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 · 559 cancelled
- HYDROPAC 119/04 · Incidents2004-01-22 → 2004-01-22Distress signal received on 121.5 mhz vicinity 37-00S 139-23E at 220349Z jan
- HYDROPAC 47/04 · Cable ops2004-01-11 → 2004-01-25Seismic survey in progress until further notice by M/V markab along trackline between 38-38S 142-55E and…
- HYDROPAC 2247/03 · Other2003-12-28 → 2004-01-06Underwater coring operations in progress until further notice by M/V markab along trackline between 38-38S…
- HYDROPAC 2219/03 · Other2003-12-23 → 2003-12-24Underwater coring operations in progress until further notice by M/V markab along trackline between 38-38S…
- HYDROPAC 2097/03 · Other2003-12-02 → 2003-12-26Underwater coring operations in progress until further notice by M/V markab along trackline between 38-38S…
- HYDROPAC 2085/03 · Incidents2003-12-01 → 2003-12-01Distress signal received on 121.5 mhz vicinity 34-05S 137-11E at 010216Z dec
- HYDROPAC 2081/03 · Nav aids2003-11-30 → 2003-12-02Cape borda light 35-45.3S 136-35.7E unlit
- HYDROPAC 2073/03 · Nav aids2003-11-29 → 2003-12-01Cape northumberland light 38-03.3S 140-40.0E unlit
- HYDROPAC 2044/03 · Nav aids2003-11-26 → 2003-11-27Cape sorell light 42-12S 145-10E unreliable
- HYDROPAC 1999/03 · Nav aids2003-11-20 → 2003-11-22Pearson islands light 33-57S 134-15E unreliable
- HYDROPAC 1946/03 · Other2003-11-12 → 2003-11-22Pipelaying operations in progress until further notice by barge semac 1 vicinity minerva wells (38-42.8S…
- HYDROPAC 1945/03 · Nav aids2003-11-10 → 2003-11-13Pearson islands light 33-57S 134-15E unreliable
- HYDROPAC 1855/03 · Incidents2003-10-26 → 2003-10-26Aircraft ditched in 38-30S 142-30E at 260545Z oct
- HYDROPAC 1818/03 · Cable ops2003-10-20 → 2003-11-12Seismic survey in progress until further notice by M/V orient explorer towing 2.5 mile long cable in area…
- HYDROPAC 1802/03 · Nav aids2003-10-17 → 2003-10-18Cape banks light 37-53.8S 140-22.5E unreliable
- HYDROPAC 1733/03 · Nav aids2003-10-07 → 2004-01-03Eclipse island light 35-10.8S 117-53.2E unlit
- HYDROPAC 1732/03 · Nav aids2003-10-07 → 2004-01-03RACON at middle bank south light 33-44.0S 137-29.7E unreliable
- HYDROPAC 1438/03 · Nav aids2003-08-22 → 2003-08-22Albany dgps station 35-05.2S 117-54.1E inoperative
- HYDROPAC 981/03 · Other2003-06-07 → 2003-06-14Numerous 11 meter long fiberglass swimming pools adrift in 37-17.9S 139-20.3E at 070030Z jun
- HYDROPAC 747/03 · Other2003-04-28 → 2003-04-29Red star sighted vicinity 34-45S 122-37E at 281555Z apr
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.