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 2586/21 · Nav aids2021-09-12 → 2021-09-30Perth platform 38-34.15S 147-19.37E unlit
- HYDROPAC 2372/21 · Surveys2021-08-19 → 2021-08-25Survey operations in progress until further notice by M/V geo coral towing 16 five mile long cables in area…
- HYDROPAC 2362/21 · Surveys2021-08-18 → 2021-08-19Survey operations in progress until further notice by M/V geo coral towing 16 four mile long cables in area…
- HYDROPAC 2249/21 · Nav aids2021-08-06 → 2021-09-30RACON at flounder platform 38-18-48S 148-26-18E inoperative
- HYDROPAC 1838/21 · Nav aids2021-06-22 → 2021-09-10Australia-southeast Coast
- HYDROPAC 1738/21 · Nav aids2021-06-12 → 2021-06-13Cape liptrap light 38-54.44S 145-55.36E unlit
- HYDROPAC 1717/21 · Nav aids2021-06-11 → 2021-06-11Cape liptrap light 38-54.44S 145-55.36E unlit
- HYDROPAC 1388/21 · Nav aids2021-05-10 → 2021-05-10Citadel island light 39-06.9S 146-14.3E unreliable
- HYDROPAC 1373/21 · Nav aids2021-05-07 → 2021-05-10Navigational aids at kingfish b platform 38-36.0S 148-11.3E inoperative
- HYDROPAC 1317/21 · Incidents2021-05-01 → 2021-05-01Distress signal received on 406 mhz from 4.4 meter vessel NW394, two persons on board, in vicinity 38-57.7S…
- HYDROPAC 368/21 · Surveys2021-01-29 → 2021-03-08Underwater operations in progress until further notice by M/V mma leeuwin in area bound by 38-40.3S…
- HYDROPAC 351/21 · Surveys2021-01-27 → 2021-03-18Underwater operations in progress until further notice by M/V seven eagle along trackline joining 38-19.06S…
- HYDROPAC 124/21 · Nav aids2021-01-11 → 2021-01-14Highfield point light 40-44-18S 145-17-25E unlit
- HYDROPAC 3887/20 · Incidents2020-12-31 → 2021-01-1518 meter vessel, white hull, one person on board, unreported gabo island (37-33.78S 149-54.66E) to deal…
- HYDROPAC 3840/20 · Surveys2020-12-26 → 2020-12-28Underwater operations in progress until further notice by M/V mma leeuwin along trackline joining 38-29.0S…
- HYDROPAC 3491/20 · Incidents2020-11-26 → 2020-11-27Distress signal received on 121.5 and 406 mhz from 13 meter S/V fortuna in 37-53S 149-27E at 262219Z nov
- HYDROPAC 3274/20 · Nav aids2020-11-06 → 2020-12-15Sub-surface mooring buoys, at depth ten meters, established in area bound by 39-04.10S 146-43.35E, 38-26.67S…
- HYDROPAC 2294/20 · Surveys2020-08-03 → 2020-11-02Underwater operations in progress until further notice by M/V mma leeuwin in: a. 38-11.70S 147-40.45E
- HYDROPAC 1864/20 · Nav aids2020-06-23 → 2020-06-26Dolphin oilfield light 38-29.24S 147-22.65E unlit
- HYDROPAC 1863/20 · Nav aids2020-06-23 → 2020-06-26Perch oilfield light 38-34.15S 147-19.36E 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.