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 2563/11 · Incidents2011-09-11 → 2011-09-1211 meter S/V rustic charm, green hull, unreported port fairy (38-22S 142-14E) to launceston (41-26S 147-08E)
- HYDROPAC 1787/11 · Incidents2011-06-20 → 2011-06-2014.7 meter S/V peccadillo, white hull, five persons on board, unreported swan island banks strait (40-44S…
- HYDROPAC 946/11 · Incidents2011-03-25 → 2011-03-26Eight meter S/V pandora, white hull, one person on board, unreported, melbourne (37-48S 144-57E) to hobart…
- HYDROPAC 917/11 · Incidents2011-03-23 → 2011-03-23Distress signal received on 121.5 mhz vicinity franklin sound (40-16S 148-15E) at 230600Z mar
- HYDROPAC 916/11 · Containers2011-03-23 → 2011-03-26Two containers adrift in 38-43S 148-42E at 221230Z mar
- HYDROPAC 805/11 · Nav aids2011-03-15 → 2011-03-16Nga chart 75170 (12TH ed)
- HYDROPAC 788/11 · Nav aids2011-03-13 → 2011-03-14Nga chart 75170 (12TH ed)
- HYDROPAC 753/11 · Surveys2011-03-10 → 2011-03-10Underwater operations in progress until further notice by M/V ile de re in 39-18.3S 146-54.5E
- HYDROPAC 744/11 · Nav aids2011-03-09 → 2011-03-10Nga chart 75170 (12TH ed)
- HYDROPAC 734/11 · Nav aids2011-03-09 → 2011-03-10Nga chart 75170 (12TH ed)
- HYDROPAC 724/11 · Surveys2011-03-07 → 2011-03-10Underwater operations in progress until further notice by M/V ile de re in 38-59S 146-58E
- HYDROPAC 660/11 · Surveys2011-03-02 → 2011-03-07Underwater operations in progress until further notice by M/V ile de re in 38-32.0S 147-04.3E
- HYDROPAC 461/11 · Nav aids2011-02-10 → 2011-02-10Nga chart 75170 (12TH ed)
- HYDROPAC 436/11 · Nav aids2011-02-08 → 2011-02-08Nga chart 75035 (18TH ed)
- HYDROPAC 37/11 · Nav aids2011-01-04 → 2011-01-05Hogan island light 39-13.2S 146-59.7E unlit
- HYDROPAC 2221/10 · Nav aids2010-10-24 → 2010-10-25Nga chart 75220 (12TH ed)
- HYDROPAC 1894/10 · Nav aids2010-09-17 → 2010-09-17Nga chart 75035 (18TH ed)
- HYDROPAC 355/10 · Nav aids2010-02-24 → 2010-02-27Nga chart 75170 (12TH ed)
- HYDROPAC 342/10 · Nav aids2010-02-21 → 2010-02-22Nga chart 75035 (18TH ed)
- HYDROPAC 1036/09 · Nav aids2009-06-03 → 2009-06-03Nga chart 75170 (12TH ed)
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.