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 · 490 cancelled
- HYDROPAC 1170/05 · Surveys2005-07-22 → 2005-07-23Underwater operations in progress until further notice by M/V kari ann in 38-37S 148-33E
- HYDROPAC 1090/05 · Cable ops2005-07-09 → 2005-07-24Cable operations in progress until further notice by M/V giulio verne vicinity of trackline between 40-12.0S…
- HYDROPAC 1089/05 · Incidents2005-07-09 → 2005-07-09Distress signal received on 121.5 mhz vicinity 39-17S 144-47E at 090639Z jul
- HYDROPAC 1052/05 · Cable ops2005-07-04 → 2005-08-06Cable operations in progress until further notice by vessel giulio verne in 40-12S 146-54E
- HYDROPAC 838/05 · Surveys2005-05-21 → 2005-10-27Underwater operations in progress until further notice by M/V argo II in 39-05S 146-56E
- HYDROPAC 589/05 · Nav aids2005-04-09 → 2005-10-27Rocky cape light 40-51.4S 145-30.4E unlit
- HYDROPAC 462/05 · Surveys2005-03-18 → 2005-04-01Survey operations in progress until further notice by M/V fu hai along trackline between 39-22.8S 146-54.3E…
- HYDROPAC 315/05 · Cable ops2005-02-21 → 2005-03-02Cable operations in progress until further notice by M/V giulio verne vicinity 39-19.2S 146-54.5E
- HYDROPAC 243/05 · Nav aids2005-02-08 → 2005-09-07Dgps station at cape schanck light 38-30S 144-53E at reduced power
- HYDROPAC 241/05 · Surveys2005-02-07 → 2005-02-08Underwater operations in progress until further notice by M/V argo II vicinity 38-55S 146-59E
- HYDROPAC 218/05 · Incidents2005-02-02 → 2005-03-23Distress signal received on 121.5 mhz in 39-10S 145-03E at 021754Z feb
- HYDROPAC 216/05 · Surveys2005-02-02 → 2005-02-07Underwater operations in progress until further notice by M/V argo II in 38-47S 147-01E
- HYDROPAC 213/05 · Cable ops2005-02-01 → 2005-02-21Cable operations in progress until further notice by M/V giulio verne vicinity 38-58.22S 146-58.12E
- HYDROPAC 113/05 · Cable ops2005-01-18 → 2005-03-02Cable operations in progress until further notice by cableship guilio verne in 38-34S 147-04E
- HYDROPAC 1769/04 · Surveys2004-11-09 → 2004-12-01Underwater operations in progress until further notice by M/V argo II in vicinity 38-34S 147-04E
- HYDROPAC 1650/04 · Nav aids2004-10-19 → 2004-10-21Goose island light 40-18.8S 147-07.3E unlit
- HYDROPAC 1617/04 · Surveys2004-10-13 → 2004-11-09Underwater operations in progress until further notice by M/V argo II in vicinity 38-36S 147-05E
- HYDROPAC 1497/04 · Cable ops2004-09-18 → 2005-03-02Seismic survey in progress until further notice by M/V mermaid raider vicinity 39-51.7S 145-22.5E
- HYDROPAC 1138/04 · Nav aids2004-07-10 → 2005-03-02Rocky cape light 40-51.4S 145-30.4E unlit
- HYDROPAC 955/04 · Cable ops2004-06-05 → 2004-06-17Cable operations in progress until further notice by M/V giullio verne in area bound by 38-41S 146-50E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.