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 1864/20 · Nav aids2020-06-23 → 2020-06-26Dolphin oilfield light 38-29.24S 147-22.65E unlit
- HYDROPAC 1863/20 · Nav aids2020-06-23 → 2020-06-26Perch oilfield light 38-34.15S 147-19.36E unlit
- HYDROPAC 1239/20 · Surveys2020-04-19 → 2020-07-11Survey operations in progress until further notice by M/V geo coral towing 12 four mile long cables in area…
- HYDROPAC 1206/20 · Nav aids2020-04-16 → 2020-04-16Mallacoota dgps station 37-34.1S 149-44.0E inoperative
- HYDROPAC 1156/20 · Surveys2020-04-12 → 2020-04-15Survey operations in progress until further notice by M/V geo coral towing 12 four mile long cables in area…
- HYDROPAC 1032/20 · Surveys2020-03-28 → 2020-08-14Survey operations in progress until further notice by M/V sapura constructor in area bound by 38-14.39S…
- HYDROPAC 1029/20 · Surveys2020-03-28 → 2020-04-03Survey operations in progress until further notice by M/V silver star towing 300 meter cable in area bound…
- HYDROPAC 883/20 · Surveys2020-03-16 → 2020-04-11Survey operations in progress until further notice by M/V oceanic champion in area bound by 38-00.0S…
- HYDROPAC 825/20 · Surveys2020-03-11 → 2020-04-12Six mile berth requested
- HYDROPAC 754/20 · Nav aids2020-03-05 → 2020-08-14Cape wickham light 39-35.3S 143-56.6E unlit
- HYDROPAC 648/20 · Derelicts2020-02-24 → 2020-02-27Derelict 12 meter vessel showtime abandoned and adrift in 38-24.3S 148-16.3E at 232130Z feb
- HYDROPAC 641/20 · Incidents2020-02-23 → 2020-02-24Derelict 12 meter vessel showtime, white hull, capsized and adrift in 38-14.5S 148-24.8E at 230100Z feb
- HYDROPAC 554/20 · Surveys2020-02-15 → 2020-03-11Survey operations in progress until further notice by M/V geo coral towing 12 four mile long cables in area…
- HYDROPAC 528/20 · Surveys2020-02-13 → 2020-02-15Survey operations in progress until further notice by M/V geo coral towing five mile long cable in area…
- HYDROPAC 509/20 · Surveys2020-02-12 → 2020-02-13Survey operations in progress until further notice by M/V geo coral towing 12 7408 meter long cables in area…
- HYDROPAC 477/20 · Surveys2020-02-11 → 2020-03-05Survey operations in progress until further notice by M/V vos shine along trackline joining 38-16.39S…
- HYDROPAC 76/20 · Nav aids2020-01-06 → 2020-01-07Cape wickham light 39-35.31S 143-56.58E unlit
- HYDROPAC 31/20 · Surveys2020-01-02 → 2020-02-09Survey operations in progress until further notice by M/V geo coral towing 12 7408 meter long cables in area…
- HYDROPAC 4303/19 · Surveys2019-12-31 → 2020-01-02Survey operations in progress until further notice by M/V geo coral in area bound by 38-06.65S 147-54.93E,…
- HYDROPAC 4301/19 · Surveys2019-12-31 → 2019-12-31Survey operations in progress until further notice by M/V geo coral along trackline joining 38-06.65S…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.