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 1764/14 · Incidents2014-06-18 → 2014-06-19F/V marys, one person on board, overdue cape nelson (38-25.3S 141-32.5E) to port phillip (38-09.0S 144-52.0E)
- HYDROPAC 1763/14 · Incidents2014-06-18 → 2014-06-18F/V time out, one person on board, overdue cape nelson (38-25.3S 141-32.5E) to port phillip (38-09.0S…
- HYDROPAC 1735/14 · Nav aids2014-06-16 → 2014-06-17Australia-southwest Coast
- HYDROPAC 1734/14 · Nav aids2014-06-16 → 2014-06-17Great Australian Bight
- HYDROPAC 1142/14 · Incidents2014-04-21 → 2014-04-21Five meter vessel, five persons on board, sinking in 38-36.3S 141-23.4E at 210500Z apr
- HYDROPAC 457/14 · Incidents2014-02-17 → 2014-02-184.7 meter M/V, two persons on board, overdue vicinity south page island (35-46.7S 138-17.6E)
- HYDROPAC 381/14 · Nav aids2014-02-07 → 2014-02-08Australia-south Coast
- HYDROPAC 374/14 · Nav aids2014-02-07 → 2014-02-07Australia-south Coast
- HYDROPAC 354/14 · Nav aids2014-02-05 → 2014-02-05Australia-south Coast
- HYDROPAC 33/14 · Incidents2014-01-03 → 2014-01-03Distress signal received on 406 mhz vicinity 43-32.28S 146-00.90E at 031032Z jan
- HYDROPAC 3374/13 · Nav aids2013-10-30 → 2013-10-31Australia-south Coast
- HYDROPAC 3322/13 · Nav aids2013-10-25 → 2013-10-25Australia-southwest Coast
- HYDROPAC 3299/13 · Nav aids2013-10-24 → 2013-10-24Australia-southwest Coast
- HYDROPAC 3275/13 · Nav aids2013-10-23 → 2013-10-23Australia-southwest Coast
- HYDROPAC 3263/13 · Nav aids2013-10-22 → 2013-10-22Australia-southwest Coast
- HYDROPAC 3090/13 · Nav aids2013-10-09 → 2013-10-09Australia-southeast Coast
- HYDROPAC 2346/13 · Nav aids2013-08-07 → 2013-08-10Australia-southwest Coast
- HYDROPAC 2237/13 · Incidents2013-07-27 → 2013-07-285.7 meter M/V, white hull, two persons on board, overdue vicinity investigator strait (35-23.4S 137-16.8E)
- HYDROPAC 1921/13 · Nav aids2013-07-02 → 2013-07-02Australia-south Coast
- HYDROPAC 1769/13 · Nav aids2013-06-18 → 2013-06-19Australia-south 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.