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 747/03 · Other2003-04-28 → 2003-04-29Red star sighted vicinity 34-45S 122-37E at 281555Z apr
- HYDROPAC 664/03 · Incidents2003-04-14 → 2003-04-14Distress signal received on 121.5 mhz in 33-58S 136-35E at 141709Z apr
- HYDROPAC 301/03 · Nav aids2003-02-18 → 2003-04-29Cape willoughby light 35-50.6S 138-08.0E changed to: fl (3) w 15 sec 11 miles
- HYDROPAC 287/03 · Derelicts2003-02-16 → 2003-02-17F/V the border disabled and adrift in 34-43S 135-06E at 161500Z feb
- HYDROPAC 2383/02 · Nav aids2002-12-18 → 2003-02-04Cape northumberland light 38-03S 140-40E unlit
- HYDROPAC 2118/02 · Incidents2002-11-16 → 2002-11-19Derelict 13 foot F/V adriatic star adrift vicinity 33-52S 121-54E
- HYDROPAC 2106/02 · Incidents2002-11-14 → 2002-11-1613 foot F/V adriatic star, two persons on board, overdue esperance (33-52S 121-54E) to eucla (31-43S 128-52E)
- HYDROPAC 2054/02 · Incidents2002-11-04 → 2002-11-04Distress signal received on 121.5 mhz vicinity 34-06S 123-12E at 040633Z nov
- HYDROPAC 1887/02 · Incidents2002-10-09 → 2002-10-09Distress signal received on 121.5 mhz vicinity 34-00S 123-15E at 021020Z oct
- HYDROPAC 1605/02 · Containers2002-09-03 → 2002-09-10Six containers adrift in 37-45.1S 135-50.9E at 032040Z sep
- HYDROPAC 1130/02 · Incidents2002-06-18 → 2002-06-19Distress signal received on 121.5 mhz in 34-37S 134-46E at 181437Z jun
- HYDROPAC 1099/02 · Nav aids2002-06-14 → 2002-06-19Cape st alban light 35-48.3S 138-07.6E unreliable
- HYDROPAC 1090/02 · Incidents2002-06-13 → 2002-06-13Distress signal received vicinity 34-34S 135-09E at 131223Z jun
- HYDROPAC 939/02 · Nav aids2002-05-20 → 2002-05-21Mary ann haven light 33-56S 120-08E unlit
- HYDROPAC 869/02 · Nav aids2002-05-10 → 2002-05-10Cape borda light 35-45.3S 136-35.7E unlit
- HYDROPAC 487/02 · Nav aids2002-03-17 → 2002-03-18Cape du couedic light 36-04.0S 136-41.9E unlit
- HYDROPAC 465/02 · Exercises2002-03-15 → 2002-03-29Hazardous operations 2130Z to 0630Z commencing daily 17 thru 21 and 24 thru 28 mar in areas bound by: a.…
- HYDROPAC 460/02 · Incidents2002-03-14 → 2002-03-14Distress signal received on 121.5 and 243 mhz vicinity 41-16S 144-45E at 141254Z mar
- HYDROPAC 283/02 · Incidents2002-02-14 → 2002-02-14Distress signal received on 121.5 mhz in 40-10S 138-19E at 142024Z feb
- HYDROPAC 278/02 · Nav aids2002-02-14 → 2002-05-24RACON (g) established at robe light 37-11S 139-45E
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.