South China Sea
IHO sea area 49 · 102° to 122° E, -3° to 26° N
- in force
- 10
- last 12 months
- 6
- since 1993
- 2,321
- categories
- 13
In force now · 10
- HYDROPAC 2249/26 · Surveys2026-08-06Survey operations by vessel PXGEO 2 towing eight 5-mile cables continue until 31 December in Gulf of Thailand and South China Sea; wide berth requested.
- NAVAREA XI 356/26 · Cable ops2026-08-06Seismic survey by vessel PXGEO 2 towing eight 5-mile cables in the southern Gulf of Thailand and South China Sea until 31 December 2026.
- HYDROPAC 2099/26 · Cable ops2026-07-21Cable operations are underway in the East China Sea by the cableship ILE DE RE until further notice; wide berth requested.
- NAVAREA XI 329/26 · Cable ops2026-07-21Cable ship Ile de Re is laying submarine cable in the Taiwan Strait until further notice.
- HYDROPAC 2412/25 · Wrecks2025-09-19Dangerous wreck in South China Sea off Vietnam at 10-22.31N 107-46.96E.
- NAVAREA XI 437/25 · Wrecks2025-09-19Sunken wreck exists in northern South China Sea at 10-22.31N 107-46.96E.
- NAVAREA XI 435/23 · Nav aids2023-12-04The Manila NAVTEX station at 14 degrees 30.3 minutes north, 121 degrees 3.9 minutes east is inoperative until further notice.
- NAVAREA XI 153/20 · Wrecks2020-04-06A yellow observation buoy is reported at 19-20.6N 113-45.9E in the northern South China Sea on 04 Apr.
- NAVAREA XI 664/19 · Wrecks2019-11-21An oil rig is reported to exist in the southern South China Sea at 07-42.1N 107-55.8E.
- NAVAREA XI 132/19 · Wrecks2019-03-07An oil rig is reported at 07-47.5N 108-12.0E in the southern South China Sea, and previous warnings are cancelled.
Longest in force
- NAVAREA XI 132/19 · Wrecks2019-03-07An oil rig is reported at 07-47.5N 108-12.0E in the southern South China Sea, and previous warnings are cancelled.
- NAVAREA XI 664/19 · Wrecks2019-11-21An oil rig is reported to exist in the southern South China Sea at 07-42.1N 107-55.8E.
- NAVAREA XI 153/20 · Wrecks2020-04-06A yellow observation buoy is reported at 19-20.6N 113-45.9E in the northern South China Sea on 04 Apr.
- NAVAREA XI 435/23 · Nav aids2023-12-04The Manila NAVTEX station at 14 degrees 30.3 minutes north, 121 degrees 3.9 minutes east is inoperative until further notice.
- NAVAREA XI 437/25 · Wrecks2025-09-19Sunken wreck exists in northern South China Sea at 10-22.31N 107-46.96E.
By year
93
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 · since 1997
| Cable ops | 570 | 25% |
| Exercises | 560 | 24% |
| Other | 307 | 13% |
| Derelicts | 303 | 13% |
| Wrecks | 154 | 7% |
| Piracy | 137 | 6% |
| Surveys | 135 | 6% |
| Nav aids | 50 | 2% |
| Missiles | 49 | 2% |
| Containers | 35 | 2% |
| Debris | 13 | 1% |
| Towing | 7 | 0% |
| Volcanic | 1 | 0% |
Archive · 2,311 cancelled
- HYDROPAC 1775/09 · Derelicts2009-10-02 → 2009-10-05Derelict barge, black hull, adrift vicinity 14-12.7N 109-59.59E at 011118Z oct
- HYDROPAC 1771/09 · Cable ops2009-10-02 → 2009-10-09Cable repair operations in progress until 08 oct by cableship asean restorer vicinity of trackline joining…
- HYDROPAC 1758/09 · Exercises2009-09-30 → 2009-10-16Gunnery exercises 0001Z to 0400Z and 0500Z to 0900Z daily 09 and 12 thru 16 oct within 29 miles of 22-34N…
- HYDROPAC 1756/09 · Derelicts2009-09-30 → 2009-10-03Derelict barge, black hull, adrift vicinity 10-15.3N 110-12.3E at 292300Z sep
- HYDROPAC 1746/09 · Other2009-09-29 → 2009-10-02Ten meter long object, partially submerged, adrift vicinity 18-03.2N 119-49.1E at 280854Z sep
- HYDROPAC 1738/09 · Exercises2009-09-26 → 2009-10-16Gunnery exercises 0100Z to 0900Z daily 01, 02, 05 thru 09, 12 thru 16, 19 thru 23 and 26 thru 30 oct within…
- HYDROPAC 1733/09 · Exercises2009-09-26 → 2009-10-08Gunnery exercises 2300Z to 0900Z commencing daily 27 sep thru 01 oct and 05 thru 07 oct within 31 miles of…
- HYDROPAC 1697/09 · Piracy2009-09-20 → 2009-10-04Six pirates armed with knives and machetes boarded a chemical tanker underway from astern using ropes in…
- HYDROPAC 1676/09 · Derelicts2009-09-17 → 2009-09-20Derelict barge yew choon marine 12 adrift in 21-56.82N 113-55.19E at 150750Z sep
- HYDROPAC 1664/09 · Derelicts2009-09-15 → 2009-09-16Derelict F/V, orange hull with white and blue stripe, partially submerged and adrift in 06-25.3N 107-38.8E…
- HYDROPAC 1659/09 · Derelicts2009-09-15 → 2009-09-18Derelict F/V, orange hull with white and blue stripes, partially submerged and adrift in 06-25.3N 107-38.8E
- HYDROPAC 1652/09 · Cable ops2009-09-14 → 2009-10-03Cable repair operations 16 thru 29 sep, alternate 30 sep thru 02 oct by M/V kdd ocean link in area bound by…
- HYDROPAC 1650/09 · Cable ops2009-09-14 → 2009-10-01Seismic survey 14 thru 30 sep by M/V orient explorer towing four 6000 meter long cables in area bound by…
- HYDROPAC 1646/09 · Cable ops2009-09-13 → 2009-09-19Cable repair operations in progress until further notice by cableship cable retriever along trackline…
- HYDROPAC 1635/09 · Cable ops2009-09-11 → 2009-09-13Cable repair operations in progress until 14 sep by cableship cable retriever along trackline between 21-48N…
- HYDROPAC 1585/09 · Cable ops2009-09-03 → 2009-10-08Seismic survey 08 sep thru 08 oct by M/V ramform explorer towing eight 6000 meter long cables in area bound…
- HYDROPAC 1577/09 · Exercises2009-09-02 → 2009-09-21Gunnery exercises 0001Z to 0900Z daily 07, 14 and 21 sep within ten miles of 23-34.9N 119-10.5E
- HYDROPAC 1534/09 · Cable ops2009-08-27 → 2009-09-26Seismic survey 28 aug thru 25 sep by M/V cgg alize towing ten 6000 meter long cables in area bound by 06-12N…
- HYDROPAC 1523/09 · Cable ops2009-08-26 → 2009-09-16Cable repair operations in progress until 15 sep by cableship fu hai vicinity of trackline joining 16-55.6N…
- HYDROPAC 1521/09 · Derelicts2009-08-25 → 2009-09-01Derelict 300 foot barge matahari 3018 adrift vicinity 14-43.8N 114-26.8E at 251100Z aug
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.