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 3576/20 · Incidents2020-12-03 → 2020-12-03Vessel hooka sank in 35-45.38S 138-14.96E at 032131Z dec
- HYDROPAC 3575/20 · Incidents2020-12-03 → 2020-12-03Australia-south coast DNC 05
- HYDROPAC 3140/20 · Nav aids2020-10-26 → 2020-10-27Cape otway light 38-51.4S 143-30.7E unlit
- HYDROPAC 2756/20 · Nav aids2020-09-21 → 2020-11-05Cape martin light 37-29-26S 140-00-46E range reduced to 14 miles
- HYDROPAC 2599/20 · Incidents2020-09-06 → 2020-09-09Ten meter vessel margrel, two persons onboard, white and blue hull, overdue coffin BAY(34-38-07S 135-26-43E)…
- HYDROPAC 2359/20 · Nav aids2020-08-10 → 2020-08-20Breaksea island light 35-03.9S 118-03.4E unreliable
- HYDROPAC 2342/20 · Nav aids2020-08-08 → 2020-08-10Breaksea island light 35-03.9S 118-03.4E unreliable
- HYDROPAC 2151/20 · Nav aids2020-07-21 → 2020-07-23Troubridge hill light 35-09-58S 137-38-26E unreliable
- HYDROPAC 2149/20 · Nav aids2020-07-21 → 2020-07-21Troubridge hill light 35-10.0S 137-38.4E unreliable
- HYDROPAC 2143/20 · Nav aids2020-07-20 → 2020-07-21Troubridge hill light 35-09-57S 137-38-26E unreliable
- HYDROPAC 1990/20 · Incidents2020-07-05 → 2020-07-05Distress signal received on 406 mhz from seven meter M/V whittley sea legend rego KP575, in vicinity…
- HYDROPAC 1580/20 · Containers2020-05-27 → 2020-05-30Container adrift in vicinity 35-18.2S 137-11.0E at 270130Z may 20
- HYDROPAC 1045/20 · Surveys2020-03-31 → 2020-04-10Survey operations in progress until further notice by M/V nordic explorer in area bound by 37-29S 138-26E,…
- HYDROPAC 929/20 · Surveys2020-03-19 → 2020-03-31Survey operations in progress until further notice by M/V nordic explorer in area bound by 37-19S 138-17E,…
- HYDROPAC 829/20 · Surveys2020-03-12 → 2020-03-19Survey operations in progress until further notice by M/V nordic explorer in area bound by 38-50.48S…
- HYDROPAC 810/20 · Nav aids2020-03-11 → 2020-03-11Dgps station at corny point light 34-53.8S 137-00.7E inoperative
- HYDROPAC 785/20 · Surveys2020-03-09 → 2020-03-11Survey operations in progress until further notice by M/V nordic explorer in area bound by 38-53.36S…
- HYDROPAC 747/20 · Surveys2020-03-05 → 2020-08-14Survey operations in progress until further notice by M/V vos shine in area bound by 38-35.75S 142-33.90E,…
- HYDROPAC 745/20 · Derelicts2020-03-04 → 2020-03-07Derelict 14.4 meter F/V coralie g partially submerged and adrift in 35-02.39S 118-20.62E at 042215Z mar
- HYDROPAC 744/20 · Incidents2020-03-04 → 2020-03-04F/V coralie g, two persons on board, taking on water in 35-06.82S 118-18.91E at 041955Z mar
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.