Southern Ocean
IHO sea area 67 · -180° to 180° E, -86° to -60° N
- in force
- 3
- last 12 months
- 5
- since 1999
- 3,133
- categories
- 9
In force now · 3
- HYDROLANT 1570/26 · Icebergs2026-08-14Icebergs reported in the Scotia Sea and Antarctica at several coordinates; message cancels August 15, 2026, 06:32 UTC.
- HYDROPAC 2289/26 · Missiles2026-08-10Space debris hazard operations daily 13 to 26 August, 2100Z to 1800Z, in the South Pacific.
- HYDROLANT 1279/26 · Icebergs2026-06-30Icebergs are reported in South Atlantic, South Pacific, and Antarctica at positions A81, A84, A85, D33A, D33C; cancel message 011327Z July 26.
Longest in force
- HYDROLANT 1279/26 · Icebergs2026-06-30Icebergs are reported in South Atlantic, South Pacific, and Antarctica at positions A81, A84, A85, D33A, D33C; cancel message 011327Z July 26.
- HYDROPAC 2289/26 · Missiles2026-08-10Space debris hazard operations daily 13 to 26 August, 2100Z to 1800Z, in the South Pacific.
- HYDROLANT 1570/26 · Icebergs2026-08-14Icebergs reported in the Scotia Sea and Antarctica at several coordinates; message cancels August 15, 2026, 06:32 UTC.
By year
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
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
By category · since 1997
| Icebergs | 2,992 | 95% |
| Surveys | 42 | 1% |
| Missiles | 38 | 1% |
| Nav aids | 24 | 1% |
| Other | 18 | 1% |
| Wrecks | 12 | 0% |
| Derelicts | 4 | 0% |
| Exercises | 2 | 0% |
| Containers | 1 | 0% |
Archive · 3,130 cancelled
- HYDROPAC 820/03 · Icebergs2003-05-13 → 2003-05-20Icebergs reported on 12 may in: a. A-38A, 22 miles by 48 miles in 59-30S 050-18W
- HYDROPAC 764/03 · Icebergs2003-05-02 → 2003-05-09Icebergs reported on 01 may in: a. A-38A, 22 miles by 48 miles in 60-42S 052-24W
- HYDROPAC 744/03 · Wrecks2003-04-27 → 2003-08-3014 meter depth reported in 66-34.0S 067-47.9W
- HYDROPAC 680/03 · Icebergs2003-04-18 → 2003-04-25Icebergs reported on 17 apr in: a. A-38A, 22 miles by 48 miles in 61-00S 052-36W
- HYDROPAC 650/03 · Icebergs2003-04-12 → 2003-04-18Icebergs reported on 11 apr in: a. A-38A, 22 miles by 48 miles in 61-00S 052-36W
- HYDROPAC 618/03 · Icebergs2003-04-07 → 2003-04-12Icebergs reported on 06 apr in: a. A-38A, 22 miles by 48 miles in 61-12S 053-24W
- HYDROPAC 588/03 · Icebergs2003-04-02 → 2003-04-07Icebergs reported on 01 apr in: a. A-38A, 22 miles by 48 miles in 61-12S 051-48W
- HYDROPAC 535/03 · Icebergs2003-03-25 → 2003-04-01Icebergs reported on 25 mar in: a. A-38A, 22 miles by 48 miles in 61-24S 051-54W
- HYDROPAC 462/03 · Icebergs2003-03-15 → 2003-03-22Icebergs reported on 14 mar in: a. A-38A, 22 miles by 48 miles in 61-42S 052-24W
- HYDROPAC 416/03 · Icebergs2003-03-09 → 2003-03-15Icebergs reported on 08 mar in: a. A-38A, 22 miles by 48 miles in 61-54S 052-42W
- HYDROPAC 369/03 · Icebergs2003-03-01 → 2003-03-08Icebergs reported on 28 feb in: a. A-38A, 22 miles by 48 miles in 62-24S 053-30W
- HYDROLANT 438/03 · Icebergs2003-02-26 → 2003-03-04Icebergs reported: a. in 47-15.8S 059-15.8W
- HYDROPAC 341/03 · Icebergs2003-02-25 → 2003-03-04Icebergs reported: a. in area between 63-12.8S 63-18.3S and 060-34.1W 060-42.0W
- HYDROLANT 430/03 · Icebergs2003-02-25 → 2003-02-26Icebergs reported: a. in 47-15.8S 059-15.8W
- HYDROPAC 340/03 · Icebergs2003-02-25 → 2003-03-01Icebergs reported on 23 feb in: a. A-38A, 22 miles by 48 miles in 62-24S 053-12W
- HYDROPAC 283/03 · Icebergs2003-02-16 → 2003-02-23Icebergs reported on 15 feb in: a. A-38A, 22 miles by 48 miles in 63-06S 053-12W
- HYDROPAC 211/03 · Icebergs2003-02-05 → 2003-02-12Icebergs reported on 03 feb in: a. A-38A, 22 miles by 48 miles in 63-18S 052-54W
- HYDROPAC 195/03 · Containers2003-02-03 → 2003-02-06Container adrift in 60-17S 142-05E at 030900Z feb
- HYDROPAC 148/03 · Icebergs2003-01-28 → 2003-02-04Icebergs reported: a. in 47-15.8S 059-15.8W
- HYDROLANT 197/03 · Icebergs2003-01-28 → 2003-02-04Icebergs reported: a. in 47-15.8S 059-15.8W
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.