Bass Strait
IHO sea area 62A · 144° to 150° E, -41° to -37° N
- in force
- 2
- last 12 months
- 11
- archive messages
- 494
- categories
- 10
What the archive shows
494 messages are recorded since 1998-12-15 for the Bass Strait. 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 240 of 494 recorded messages (49%), 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 2026-08-20 13:27ZDrill rig Valaris 107 is at position 38 degrees 17.79 minutes south, 147 degrees 40.57 minutes east, requesting 2.5 nautical miles clearance.
In force now · 2
- AUSCOAST 297/26 · Other2026-09-18Eight virtual AIS navigation marks are inoperative in an area bounded by 38-23S to 38-37S and 148-25E to 148-37E.
- AUSCOAST 280/26 · Surveys2026-08-20Drill rig Valaris 107 is at position 38 degrees 17.79 minutes south, 147 degrees 40.57 minutes east, requesting 2.5 nautical miles clearance.
Longest in force
- AUSCOAST 280/26 · Surveys2026-08-20Drill rig Valaris 107 is at position 38 degrees 17.79 minutes south, 147 degrees 40.57 minutes east, requesting 2.5 nautical miles clearance.
- AUSCOAST 297/26 · Other2026-09-18Eight virtual AIS navigation marks are inoperative in an area bounded by 38-23S to 38-37S and 148-25E to 148-37E.
By year
98
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 | 240 | 49% |
| Surveys | 98 | 20% |
| Incidents | 56 | 11% |
| Cable ops | 49 | 10% |
| Other | 25 | 5% |
| Derelicts | 17 | 3% |
| Debris | 3 | 1% |
| Wrecks | 3 | 1% |
| Containers | 2 | 0% |
| Structures | 1 | 0% |
Archive · 492 cancelled
- HYDROPAC 354/03 · Incidents2003-02-27 → 2003-02-27Distress signal received on 121.5 mhz vicinity 38-13S 148-47E at 270530Z feb
- HYDROPAC 321/03 · Incidents2003-02-22 → 2003-02-22Distress signal received on 121.5 mhz vicinity 38-41S 145-45E at 221053Z feb
- HYDROPAC 2388/02 · Nav aids2002-12-19 → 2002-12-20RACON at flounder a platform 38-18.8S 148-26.3E inoperative
- HYDROPAC 2382/02 · Nav aids2002-12-18 → 2002-12-19RACON at flounder a platform 38-18.8S 148-26.3E inoperative
- HYDROPAC 2235/02 · Nav aids2002-11-28 → 2002-12-03RACON at flounder a platform 38-18.8S 148-26.3E inoperative
- HYDROPAC 2045/02 · Other2002-11-02 → 2002-11-025 meter vessel in difficulties due to rough seas vicinity 38-55S 146-40E at 012255Z nov
- HYDROPAC 2004/02 · Nav aids2002-10-26 → 2002-10-26RACON at flounder a platform 38-18.8S 148-26.3E off air
- HYDROPAC 1930/02 · Cable ops2002-10-15 → 2002-10-26Seismic survey in progress until further notice by M/V searanger vicinity 39-50S 145-49E
- HYDROPAC 1896/02 · Surveys2002-10-11 → 2002-10-12Underwater operations in progress until further notice by M/V searanger vicinity 39-50.7S 145-49.1E
- HYDROPAC 1827/02 · Nav aids2002-10-02 → 2002-10-03Cliffy island light 38-57.2S 146-42.4E unlit
- HYDROPAC 1768/02 · Nav aids2002-09-26 → 2002-09-27RACON at flounder a platform 38-18.8S 148-26.3E off air
- HYDROPAC 1760/02 · Cable ops2002-09-26 → 2002-09-27Seismic survey in progress until further notice by M/V geco beta towing eight 3 mile long cables in area…
- HYDROPAC 1547/02 · Surveys2002-08-26 → 2002-08-27Underwater operations in progress until further notice by M/V rockwater 2 vicinity of trackline between…
- HYDROPAC 1536/02 · Surveys2002-08-24 → 2002-08-25Underwater operations in progress until further notice by M/V rockwater 2 vicinity of trackline between…
- HYDROPAC 1411/02 · Incidents2002-08-02 → 2002-08-02Distress signal received on 121.5 mhz vicinity 40-59S 146-24E at 020739Z aug
- HYDROPAC 1374/02 · Nav aids2002-07-27 → 2002-07-27RACON at flounder a platform 38-18.8S 148-26.3E temporarily discontinued
- HYDROPAC 1362/02 · Cable ops2002-07-25 → 2002-08-05Cable laying operations in progress until further notice by M/V rockwater 2 vicinity of trackline between…
- HYDROPAC 1340/02 · Other2002-07-21 → 2002-07-27Pipelaying operations in progress until further notice by M/V lorelay vicinity 37-55S 148-26E
- HYDROPAC 1309/02 · Surveys2002-07-15 → 2002-07-22Underwater operations in progress until further notice by M/V rockwater 2 in: a. 41-00S 146-54E
- HYDROPAC 1274/02 · Nav aids2002-07-07 → 2002-07-09RACON at flounder a platform 38-18.8S 148-26.3E inoperative
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.