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 2211/21 · Nav aids2021-08-02 → 2021-08-16Breaksea island light 35-03.9S 118-03.4E unlit
- HYDROPAC 2160/21 · Nav aids2021-07-27 → 2021-07-28Cape borda light 35-45-10S 136-35-35E unlit
- HYDROPAC 1780/21 · Nav aids2021-06-16 → 2021-09-16Cape jervis light 35-36.2S 138-05.7E unlit
- HYDROPAC 1622/21 · Nav aids2021-06-01 → 2021-06-02Warburto point light 34-00.4S 137-33.0E unreliable
- HYDROPAC 1295/21 · Incidents2021-04-29 → 2021-04-29Distress signal received on 406 mhz in 35-30.1S 138-12.3E at 290340Z apr
- HYDROPAC 1097/21 · Surveys2021-04-10 → 2021-05-01Underwater operations in progress until further notice by M/V fugro etive in area bound by 38-37.77S…
- HYDROPAC 977/21 · Nav aids2021-03-30 → 2021-03-31Cape otway light 38-51.4S 143-30.7E unlit
- HYDROPAC 960/21 · Nav aids2021-03-27 → 2021-04-09Eight buoys, yellow, fl y 3 sec, established in 38-53.5S 142-52.9E
- HYDROPAC 843/21 · Nav aids2021-03-17 → 2021-03-31Troubridge hill light 35-09-58S 137-38-26E unlit
- HYDROPAC 722/21 · Surveys2021-03-05 → 2021-04-09Underwater operations in progress until further notice by M/V siem topaz in area bound by 39-05.00S…
- HYDROPAC 516/21 · Towing2021-02-14 → 2021-02-1745 meter diameter towing pontoon with radar reflector and flashing white light adrift in vicinity 36-27S…
- HYDROPAC 508/21 · Towing2021-02-13 → 2021-02-1645 meter diameter towing pontoon with radar reflector and flashing white light adrift in 36-32S 138-30E at…
- HYDROPAC 485/21 · Derelicts2021-02-10 → 2021-02-1345 meter vessel adrift in vicinity 37-00.1S 138-24.1E
- HYDROPAC 474/21 · Other2021-02-10 → 2021-02-1045 meter vessel anchored in 37-00.1S 138-24.1E
- HYDROPAC 361/21 · Other2021-01-28 → 2021-02-1045 meter vessel anchored in 37-00.1S 138-24.1E
- HYDROPAC 321/21 · Derelicts2021-01-25 → 2021-01-2811.6 meter vessel, white hull, adrift in vicinity 35-34S 137-37E
- HYDROPAC 272/21 · Incidents2021-01-21 → 2021-01-21Distress signal received on 406 mhz from vessel dooley in vicinity 35-43.87S 138-26.07E at 202236Z jan
- HYDROPAC 270/21 · Incidents2021-01-21 → 2021-01-21Distress signal received on 406 mhz from vessel dooley in vicinity 35-43.87S 138-26.07E at 202236Z jan
- HYDROPAC 3875/20 · Incidents2020-12-30 → 2020-12-30Distress signal received on 406 mhz in 33-56.4S 122-31.9E at 300036Z dec
- HYDROPAC 3662/20 · Nav aids2020-12-11 → 2020-12-13Cape martin light 37-29.4S 140-00.8E 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.