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 3062/24 · Nav aids2024-09-17 → 2024-11-22Figure of eight island light 34-02.00S 121-36.30E unreliable
- HYDROPAC 1498/24 · Surveys2024-05-05 → 2024-05-08Underwater operations in progress until further notice by M/V bold explorer in area bound by 36-00S 135-35E,…
- HYDROPAC 1417/24 · Nav aids2024-04-30 → 2024-05-03Warburto point light 34-00.37S 137-33.04E unreliable
- HYDROPAC 1404/24 · Nav aids2024-04-29 → 2024-05-03Stokes point light 40-08.96S 143-55.53E unlit
- HYDROPAC 1163/24 · Surveys2024-04-11 → 2024-04-24Underwater operations in progress until further notice by M/V samson explorer in area bound by 34-56.30S…
- HYDROPAC 980/24 · Incidents2024-03-25 → 2024-03-26Six meter vessel cockleshell 3, white hull, five persons on board, overdue
- HYDROPAC 895/24 · Surveys2024-03-18 → 2024-03-21Underwater operations in progress until further notice by M/V mma coral in 38-39.90S 142-58.60E
- HYDROPAC 834/24 · Surveys2024-03-13 → 2024-03-18Underwater operations in progress until further notice by M/V mma coral in 38-46.59S 142-58.20E
- HYDROPAC 765/24 · Surveys2024-03-07 → 2024-03-13Underwater operations in progress until further notice by M/V mma coral in 39-13.00S 142-52.50E
- HYDROPAC 729/24 · Surveys2024-03-04 → 2024-03-07Underwater operations in progress until further notice by M/V mma coral in 39-06.49S 142-57.09E
- HYDROPAC 682/24 · Surveys2024-02-28 → 2024-03-04Underwater operations in progress until further notice by M/V mma coral in area bound by 38-38.00S…
- HYDROPAC 434/24 · Other2024-02-05 → 2024-02-2545 meter pontoon marked with radar reflectors and white flashing lights at anchor until 290001Z feb in…
- HYDROPAC 351/24 · Surveys2024-01-29 → 2024-02-06Underwater operations in progress until further notice by M/V mma coral in area bound by 38-38.00S…
- HYDROPAC 231/24 · Wrecks2024-01-19 → 2024-04-08Obstruction reported, 45 meter pontoon anchored in 35-16.16S 137-04.95E
- HYDROPAC 194/24 · Wrecks2024-01-16 → 2024-01-19Obstruction reported, 45 meter pontoon anchored in 34-46.54S 136-33.07E
- HYDROPAC 104/24 · Nav aids2024-01-09 → 2024-01-12Point marsden light 35-34.05S 137-37.24E unlit
- HYDROPAC 3963/23 · Nav aids2023-12-19 → 2024-01-25Althorpe island light 35-22.10S 136-51.50E unreliable
- HYDROPAC 2955/23 · Incidents2023-09-14 → 2023-09-29Distress signal received on 406 mhz from vessel bigwitch in vicinity 33-43.40S 134-31.80E at 141638Z sep
- HYDROPAC 2287/23 · Derelicts2023-07-12 → 2023-07-15Derelict 6.5 meter M/V gccm adrift in 36-06.58S 134-18.85E at 121900Z jul
- HYDROPAC 2252/23 · Derelicts2023-07-10 → 2023-07-13Derelict 6.5 meter M/V gccm adrift in vicinity 35-26.33S 132-31.91E at 100900Z jul
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.