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 96/22 · Other2022-01-12 → 2022-01-2845 meter sea cage established in 35-50.30S 138-34.57E
- HYDROPAC 85/22 · Other2022-01-10 → 2022-01-1445 meter sea cage established in 37-05.1S 138-46.8E
- HYDROPAC 84/22 · Other2022-01-10 → 2022-01-2245 meter sea cage established in 36-21.8S 136-16.5E
- HYDROPAC 17/22 · Other2022-01-03 → 2022-01-1045 meter sea cage established in 36-17.6S 138-17.0E
- HYDROPAC 3705/21 · Other2021-12-22 → 2022-01-2045 meter sea cage established in 36-00.7S 138-05.6E
- HYDROPAC 3678/21 · Other2021-12-20 → 2022-02-1045 meter sea cage established in 35-25.3S 135-10.1E
- HYDROPAC 3672/21 · Other2021-12-20 → 2022-01-0145 meter sea cage established in 36-22.2S 136-17.0E
- HYDROPAC 3664/21 · Nav aids2021-12-18 → 2022-01-17Eight six meter buoys, yellow, fl w 3 sec, established in area within one mile of 39-13.3S 142-50.3E
- HYDROPAC 3505/21 · Nav aids2021-12-05 → 2021-12-18Eight six meter buoys, yellow, fl w 3 sec, established in area within one mile of 39-13.3S 142-50.3E
- HYDROPAC 3490/21 · Incidents2021-12-03 → 2021-12-04Distress signal received on 406 mhz from S/V calypso in 42-35.40S 145-06.87E at 031223Z dec
- HYDROPAC 3317/21 · Nav aids2021-11-17 → 2021-11-17South page light 35-46.6S 138-17.5E unreliable
- HYDROPAC 3270/21 · Nav aids2021-11-12 → 2021-11-29Eight six meter buoys, yellow, fl w 3 sec, established in vicinity 39-06.5S 142-57.1E
- HYDROPAC 3024/21 · Nav aids2021-10-22 → 2021-11-18Eight six meter buoys, yellow, fl w 3 sec, established in vicinity 39-12.5S 142-52.5E
- HYDROPAC 2626/21 · Missiles2021-09-15 → 2021-09-16Hazardous operations, space debris 152030Z to 160830Z sep in area bound by 35-00S 135-28E, 35-00S 135-45E,…
- HYDROPAC 2613/21 · Missiles2021-09-14 → 2021-09-15Hazardous operations, space debris 142030Z to 150830Z sep in area bound by 35-00S 135-28E, 35-00S 135-45E,…
- HYDROPAC 2540/21 · Missiles2021-09-09 → 2021-09-10Hazardous operations, space debris 092030Z to 100830Z sep in area bound by: 35-00S 135-28E, 35-00S 135-45E,…
- HYDROPAC 2436/21 · Surveys2021-08-26 → 2021-11-01Survey operations in progress until further notice by M/V geo coral in area bound by 39-05S 143-13E, 40-29S…
- HYDROPAC 2390/21 · Nav aids2021-08-21 → 2021-09-09Wardang island, summit light 34-30.0S 137-20.7E unlit
- HYDROPAC 2347/21 · Nav aids2021-08-16 → 2021-08-18Breaksea island light 35-03.9S 118-03.4E unreliable
- HYDROPAC 2324/21 · Incidents2021-08-13 → 2021-08-1320 meter F/V southern lady II unreported
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.