Great Australian Bight

IHO sea area 62 · 118° to 146° E, -44° to -31° N

in force
5
last 12 months
18
archive messages
565
categories
13

What the archive shows

565 messages are recorded since 1991-02-13 for the Great Australian Bight. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.

Nav aids accounts for 289 of 565 recorded messages (51%), the largest category group in this selection.

The NGA historical archive froze in 2024-05; live collection began 2026-08-17. Counts around that gap are incomplete, and changes in reporting volume do not establish changes in incident frequency.

In force now · 5

  1. AUSCOAST 292/26 · Nav aids2026-09-07
    Two 6 meter yellow buoys with white flashing light every 3 seconds are temporarily placed near 38-47.19S 142-36.00E; 2.5 nautical mile clearance requested.
  2. HYDROPAC 1864/26 · Nav aids2026-06-29
    A yellow six-meter buoy is established in the Great Australian Bight at 38-47.62S 142-37.77E; a three-mile berth is requested.
  3. AUSCOAST 228/26 · Nav aids2026-06-29
    A 6-meter yellow surface buoy is established at 38-47.62S 142-37.77E, requesting 2.5 nautical miles clearance.
  4. HYDROPAC 1585/26 · Cable ops2026-05-30
    Cable-laying is in progress in Bass Strait and Great Australian Bight, Australia, by the ship Dependable; a two-mile berth is requested.
  5. AUSCOAST 208/26 · Other2026-05-30
    The vessel Dependable is conducting cable lay operations from 38-25S 144-28E to 40-22S 137-28E, with 1.5 nautical mile clearance requested.

Longest in force

  1. AUSCOAST 208/26 · Other2026-05-30
    The vessel Dependable is conducting cable lay operations from 38-25S 144-28E to 40-22S 137-28E, with 1.5 nautical mile clearance requested.
  2. HYDROPAC 1585/26 · Cable ops2026-05-30
    Cable-laying is in progress in Bass Strait and Great Australian Bight, Australia, by the ship Dependable; a two-mile berth is requested.
  3. AUSCOAST 228/26 · Nav aids2026-06-29
    A 6-meter yellow surface buoy is established at 38-47.62S 142-37.77E, requesting 2.5 nautical miles clearance.
  4. HYDROPAC 1864/26 · Nav aids2026-06-29
    A yellow six-meter buoy is established in the Great Australian Bight at 38-47.62S 142-37.77E; a three-mile berth is requested.
  5. AUSCOAST 292/26 · Nav aids2026-09-07
    Two 6 meter yellow buoys with white flashing light every 3 seconds are temporarily placed near 38-47.19S 142-36.00E; 2.5 nautical mile clearance requested.

By year

91
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

By category · available archive

Nav aids28951%
Incidents12522%
Surveys468%
Other427%
Derelicts214%
Missiles102%
Cable ops102%
Wrecks81%
Containers71%
Debris31%
Towing20%
Spills10%
Exercises10%

Archive · 560 cancelled

  1. HYDROPAC 1718/13 · Nav aids2013-06-14 → 2013-06-16
    Australia-south Coast
  2. HYDROPAC 1377/13 · Nav aids2013-05-14 → 2013-05-14
    Australia-southwest Coast
  3. HYDROPAC 1295/13 · Incidents2013-05-07 → 2013-05-07
    Distress signal received on 406 mhz vicinity 38-42.1S 141-18.9E at 070036Z may
  4. HYDROPAC 1085/13 · Nav aids2013-04-19 → 2013-04-19
    Australia-southwest Coast
  5. HYDROPAC 869/13 · Containers2013-03-28 → 2013-03-31
    Container adrift vicinity 38-26S 141-32E at 280655Z mar
  6. HYDROPAC 808/13 · Containers2013-03-24 → 2013-03-27
    Four containers adrift in 37-26.4S 139-07.9E at 232108Z mar
  7. HYDROPAC 672/13 · Incidents2013-03-09 → 2013-03-11
    14 meter vessel lady marlen, white hull, one person on board, overdue albany (35-02S 117-53E) to bruny…
  8. HYDROPAC 556/13 · Nav aids2013-02-25 → 2013-02-26
    Australia-south Coast
  9. HYDROPAC 517/13 · Nav aids2013-02-21 → 2013-02-21
    Australia-south Coast
  10. HYDROPAC 496/13 · Nav aids2013-02-19 → 2013-02-23
    Australia-south Coast
  11. HYDROPAC 463/13 · Nav aids2013-02-16 → 2013-02-16
    Cancel HYDROPAC 325/13(93), assistance no longer needed
  12. HYDROPAC 429/13 · Other2013-02-13 → 2013-02-28
    Australia-southeast Coast
  13. HYDROPAC 224/13 · Incidents2013-01-22 → 2013-01-23
    Distress signal received on 406 mhz in 37-05.22S 139-43.56E at 222208Z jan
  14. HYDROPAC 149/13 · Nav aids2013-01-15 → 2013-01-15
    Australia-southwest Coast
  15. HYDROPAC 3480/12 · Incidents2012-12-07 → 2012-12-08
    Distress signal received from 14 meter S/V, three persons on board, in 33-41S 124-31E at 071100Z dec
  16. HYDROPAC 3470/12 · Nav aids2012-12-07 → 2012-12-08
    Australia-southwest Coast
  17. HYDROPAC 3457/12 · Nav aids2012-12-06 → 2012-12-06
    Australia-southwest Coast
  18. HYDROPAC 3277/12 · Incidents2012-11-20 → 2012-11-20
    12 meter S/V taking on water in 36-47S 131-44E at 200846Z nov
  19. HYDROPAC 3202/12 · Nav aids2012-11-12 → 2012-11-13
    Australia-south Coast
  20. HYDROPAC 2340/12 · Nav aids2012-08-17 → 2012-08-17
    Australia-southwest 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.

Great Australian Bight — navigational warnings — archive page 16 · seahazards