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 4300/19 · Nav aids2019-12-31 → 2020-01-05Little rame head light 37-41.1S 149-40.4E unreliable
- HYDROPAC 4297/19 · Nav aids2019-12-30 → 2020-01-03Mallacoota dgps station 37-34.1S 149-44.0E inoperative
- HYDROPAC 4224/19 · Nav aids2019-12-21 → 2020-08-14Table cape light 40-56.8S 145-43.7E unlit
- HYDROPAC 4019/19 · Nav aids2019-12-05 → 2020-01-12Wilsons promontory light 39-07-47S 146-25-28E range reduced to 15 miles
- HYDROPAC 3714/19 · Nav aids2019-11-12 → 2019-11-13Cape wickham light 39-35.3S 143-56.6E unlit
- HYDROPAC 3268/19 · Surveys2019-10-02 → 2019-10-07Underwater operations in progress until further notice by M/V far saracen in 38-36.7S 148-31.0E
- HYDROPAC 3219/19 · Surveys2019-09-29 → 2019-10-02Underwater operations in progress until further notice by M/V far saracen in 38-41.71S 148-44.80E
- HYDROPAC 2735/19 · Surveys2019-08-23 → 2019-08-28Underwater operations in progress until further notice by M/V fugro mariner in 38-11.69S 147-40.42E
- HYDROPAC 2708/19 · Nav aids2019-08-22 → 2019-08-22Mallacoota dgps station 37-34.1S 149-44.0E inoperative
- HYDROPAC 2620/19 · Surveys2019-08-14 → 2019-08-29Survey operations in progress until further notice by seven meter submersible, orange hull in area bound by…
- HYDROPAC 2412/19 · Surveys2019-07-28 → 2019-08-23Underwater operations in progress until further notice by M/V fugro mariner in 38-14.96S 147-29.03E
- HYDROPAC 2153/19 · Incidents2019-07-02 → 2019-07-02Distress signal received on 406 mhz in 38-22S 144-19E at 020358Z jul
- HYDROPAC 1876/19 · Incidents2019-06-08 → 2019-06-08Distress signal received in 40-03.0S 145-47.3E at 082018 jun
- HYDROPAC 1644/19 · Surveys2019-05-15 → 2019-06-17Underwater operations in progress until further notice by M/V seven eagle along trackline joining 38-06S…
- HYDROPAC 1077/19 · Surveys2019-03-31 → 2019-04-01Underwater operations in progress until further notice by M/V tek ocean spirit in area within two miles of…
- HYDROPAC 1006/19 · Nav aids2019-03-27 → 2020-03-05Cape wickham light 39-35.3S 143-56.6E range reduced to 15 miles
- HYDROPAC 860/19 · Nav aids2019-03-15 → 2019-03-16Mersey bluff light 41-09.5S 146-21.3E unlit
- HYDROPAC 626/19 · Surveys2019-02-25 → 2019-03-08Underwater operations in progress until further notice by M/V silver star in 38-15S 147-30E
- HYDROPAC 406/19 · Surveys2019-02-04 → 2019-03-12Underwater operations in progress until further notice by M/V skandi acergy along trackline joining…
- HYDROPAC 241/19 · Nav aids2019-01-22 → 2019-01-23Mallacoota dgps station 37-34.1S 149-44.0E inoperative
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.