 113-35.4E unreliable
    Eastern Indian Ocean · Australia-southwest Coast
  30. HYDROPAC 424/202020-02-07 → 2020-03-03
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  31. HYDROPAC 368/202020-02-03 → 2020-02-05
    North island light 28-17.9S 113-35.4E unreliable
    Eastern Indian Ocean · Australia-southwest Coast
  32. HYDROPAC 358/202020-02-02 → 2020-02-03
    North island light 28-17.9S 113-35.4E unlit
    Eastern Indian Ocean · Australia-southwest Coast
  33. HYDROPAC 186/202020-01-17 → 2020-01-25
    Adele island light 15-30-37S 123-09-27E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  34. HYDROPAC 33/202020-01-03 → 2020-07-31
    RACON at imperieuse reef light 17-31.1S 118-56.9E unreliable
    Eastern Indian Ocean
  35. HYDROPAC 32/202020-01-03 → 2020-01-21
    Imperieuse reef light 17-31.1S 118-56.9E unreliable
    Eastern Indian Ocean
  36. HYDROPAC 4285/192019-12-30 → 2020-01-01
    Gantheaume point light 17-58-27S 122-10-38E unreliable
    Eastern Indian Ocean · Australia-northwest Coast
  37. HYDROPAC 3610/192019-11-01 → 2019-11-03
    Point d'entrecasteaux light 34-50-20S 116-00-14E unlit
    Southeastern Indian Ocean · Australia-southwest Coast
  38. HYDROPAC 3112/192019-09-22 → 2019-09-22
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Southeastern Indian Ocean Australia-southwest Coast
  39. HYDROPAC 2990/192019-09-12 → 2019-09-13
    North island light 28-17.9S 113-35.4E unlit
    Eastern Indian Ocean · Australia-southwest Coast
  40. HYDROPAC 2973/192019-09-11 → 2019-09-11
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Southeastern Indian Ocean · Australia-west Coast
  41. HYDROPAC 2970/192019-09-10 → 2019-09-10
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Southeastern Indian Ocean · Australia-west Coast
  42. HYDROPAC 2948/192019-09-08 → 2019-09-09
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  43. HYDROPAC 2939/192019-09-08 → 2019-09-08
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  44. HYDROPAC 2859/192019-08-31 → 2019-08-31
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  45. HYDROPAC 2715/192019-08-22 → 2019-10-07
    Airlie island light 21-19.4S 115-10.1E range reduced to 14 miles
    Eastern Indian Ocean · Australia-northwest Coast
  46. HYDROPAC 2685/192019-08-20 → 2019-10-25
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  47. HYDROPAC 2665/192019-08-19 → 2019-08-19
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  48. HYDROPAC 2582/192019-08-10 → 2020-06-05
    North west island light 20-21.6S 115-31.5E range reduced to 15 nm
    Eastern Indian Ocean · Australia
  49. HYDROPAC 2531/192019-08-07 → 2019-08-08
    Trimouille island light 20-24.5S 115-34.5E unlit
    Eastern Indian Ocean · Australia-northwest Coast
  50. HYDROPAC 2528/192019-08-07 → 2019-08-07
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    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 2 · seahazards