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 1590/23 · Surveys2023-05-13 → 2023-05-18Underwater operations in progress until further notice by M/V skandi darwin in area bound by 38-31.00S…
- HYDROPAC 1411/23 · Surveys2023-04-29 → 2023-06-01Underwater operations in progress until further notice by M/V fugro mariner in area bound by 38-41.40S…
- HYDROPAC 1296/23 · Surveys2023-04-18 → 2023-05-02Underwater operations in progress until further notice by M/V skandi darwin in area bound by 38-11.60S…
- HYDROPAC 1149/23 · Surveys2023-04-06 → 2024-01-25Sub-surface scientific moorings established: a. 38-47.50S 147-03.90E
- HYDROPAC 1060/23 · Nav aids2023-03-29 → 2023-03-30Highfield point light 40-44.32S 145-17.39E unlit
- HYDROPAC 943/23 · Incidents2023-03-21 → 2023-03-21Distress signal received on 406 mhz from nine meter S/V la balsa in 39-04.73S 146-10.07E at 210442Z mar
- HYDROPAC 931/23 · Incidents2023-03-20 → 2023-03-20Eight meter M/V larus, two persons on board, sinking and crew abandoning ship in 39-10.00S 146-16.40E at…
- HYDROPAC 1368/22 · Nav aids2022-05-18 → 2022-05-25Cliffy island light 38-57.05S 146-42.34E unlit
- HYDROPAC 1177/22 · Nav aids2022-05-01 → 2022-05-18Cliffy island light 38-57.1S 146-42.4E unreliable
- HYDROPAC 957/22 · Nav aids2022-04-08 → 2022-04-10Cliffy island light 38-57.1S 146-42.4E unlit
- HYDROPAC 901/22 · Nav aids2022-04-04 → 2022-04-04Cliffy island light 38-57.1S 146-42.4E unlit
- HYDROPAC 863/22 · Surveys2022-03-31 → 2022-04-12Underwater operations in progress until further notice by M/V tek-ocean spirit in area bound by 39-49S…
- HYDROPAC 851/22 · Nav aids2022-03-31 → 2022-05-08Swan island light 40-43-39S 148-07-33E range reduced to 15 miles
- HYDROPAC 351/22 · Surveys2022-02-09 → 2022-03-30Underwater operations in progress until further notice by M/V tek ocean spirit along trackline joining…
- HYDROPAC 307/22 · Nav aids2022-02-04 → 2022-02-05Cliffy island light 38-57.1S 146-42.4E unlit
- HYDROPAC 36/22 · Nav aids2022-01-05 → 2022-01-12Cape schanck light 38-29.6S 144-53.2E unlit
- HYDROPAC 32/22 · Nav aids2022-01-04 → 2022-01-05Cape schanck light 38-29.6S 144-53.2E unreliable
- HYDROPAC 3643/21 · Derelicts2021-12-16 → 2021-12-19Derelict 18 meter M/V partially submerged and adrift in vicinity 39-06S 145-48E at 160253Z dec
- HYDROPAC 3194/21 · Surveys2021-11-07 → 2021-12-16Survey operations in progress until further notice by M/V geo coral in area bound by 39-32.5S 144-59.0E,…
- HYDROPAC 2980/21 · Incidents2021-10-18 → 2021-10-19Five meter vessel, three persons on board, overdue
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.