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 2093/07 · Cable ops2007-11-27 → 2007-11-29Seismic survey in progress until further notice by M/V pacific explorer towing six five mile long cables…
- HYDROPAC 2015/07 · Other2007-11-18 → 2008-02-03Aircraft, cessna 337, white with green stripes, unreported cape schanck (38-29S 144-53E) to merimbula…
- HYDROPAC 1932/07 · Derelicts2007-11-05 → 2007-11-05Derelict 25 meter barge adrift in 39-17S 146-29E at 040500Z nov
- HYDROPAC 1930/07 · Derelicts2007-11-04 → 2007-11-11Derelict 16 meter F/V, black hull adrift in 39-22S 146-36E at 040500Z nov
- HYDROPAC 1926/07 · Incidents2007-11-04 → 2007-11-0417 meter F/V cirrus, black hull, two persons on board, fouled propeller, dragging anchor and unable to hold…
- HYDROPAC 1865/07 · Nav aids2007-10-28 → 2007-12-02Nga chart 75035 (18TH ed)
- HYDROPAC 1840/07 · Nav aids2007-10-25 → 2007-10-26Nga chart 75209 (1ST ed)
- HYDROPAC 1738/07 · Incidents2007-10-08 → 2007-11-24Five meter vessel, two persons on board, missing
- HYDROPAC 1329/07 · Cable ops2007-08-01 → 2007-12-02Seismic survey in progress until further notice by M/V atlantic guardian in area between 38-50S 148-15E and…
- HYDROPAC 1269/07 · Nav aids2007-07-20 → 2007-08-13Nga chart 75240 (4TH ed)
- HYDROPAC 1156/07 · Nav aids2007-07-04 → 2007-07-04Nga chart 75170 (12TH ed)
- HYDROPAC 1123/07 · Derelicts2007-06-28 → 2007-07-04Derelict 36 foot M/V, white hull, adrift in 38-55.8S 148-01.9E at 271712Z jun
- HYDROPAC 1068/07 · Nav aids2007-06-18 → 2008-02-10Nga chart 75163 (1ST ed)
- HYDROPAC 1067/07 · Nav aids2007-06-18 → 2008-02-10Nga chart 75170 (12TH ed)
- HYDROPAC 1012/07 · Nav aids2007-06-10 → 2007-06-18Cape schanck dgps station 38-29.7S 144-53.3E inoperative
- HYDROPAC 459/07 · Nav aids2007-03-12 → 2007-03-13Dgps station at mallacoota light 37-34.1S 149-44.0E inoperative
- HYDROPAC 90/07 · Surveys2007-01-15 → 2007-01-23Survey operations in progress until further notice by M/V southern supporter along trackline between 39-20S…
- HYDROPAC 18/07 · Incidents2007-01-04 → 2007-01-05Vessel birrahlee, white hull with burgundy stripe, six persons on board, damaged rudder in need of…
- HYDROPAC 2323/06 · Nav aids2006-11-29 → 2006-11-30Table cape light 40-56.9S 145-43.7E unlit
- HYDROPAC 1825/06 · Nav aids2006-09-18 → 2008-02-10Patricia marker buoy 38-01.7S 148-27.0E temporarily removed
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.