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 147/02 · Nav aids2002-01-24 → 2002-01-28Winceby island light 34-29.4S 136-16.8E unlit
- HYDROPAC 28/02 · Incidents2002-01-05 → 2002-01-05Distress signal received on 121.5 mhz vicinity 35-05S 136-15E at 050712Z jan
- HYDROPAC 2086/01 · Nav aids2001-12-24 → 2001-12-27Snapper point light 35-44.7S 138-02.5E unlit
- HYDROPAC 1820/01 · Debris2001-11-10 → 2001-11-123.3 mile long seismic cable, marked by buoy with white strobe light, adrift in 39-37S 142-40E at 101740Z nov
- HYDROPAC 1738/01 · Nav aids2001-10-27 → 2001-10-28Albany dgps station 35-05.2S 117-54.0E temporarily discontinued
- HYDROPAC 1447/01 · Derelicts2001-09-04 → 2001-09-11Derelict 20 foot vessel adrift vicinity 35-13.5S 136-04.0E at 032330Z sep
- HYDROPAC 1333/01 · Incidents2001-08-17 → 2001-08-1818 meter F/V walara-k unreported fremantle to new zealand
- HYDROPAC 1152/01 · Derelicts2001-07-20 → 2001-07-27Derelict vessel, red hull, adrift vicinity 38-38S 142-42E at 200315Z jul
- HYDROPAC 1019/01 · Incidents2001-07-01 → 2001-07-01Distress signal received on 121.5 mhz vicinity 33-21S 137-34E at 010644Z jul
- HYDROPAC 997/01 · Containers2001-06-28 → 2001-07-05Three containers adrift vicinity of trackline between 38-45S 141-00E and 38-25S 140-29E
- HYDROPAC 821/01 · Debris2001-05-28 → 2001-05-29Four mile long survey cable, marked by lighted buoy, adrift vicinity 40-39S 143-32E at 281405Z may
- HYDROPAC 802/01 · Nav aids2001-05-25 → 2001-05-26Cape du couedic light 36-03.5S 136-41.9E unlit
- HYDROPAC 769/01 · Other2001-05-20 → 2001-05-20Single red flare sighted in 38-15S 140-50E
- HYDROPAC 730/01 · Incidents2001-05-14 → 2001-05-14Distress signal received vicinity 38-26S 141-09E at 140602Z may
- HYDROPAC 607/01 · Incidents2001-04-24 → 2001-04-24Distress signal received on 121.5 mhz vicinity 36-06S 139-25E at 240430Z apr
- HYDROPAC 585/01 · Nav aids2001-04-19 → 2002-06-22Dgps station albany established 35-05.3S 117-54.0E
- HYDROPAC 307/01 · Incidents2001-02-24 → 2001-02-24Distress signal received on 121.5 mhz vicinity 32-23S 125-50E at 241000Z feb
- HYDROPAC 277/01 · Nav aids2001-02-19 → 2001-02-21Cape donington light 34-43.7S 135-59.6E unlit
- HYDROPAC 196/01 · Nav aids2001-02-08 → 2001-02-15Cape du couedic light 36-04S 136-42E unreliable
- HYDROPAC 189/01 · Nav aids2001-02-07 → 2001-02-13Cape willoughby light 35-50.7S 138-08.0E 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.