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 178/19 · Surveys2019-01-17 → 2019-01-21Underwater operations in progress until further notice by M/V far saracen in 38-32.46S 148-33.26E
- HYDROPAC 4591/18 · Nav aids2018-12-27 → 2018-12-28Cape wickham light 39-35.3S 143-56.6E unlit
- HYDROPAC 4430/18 · Nav aids2018-12-13 → 2018-12-13Mallacoota dgps station 37-34.1S 149-44.0E inoperative
- HYDROPAC 4378/18 · Surveys2018-12-08 → 2018-12-09Underwater operations in progress until further notice by M/V offshore guardian in 38-32.46S 148-33.26E
- HYDROPAC 4376/18 · Derelicts2018-12-07 → 2018-12-10Derelict 11 meter M/V yacht DDU2 anchored in 40-40.43S 147-55.68E at 072240Z dec
- HYDROPAC 4372/18 · Incidents2018-12-07 → 2018-12-07Distress signal received from M/V DDU2, one person onboard, in 40-40S 148-02E
- HYDROPAC 4358/18 · Surveys2018-12-07 → 2019-01-16Underwater operations in progress until further notice by M/V seven oceans in 38-00.7S 148-47.1E
- HYDROPAC 4306/18 · Nav aids2018-12-03 → 2018-12-06Rocky cape light 40-51.3S 145-30.5E unreliable
- HYDROPAC 4188/18 · Nav aids2018-11-22 → 2018-11-22Mallacoota dgps station 37-34.1S 149-44.0E inoperative
- HYDROPAC 4178/18 · Nav aids2018-11-21 → 2019-03-22Highfield point light 40-44.3S 145-17.4E unlit
- HYDROPAC 4151/18 · Nav aids2018-11-17 → 2019-03-22Crib point dgps station 38-21.6S 145-10.2E inoperative
- HYDROPAC 4145/18 · Nav aids2018-11-16 → 2018-11-17Crib point dgps station 38-21.6S 145-10.2E unreliable
- HYDROPAC 4078/18 · Nav aids2018-11-12 → 2018-11-12Crib point dgps station 38-21.6S 145-10.2E inoperative
- HYDROPAC 4015/18 · Nav aids2018-11-06 → 2018-11-07Crib point dgps station 38-21.6S 145-10.2E inoperative
- HYDROPAC 3989/18 · Surveys2018-11-04 → 2018-11-05Underwater operations in progress until further notice by M/V ile de brehat in vicinity 39-21.5S 145-39.3E
- HYDROPAC 3976/18 · Incidents2018-11-03 → 2018-11-03Distress signal received on 406 mhz from 14 meter vessel extasea in vicinity 38-56.71S 144-48.23E at 030344Z…
- HYDROPAC 3865/18 · Surveys2018-10-24 → 2018-10-26Underwater operations in progress until further notice by M/V ile de brehat in 39-18S 146-54E
- HYDROPAC 3146/18 · Surveys2018-08-28 → 2018-08-30Underwater operations in progress until further notice by M/V pacific vixen along trackline between…
- HYDROPAC 3118/18 · Surveys2018-08-25 → 2018-08-28Underwater operations in progress until further notice along trackline joining 39-21.68S 145-34.11E,…
- HYDROPAC 2562/18 · Incidents2018-07-13 → 2018-07-27Vessel, one person on board, taking on water in 40-56.5S 147-09.3E
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.