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 822/00 · Nav aids2000-06-01 → 2000-06-02Cape woolamai light 38-33.9S 145-21.4E unlit
- HYDROPAC 755/00 · Nav aids2000-05-22 → 2000-05-22RACON at flounder a platform 38-18.8S 148-26.3E temporarily discontinued
- HYDROPAC 629/00 · Nav aids2000-04-26 → 2000-04-27Mersey bluff light 41-09.5S 146-21.3E unlit
- HYDROPAC 621/00 · Cable ops2000-04-25 → 2000-06-07Seismic survey in progress until further notice by M/V canning tide in area bound by 38-32S 148-26E, 38-32S…
- HYDROPAC 432/00 · Incidents2000-03-12 → 2000-03-13Distress signal received on 121.5 mhz in 39-09S 146-19E at 122135Z mar
- HYDROPAC 405/00 · Nav aids2000-03-08 → 2000-03-09Swan island light 40-43.8S 148-07.3E unlit
- HYDROPAC 292/00 · Nav aids2000-02-19 → 2000-02-20RACON at flounder a platform 38-18.8S 148-26.3E temporarily discontinued
- HYDROPAC 266/00 · Nav aids2000-02-14 → 2000-02-15RACON at flounder a platform 38-18.8S 148-26.3E off air
- HYDROPAC 124/00 · Nav aids2000-01-23 → 2000-01-24Mersey bluff light 41-09.5S 146-21.3E unlit
- HYDROPAC 1428/99 · Nav aids1999-12-19 → 2000-01-07Dgps station at cape schanck light 38-29.7S 144-53.5E off air
- HYDROPAC 1423/99 · Incidents1999-12-18 → 1999-12-20Man overboard from M/V spirit of tasmania vicinity of trackline between 38-57S 145-00E and 38-20S 144-38E
- HYDROPAC 1403/99 · Nav aids1999-12-15 → 1999-12-15Dgps station at cape schanck light 38-29.7S 144-53.1E temporarily discontinued
- HYDROPAC 1296/99 · Nav aids1999-11-24 → 1999-12-10Dgps station at cape schanck light 38-29.7S 144-53.1E off air
- HYDROPAC 1156/99 · Incidents1999-10-31 → 1999-10-3110 meter sloop western morning, five persons on board, disabled in 39-58S 145-04E at 310315Z oct
- HYDROPAC 668/99 · Nav aids1999-07-21 → 1999-07-22RACON at flounder a platform 38-18.8S 148-26.3E inoperative
- HYDROPAC 556/99 · Nav aids1999-06-24 → 1999-06-24Dgps service at cape schanck light 38-30S 144-53E off air
- HYDROPAC 535/99 · Nav aids1999-06-17 → 1999-06-18RACON at flounder a platform 38-18.8S 148-26.3E off air
- HYDROPAC 419/99 · Nav aids1999-05-14 → 1999-05-21RACON at flounder a platform 38-18.8S 148-26.3E inoperative
- HYDROPAC 395/99 · Nav aids1999-05-10 → 1999-05-11Dgps service at cape schanck light 38-38S 144-53E off air
- HYDROPAC 259/99 · Nav aids1999-04-02 → 1999-04-07Little rame head light 37-41.2S 149-40.2E unlit
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.