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 3854/162016-12-11 → 2016-12-11
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  2. HYDROPAC 3698/162016-11-30 → 2016-12-02
    Adele island light 15-30.6S 123-09.4E unlit
    Eastern Indian Ocean · Australia-northwest Coast
  3. HYDROPAC 3630/162016-11-24 → 2016-11-26
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  4. HYDROPAC 2849/162016-09-19 → 2016-09-20
    North west cape light 21-48.4S 114-09.6E changed to: fl w 10 sec 21 miles
    Eastern Indian Ocean · Australia-northwest Coast
  5. HYDROPAC 2801/162016-09-14 → 2016-09-16
    Port hedland C2 light 19-59.6S 118-26.4E unlit
    Eastern Indian Ocean · Australia-northwest Coast
  6. HYDROPAC 2741/162016-09-10 → 2016-09-10
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Australia-west Coast
  7. HYDROPAC 2718/162016-09-08 → 2016-09-08
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  8. HYDROPAC 2674/162016-09-05 → 2016-09-06
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  9. HYDROPAC 2634/162016-09-01 → 2016-09-01
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Australia-west Coast
  10. HYDROPAC 2628/162016-08-31 → 2016-08-31
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Australia-west Coast
  11. HYDROPAC 2598/162016-08-28 → 2016-08-30
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  12. HYDROPAC 2366/162016-08-08 → 2016-08-09
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  13. HYDROPAC 2358/162016-08-08 → 2016-08-08
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  14. HYDROPAC 2207/162016-07-23 → 2016-07-23
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  15. HYDROPAC 1945/162016-06-29 → 2016-07-14
    12 buoys, yellow, fl w 3 sec, established within one mile of 19-56.7S 115-19.5E
    Eastern Indian Ocean · Australia-northwest Coast
  16. HYDROPAC 1902/162016-06-25 → 2016-06-26
    Karratha dgps station 20-42.4S 116-46.4E inoperative
    Australia-northwest Coast
  17. HYDROPAC 1644/162016-06-03 → 2016-06-04
    Point moore light 28-47.0S 114-34.8E unlit
    Eastern Indian Ocean · Australia-west Coast
  18. HYDROPAC 1601/162016-05-31 → 2017-01-28
    RACON at maatsuyker island light 43-39.3S 146-16.4E discontinued
    Southeastern Indian Ocean · Tasmania-south Coast
  19. HYDROPAC 1434/162016-05-16 → 2016-05-30
    12 buoys, yellow, fl 3 sec, established within one mile of 19-54.35S 115-16.12E
    Eastern Indian Ocean · Australia-northwest Coast
  20. HYDROPAC 1316/162016-05-06 → 2016-05-07
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  21. HYDROPAC 1311/162016-05-06 → 2016-05-06
    Karratha dgps station 20-42.4S 116-47.0E inoperative
    Eastern Indian Ocean · Australia-northwest Coast
  22. HYDROPAC 1299/162016-05-05 → 2016-06-05
    Buoy, fl 5 sec, established in 19-55.25S 115-06.53E
    Eastern Indian Ocean · Australia-northwest Coast
  23. HYDROPAC 1285/162016-05-04 → 2017-01-28
    Buoy, fl 5 sec, established in 19-55.51S 115-08.07E
    Eastern Indian Ocean · Australia-northwest Coast
  24. HYDROPAC 641/162016-03-05 → 2016-03-13
    Eight buoys, yellow, fl w 3 sec, established vicinity 19-40.8S 117-21.1E
    Eastern Indian Ocean · Australia-northwest Coast
  25. HYDROPAC 638/162016-03-05 → 2016-03-12
    Six buoys, fl w 3 sec, established vicinity 19-54.3S 115-16.1E
    Eastern Indian Ocean · Australia-northwest Coast
  26. HYDROPAC 264/162016-01-30 → 2016-01-31
    Karratha dgps station 20-42.4S 116-46.4E inoperative
    Australia-northwest Coast
  27. HYDROPAC 174/162016-01-20 → 2016-02-14
    Eight buoys, yellow, fl w 3 sec, established vicinity 19-32.4S 116-10.8E
    Eastern Indian Ocean · Australia-northwest Coast
  28. HYDROPAC 173/162016-01-20 → 2016-03-06
    12 buoys, yellow, fl w 3 sec, established vicinity 19-48.76S 115-17.82E
    Eastern Indian Ocean · Australia-northwest Coast
  29. HYDROPAC 79/162016-01-10 → 2016-01-16
    Australia-northeast coast DNC 04
    Eastern Indian Ocean
  30. HYDROPAC 4224/152015-12-28 → 2016-01-24
    12 buoys, yellow, fl w 3 sec, established in 19-54.3S 115-16.1E
    Eastern Indian Ocean · Australia-northwest Coast
  31. HYDROPAC 3659/152015-11-09 → 2015-11-12
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Australia-northwest Coast
  32. HYDROPAC 3473/152015-10-22 → 2015-10-22
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Australia-northwest Coast
  33. HYDROPAC 3458/152015-10-20 → 2015-10-21
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Australia-northwest Coast
  34. HYDROPAC 3435/152015-10-19 → 2015-10-19
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Australia-northwest Coast
  35. HYDROPAC 2920/152015-09-04 → 2015-09-04
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Australia-west Coast
  36. HYDROPAC 2789/152015-08-22 → 2015-11-08
    Three buoys, yellow, fl 5 sec, established within one mile of 21-31.4S 114-07.2E
    Eastern Indian Ocean · Australia-northwest Coast
  37. HYDROPAC 2742/152015-08-19 → 2015-08-20
    Port hedland C2 light 19-59.6S 118-26.4E unlit
    Australia-northwest Coast
  38. HYDROPAC 2622/152015-08-10 → 2015-11-08
    12 buoys, yellow, fl w 3 sec, established within one mile of 19-48.76S 115-17.82E
    Eastern Indian Ocean · Australia-northwest Coast
  39. HYDROPAC 2577/152015-08-06 → 2015-10-09
    Two buoys, yellow, fl w 3 sec, established in: a. 19-55.86S 115-07.86E
    Eastern Indian Ocean · Australia-northwest Coast
  40. HYDROPAC 2556/152015-08-04 → 2015-08-06
    Maatsuyker island light 43-39.3S 146-16.4E unreliable
    Southeastern Indian Ocean · Tasmania-south Coast
  41. HYDROPAC 2526/152015-07-31 → 2015-08-06
    Two buoys, yellow, six meter diameter, fl w 3 sec, established in: a. 19-55.31S 115-07.31E
    Eastern Indian Ocean · Australia-northwest Coast
  42. HYDROPAC 2465/152015-07-27 → 2015-07-28
    Perth dgps station 31-47.9S 115-56.0E inoperative
    Australia-west Coast
  43. HYDROPAC 2460/152015-07-27 → 2015-08-10
    NAVTEX station mauritius 20-10S 057-28E inoperative
    Western Indian Ocean · Mauritius · NAVTEX
  44. HYDROPAC 2451/152015-07-27 → 2015-07-28
    Karratha dgps station 20-42.4S 116-46.4E inoperative
    Australia-northwest Coast
  45. HYDROPAC 2417/152015-07-24 → 2015-07-24
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Australia-northwest Coast
  46. HYDROPAC 2403/152015-07-23 → 2015-07-23
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Australia-northwest Coast
  47. HYDROPAC 2391/152015-07-22 → 2015-07-22
    Exmouth dgps station 21-53.1S 114-08.0E inoperative
    Australia-northwest Coast
  48. HYDROPAC 2380/152015-07-20 → 2015-07-30
    North west cape light 21-48.4S 114-09.6E unlit
    Australia-northwest Coast
  49. HYDROPAC 2374/152015-07-20 → 2015-07-25
    Rosemary island light 20-28.6S 116-36.0E range changed to 11 miles
    Australia-northwest Coast
  50. HYDROPAC 2373/152015-07-20 → 2015-07-25
    Legendre island light 20-21.5S 116-50.6E range changed to 15 miles
    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.