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 903/09 · Nav aids2009-05-09 → 2009-05-16Nga chart 75215 (2ND ed)
- HYDROPAC 589/09 · Nav aids2009-03-20 → 2009-03-21Nga chart 75240 (4TH ed)
- HYDROPAC 350/09 · Surveys2009-02-15 → 2009-02-21Underwater operations in progress until further notice by M/V neptune trident in 38-17S 148-44E
- HYDROPAC 269/09 · Nav aids2009-02-03 → 2009-02-07Nga chart 75170 (12TH ed)
- HYDROPAC 78/09 · Nav aids2009-01-09 → 2009-01-17Nga chart 75240 (4TH ed)
- HYDROPAC 1813/08 · Other2008-09-17 → 2008-09-20Nga chart 75240 (4TH ed)
- HYDROPAC 1771/08 · Nav aids2008-09-11 → 2008-09-13Nga chart 75170 (12 ed)
- HYDROPAC 1722/08 · Incidents2008-09-04 → 2008-09-06Distress signal received on 243 mhz vicinity 38-48S 143-48E at 041049Z sep
- HYDROPAC 1626/08 · Surveys2008-08-23 → 2008-08-30Underwater operations in progress until further notice by M/V pacific crest within five miles of 38-41.8S…
- HYDROPAC 1384/08 · Other2008-07-22 → 2008-07-2912 meter long pontoon adrift in 39-35.2S 145-43.8E at 202310Z jul
- HYDROPAC 1378/08 · Surveys2008-07-21 → 2008-07-22Underwater operations in progress until further notice by M/V rem etive in 38-18.0S 148-42.5E
- HYDROPAC 1337/08 · Nav aids2008-07-15 → 2008-07-19Nga chart 75025 (9TH ed)
- HYDROPAC 1240/08 · Containers2008-07-02 → 2008-07-09Five 20 foot containers adrift in 38-35S 144-55E at 020515Z jul
- HYDROPAC 1042/08 · Nav aids2008-05-31 → 2008-06-07Nga chart 75252 (1ST ed)
- HYDROPAC 631/08 · Surveys2008-04-04 → 2008-04-18Survey operations in progress until further notice by M/V pacific titan towing 3.5 mile long cable in area…
- HYDROPAC 557/08 · Nav aids2008-03-27 → 2008-04-05Nga chart 75170 (12TH ed)
- HYDROPAC 197/08 · Nav aids2008-01-31 → 2008-03-15Nga chart 75170 (12TH ed)
- HYDROPAC 2244/07 · Derelicts2007-12-23 → 2007-12-30Derelict 25 foot M/V adrift vicinity 39-47.9S 145-11.7E at 220200Z dec
- HYDROPAC 2209/07 · Nav aids2007-12-15 → 2007-12-17Nga chart 75025 (9TH ed)
- HYDROPAC 2140/07 · Incidents2007-12-03 → 2008-02-03Distress signal received on 406 mhz in 39-09S 146-23E at 021030Z dec
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.