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
- HYDROLANT 2601/19 · Icebergs2019-08-26 → 2019-08-27Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2592/19 · Icebergs2019-08-25 → 2019-08-26Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2586/19 · Icebergs2019-08-24 → 2019-08-24Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2570/19 · Icebergs2019-08-23 → 2019-08-24Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2558/19 · Icebergs2019-08-22 → 2019-08-23Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2551/19 · Icebergs2019-08-21 → 2019-08-22Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2543/19 · Icebergs2019-08-20 → 2019-08-21Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2528/19 · Icebergs2019-08-19 → 2019-08-20Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2516/19 · Icebergs2019-08-18 → 2019-08-19Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2511/19 · Icebergs2019-08-17 → 2019-08-18Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2487/19 · Icebergs2019-08-15 → 2019-08-16Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2451/19 · Icebergs2019-08-11 → 2019-08-12Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2449/19 · Icebergs2019-08-10 → 2019-08-11Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2406/19 · Icebergs2019-08-06 → 2019-08-07Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2393/19 · Icebergs2019-08-05 → 2019-08-06Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2375/19 · Icebergs2019-08-02 → 2019-08-03Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2357/19 · Icebergs2019-08-01 → 2019-08-02Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2349/19 · Icebergs2019-07-31 → 2019-08-01Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2334/19 · Icebergs2019-07-30 → 2019-07-31Icebergs reported in: a. A64, 69-44S 060-59W
- HYDROLANT 2317/19 · Icebergs2019-07-29 → 2019-07-30Icebergs reported in: a. A64, 69-44S 060-59W
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.