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 973/10 · Derelicts2010-05-11 → 2010-05-14
    Derelict 21 meter M/V partially submerged and adrift in 35-05S 137-52E at 101435Z may
  2. HYDROPAC 961/10 · Incidents2010-05-10 → 2010-05-10
    Distress signal received on 406 mhz vicinity 34-22.2S 123-41.5E at 100200Z may
  3. HYDROPAC 807/10 · Nav aids2010-04-19 → 2010-04-21
    Nga chart 74052 (2ND ed)
  4. HYDROPAC 396/10 · Nav aids2010-03-01 → 2010-03-06
    Nga chart 75130 (16TH ed)
  5. HYDROPAC 309/10 · Nav aids2010-02-16 → 2010-02-20
    Nga chart 75130 (16TH ed)
  6. HYDROPAC 2390/09 · Other2009-12-20 → 2010-02-20
    Pipelaying operations in progress until further notice by M/V seven navica in 38-41S 142-38E
  7. HYDROPAC 2348/09 · Nav aids2009-12-15 → 2009-12-15
    Nga chart 75160 (6TH ed)
  8. HYDROPAC 2158/09 · Nav aids2009-11-21 → 2009-11-28
    Nga chart 75130 (16TH ed)
  9. HYDROPAC 1815/09 · Nav aids2009-10-06 → 2009-10-08
    Nga chart 75158 (1ST ed)
  10. HYDROPAC 1615/09 · Nav aids2009-09-07 → 2009-09-12
    Nga chart 75180 (2ND ed)
  11. HYDROPAC 1535/09 · Nav aids2009-08-27 → 2009-08-29
    Nga chart 74595 (2ND ed)
  12. HYDROPAC 1526/09 · Incidents2009-08-26 → 2009-08-26
    Distress signal received on 406 mhz from 4.5 meter vessel, two person on board, in 33-55S 123-21E at 260522Z…
  13. HYDROPAC 1476/09 · Nav aids2009-08-19 → 2009-08-20
    Nga chart 75130 (16TH ed)
  14. HYDROPAC 1389/09 · Nav aids2009-08-05 → 2009-08-05
    Nga chart 74030 (6TH ed)
  15. HYDROPAC 1088/09 · Nav aids2009-06-11 → 2009-06-20
    Nga chart 75111 (1ST ed)
  16. HYDROPAC 965/09 · Nav aids2009-05-19 → 2009-05-23
    Nga chart 75167 (1ST ed)
  17. HYDROPAC 825/09 · Nav aids2009-04-26 → 2009-05-02
    Nga chart 75130 (16TH ed)
  18. HYDROPAC 470/09 · Nav aids2009-03-04 → 2009-03-05
    Nga chart 75159 (1ST ed)
  19. HYDROPAC 430/09 · Nav aids2009-02-24 → 2009-02-28
    Nga chart 75160 (6TH ed)
  20. HYDROPAC 281/09 · Nav aids2009-02-04 → 2009-02-05
    Nga chart 75130 (16TH ed)

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 19 · seahazards