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 249/99 · Nav aids1999-03-30 → 1999-04-01RACON at flounder a platform 38-18.8S 148-26.2E temporarily discontinued
- HYDROPAC 242/99 · Nav aids1999-03-29 → 1999-03-30Dgps service at cape schanck light 38-30S 144-53E temporarily discontinued
- HYDROPAC 241/99 · Nav aids1999-03-29 → 1999-03-29Dgps service at cape schanck 38-00S 144-53E temporarily discontinued
- HYDROPAC 208/99 · Nav aids1999-03-18 → 1999-03-27Dgps service at cape schanck light 38-30S 144-53E temporarily discontinued
- HYDROPAC 164/99 · Nav aids1999-03-01 → 1999-03-05RACON at kingfish b platform 38-36.0S 148-11.5E off air
- HYDROPAC 115/99 · Nav aids1999-02-09 → 1999-02-10RACON at flounder a platform 38-18.8S 148-26.3E temporarily discontinued
- HYDROPAC 90/99 · Nav aids1999-02-01 → 1999-02-02Rocky cape light 40-51.3S 145-30.4E unlit
- HYDROPAC 84/99 · Nav aids1999-01-29 → 1999-02-05Cape schanck light 38-30S 144-53E unlit
- HYDROPAC 78/99 · Nav aids1999-01-27 → 1999-02-05Dgps service at cape schanck light 38-29.7S 144-53.2E inoperative
- HYDROPAC 75/99 · Nav aids1999-01-26 → 1999-01-27RACON at flounder a platform 38-19S 148-26E temporarily discontinued
- HYDROPAC 31/99 · Other1999-01-11 → 1999-01-14Pipelaying operations until further notice by M/V cso apache along trackline joining 38-28.9S 148-20.5E,…
- HYDROPAC 975/98 · Other1998-12-15 → 1999-01-11Pipelaying operations in progress until further notice by M/V cso apache along trackline joining 38-28.9S…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.