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 2241/23 · Derelicts2023-07-09 → 2023-07-10Derelict 6.5 meter M/V gccm adrift in 35-22.38S 131-53.43E at 090700Z jul
- HYDROPAC 2228/23 · Derelicts2023-07-08 → 2023-07-09Derelict 6.5 meter M/V gccm adrift in 35-38.80S 131-23.13E at 080614Z jul
- HYDROPAC 2212/23 · Incidents2023-07-07 → 2023-07-07Distress signal received on 406 mhz from S/V waterline in 35-56.67S 129-32.53E at 070659Z jul
- HYDROPAC 1955/23 · Nav aids2023-06-12 → 2023-06-30Breaksea island light 35-03.87S 118-03.45E unlit
- HYDROPAC 1212/23 · Nav aids2023-04-13 → 2023-04-20Warburto point light 34-00.37S 137-33.04E unreliable
- HYDROPAC 1099/23 · Nav aids2023-04-01 → 2023-04-13Cape otway light 38-51.42S 143-30.00E unreliable
- HYDROPAC 1081/23 · Nav aids2023-03-30 → 2023-03-31Cape northumberland light 38-03.33S 140-40.02E unreliable
- HYDROPAC 962/23 · Nav aids2023-03-22 → 2023-03-30Cape northumberland light 38-03.37S 140-40.05E unreliable
- HYDROPAC 797/23 · Nav aids2023-03-09 → 2023-04-05Troubridge hill light 35-09.96S 137-38.44E unreliable
- HYDROPAC 681/23 · Incidents2023-03-01 → 2023-03-01Distress signal received on 406 mhz in vicinity 35-02.20S 117-59.00E at 010114Z mar
- HYDROPAC 469/23 · Surveys2023-02-11 → 2023-03-18Underwater operations in progress by M/V skandi acergy in 39-14.43S 142-54.65E
- HYDROPAC 431/23 · Nav aids2023-02-07 → 2023-02-15Orontes bank light 34-45.40S 138-00.50E unlit
- HYDROPAC 358/23 · Incidents2023-02-01 → 2023-02-01Distress signal received on 406 mhz in 35-11.33S 117-52.47E at 010215Z feb
- HYDROPAC 314/23 · Nav aids2023-01-28 → 2023-02-06Cape nelson light 38-25.80S 141-32.60E unreliable
- HYDROPAC 3765/22 · Incidents2022-12-31 → 2023-01-01Distress signal received on 406 mhz in vicinity 38-20.80S 140-38.80E at 312224Z dec
- HYDROPAC 3727/22 · Incidents2022-12-29 → 2022-12-29Distress signal received on 406 mhz in vicinity 34-33.90S 119-35.30E at 290006Z dec
- HYDROPAC 3607/22 · Missiles2022-12-17 → 2022-12-18Hazardous operations, space debris 2200Z to 0830Z daily 17 thru 20 dec in area within 15 miles of trackline…
- HYDROPAC 3578/22 · Incidents2022-12-13 → 2022-12-13Man overboard from vessel pacific explorer in 36-54.60S 139-06.10E at 131240Z dec
- HYDROPAC 3543/22 · Missiles2022-12-11 → 2022-12-15Hazardous operations, space debris 2200Z to 0830Z daily 14 thru 20 dec in area within 20 miles of trackline…
- 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…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.