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.
- An older warning still listed in force · issued 2026-05-30 01:04ZThe vessel Dependable is conducting cable lay operations from 38-25S 144-28E to 40-22S 137-28E, with 1.5 nautical mile clearance requested.
In force now · 5
- AUSCOAST 292/26 · Nav aids2026-09-07Two 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.
- HYDROPAC 1864/26 · Nav aids2026-06-29A yellow six-meter buoy is established in the Great Australian Bight at 38-47.62S 142-37.77E; a three-mile berth is requested.
- AUSCOAST 228/26 · Nav aids2026-06-29A 6-meter yellow surface buoy is established at 38-47.62S 142-37.77E, requesting 2.5 nautical miles clearance.
- HYDROPAC 1585/26 · Cable ops2026-05-30Cable-laying is in progress in Bass Strait and Great Australian Bight, Australia, by the ship Dependable; a two-mile berth is requested.
- AUSCOAST 208/26 · Other2026-05-30The 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
- AUSCOAST 208/26 · Other2026-05-30The vessel Dependable is conducting cable lay operations from 38-25S 144-28E to 40-22S 137-28E, with 1.5 nautical mile clearance requested.
- HYDROPAC 1585/26 · Cable ops2026-05-30Cable-laying is in progress in Bass Strait and Great Australian Bight, Australia, by the ship Dependable; a two-mile berth is requested.
- AUSCOAST 228/26 · Nav aids2026-06-29A 6-meter yellow surface buoy is established at 38-47.62S 142-37.77E, requesting 2.5 nautical miles clearance.
- HYDROPAC 1864/26 · Nav aids2026-06-29A yellow six-meter buoy is established in the Great Australian Bight at 38-47.62S 142-37.77E; a three-mile berth is requested.
- AUSCOAST 292/26 · Nav aids2026-09-07Two 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 aids | 289 | 51% |
| Incidents | 125 | 22% |
| Surveys | 46 | 8% |
| Other | 42 | 7% |
| Derelicts | 21 | 4% |
| Missiles | 10 | 2% |
| Cable ops | 10 | 2% |
| Wrecks | 8 | 1% |
| Containers | 7 | 1% |
| Debris | 3 | 1% |
| Towing | 2 | 0% |
| Spills | 1 | 0% |
| Exercises | 1 | 0% |
Archive · 560 cancelled
- HYDROPAC 1833/05 · Incidents2005-11-01 → 2005-11-033 meter vessel kiana II, aluminum hull, two persons on board, overdue from eucla
- HYDROPAC 1750/05 · Nav aids2005-10-17 → 2005-10-18Troubridge hill light 35-10.0S 137-38.5E unlit
- HYDROPAC 1459/05 · Incidents2005-09-08 → 2005-10-27Distress signal received on 121.5 mhz vicinity 33-32S 137-50E at 081839Z sep
- HYDROPAC 1214/05 · Incidents2005-07-30 → 2005-07-31Ten foot vessel, two persons on board unreported cape jervis to penneshaw
- HYDROPAC 895/05 · Nav aids2005-05-31 → 2005-10-27Marino rocks light 35-03.2S 138-30.7E changed to: fl w 10 sec 20 miles flash 0.1 sec eclipse 9.9 sec
- HYDROPAC 697/05 · Nav aids2005-04-27 → 2005-10-27Cape borda light 35-45.3S 136-35.7E unreliable
- HYDROPAC 186/05 · Incidents2005-01-29 → 2005-01-29Distress signal received on 121.5 mhz in 36-46S 133-36E at 282130Z jan
- HYDROPAC 171/05 · Nav aids2005-01-27 → 2005-01-28Dgps station at corny point light 34-54S 137-00E inoperative
- HYDROPAC 1871/04 · Nav aids2004-12-04 → 2005-10-17Troubridge hill light 35-10.0S 137-38.5E range reduced to 19 miles
- HYDROPAC 1827/04 · Nav aids2004-11-26 → 2005-03-02Warburto point light 34-00.4S 137-33.1E unlit
- HYDROPAC 1576/04 · Nav aids2004-10-03 → 2004-12-04Troubridge hill light 35-10S 137-38.5E unlit
- HYDROPAC 1471/04 · Nav aids2004-09-13 → 2005-03-02Cape donington light 34-43.7S 135-59.6E unlit
- HYDROPAC 1394/04 · Nav aids2004-08-28 → 2004-08-30Eclipse island light 35-10.9S 117-53.2E unlit
- HYDROPAC 1301/04 · Incidents2004-08-10 → 2004-08-10Distress signal received on 121.5 mhz vicinity 35-10S 137-23E at 092249Z aug
- HYDROPAC 1074/04 · Nav aids2004-06-27 → 2004-06-28Corny point light 34-53.8S 137-00.6E unlit
- HYDROPAC 926/04 · Incidents2004-05-29 → 2004-07-03Man overboard from F/V miss rylee in 33-49S 123-48E at 291230Z may
- HYDROPAC 719/04 · Nav aids2004-04-23 → 2004-04-24Cape donnington light 34-44.0S 136-11.0E unlit
- HYDROPAC 637/04 · Incidents2004-04-09 → 2004-04-12Distress signal received on 121.5 mhz vicinity 34-48S 136-24E at 082322Z apr
- HYDROPAC 632/04 · Incidents2004-04-08 → 2004-04-08Distress signal received in 34-53S 137-02E at 081046Z apr
- HYDROPAC 518/04 · Nav aids2004-03-21 → 2004-03-22South neptune island light 35-20.3S 136-07.0E unreliable
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.