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 270/24 · Surveys2024-01-23 → 2024-01-25Underwater operations in progress until further notice by M/V skandi darwin in 38-32.40S 148-33.30E
- HYDROPAC 252/24 · Nav aids2024-01-20 → 2024-01-25Highfield point light 40-44.33S 145-17.39E unreliable
- HYDROPAC 195/24 · Surveys2024-01-16 → 2024-01-23Underwater operations in progress until further notice by M/V skandi darwin in 38-30.80S 148-28.10E
- HYDROPAC 3873/23 · Surveys2023-12-10 → 2023-12-12Underwater operations in progress until further notice by M/V skandi darwin in area bound by 38-32.44S…
- HYDROPAC 3802/23 · Surveys2023-12-02 → 2023-12-03Underwater operations in progress until further notice by M/V skandi darwin along trackline joining…
- HYDROPAC 3800/23 · Surveys2023-12-01 → 2023-12-06Underwater operations in progress until further notice by M/V ngerin in 38-19.60S 147-53.30E
- HYDROPAC 3742/23 · Surveys2023-11-26 → 2023-11-28Underwater operations in progress until further notice by vessel skandi darwin in area bound by 38-39.50S…
- HYDROPAC 3615/23 · Surveys2023-11-16 → 2023-11-19Underwater operations in progress until further notice by M/V skandi darwin in 38-32.40S 148-33.20E
- HYDROPAC 3529/23 · Surveys2023-11-08 → 2023-11-12Underwater operations in progress until further notice by M/V mma vigilant in area bound by 37-58.59S…
- HYDROPAC 3520/23 · Surveys2023-11-08 → 2023-11-12Underwater operations in progress until further notice by M/V mma vigilant in area bound by 37-58.51S…
- HYDROPAC 3430/23 · Incidents2023-10-30 → 2023-10-30Distress signal received on 406 mhz in 40-14.10S 147-46.00E at 301229Z oct
- HYDROPAC 3413/23 · Incidents2023-10-28 → 2023-10-28Distress signal received on 406 mhz in vicinity 38-33.20S 145-19.10E at 280713Z oct
- HYDROPAC 3356/23 · Incidents2023-10-23 → 2023-10-2315 meter S/V, three persons on board, on fire and sinking in 38-55.87S 146-31.00E at 230234Z oct
- HYDROPAC 3241/23 · Nav aids2023-10-11 → 2024-01-25Cape schanck light 38-29.57S 144-53.19E unreliable
- HYDROPAC 3236/23 · Surveys2023-10-10 → 2023-11-08Underwater operations in progress until further notice by M/V mma vigilant in area bound by 38-15.15S…
- HYDROPAC 3209/23 · Surveys2023-10-08 → 2023-10-25Underwater operations in progress until further notice by M/V skandi darwin in 38-32.40S 148-33.20E
- HYDROPAC 2261/23 · Surveys2023-07-11 → 2023-07-19Underwater operations in progress until further notice by M/V investigator in area bound by 38-14.40S…
- HYDROPAC 2210/23 · Nav aids2023-07-07 → 2023-09-07Cape schanck light 38-29.57S 144-53.19E unlit
- HYDROPAC 2202/23 · Surveys2023-07-06 → 2023-07-06Underwater operations in progress until further notice by M/V investigator in 38-40.88S 148-27.79E
- HYDROPAC 2104/23 · Surveys2023-06-27 → 2023-07-15Underwater operations in progress until further notice by M/V mma coral in 38-17.90S 148-42.60E
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.