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 3542/22 · Missiles2022-12-11 → 2022-12-18Hazardous operations, space debris 2200Z to 0830Z daily 16 thru 20 dec in area within 20 miles of trackline…
- HYDROPAC 3508/22 · Missiles2022-12-09 → 2022-12-14Hazardous operations, space debris 131230Z to 140800Z dec in area within 20 miles of trackline trackline…
- HYDROPAC 3499/22 · Incidents2022-12-08 → 2022-12-08Distress signal received on 406 mhz in 35-12.07S 126-33.60E at 080616Z dec
- HYDROPAC 3233/22 · Nav aids2022-11-15 → 2022-11-23Figure of eight island light 34-02.00S 121-36.17E unreliable
- HYDROPAC 3168/22 · Missiles2022-11-09 → 2022-11-13Hazardous operations, space debris 2130Z to 0800Z daily 13 thru 23 nov in area bound by 37-09.00S…
- HYDROPAC 3054/22 · Incidents2022-10-30 → 2022-10-30Distress signal received on 406 mhz from 25 meter F/V empress pearl in vicinity 40-55.27S 144-04.87E at…
- HYDROPAC 2900/22 · Other2022-10-16 → 2023-04-01Althorpe islands range, front 35-22.10S 136-51.50E unreliable
- HYDROPAC 2748/22 · Incidents2022-10-03 → 2022-10-0317 meter vessel mahi mahi 2, white hull, two persons on board, unreported esperance (34-00.00S 122-00.00E)…
- HYDROPAC 2570/22 · Nav aids2022-09-16 → 2022-09-21Cape spencer light 35-17.98S 136-52.95E unlit
- HYDROPAC 1685/22 · Nav aids2022-06-19 → 2022-06-19Cape jervis light 35-36.2S 138-05.7E unlit
- HYDROPAC 1677/22 · Nav aids2022-06-18 → 2022-06-19Cape jervis light 35-36.2S 138-05.7E unreliable
- HYDROPAC 864/22 · Nav aids2022-04-01 → 2022-04-29Eight six meter buoys, yellow, fl w, established in vicinity 39-12.3S 142-51.5E
- HYDROPAC 792/22 · Surveys2022-03-25 → 2022-03-27Underwater operations in progress until further notice by M/V siem amethyst in 39-14.24S 142-54.13E
- HYDROPAC 438/22 · Other2022-02-20 → 2022-04-2245 meter sea cage established in 35-36.72S 135-35.12E
- HYDROPAC 405/22 · Other2022-02-16 → 2022-02-2045 meter sea cage established in 35-36.72S 135-35.12E
- HYDROPAC 380/22 · Other2022-02-13 → 2022-02-1445 meter sea cage established in 36-08.89S 138-15.19E
- HYDROPAC 253/22 · Other2022-01-30 → 2022-02-2245 meter sea cage established in 35-51.75S 138-36.93E
- HYDROPAC 217/22 · Other2022-01-26 → 2022-02-1045 meter sea cage established in 36-12S 138-12E
- HYDROPAC 183/22 · Other2022-01-22 → 2022-01-2545 meter sea cage established in 36-17.6S 138-17.0E
- HYDROPAC 108/22 · Nav aids2022-01-13 → 2022-01-17Robe light 37-09.9S 139-44.7E 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.