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

  1. HYDROPAC 2249/26 · Surveys2026-08-06
    Survey 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.
  2. NAVAREA XI 356/26 · Cable ops2026-08-06
    Seismic survey by vessel PXGEO 2 towing eight 5-mile cables in the southern Gulf of Thailand and South China Sea until 31 December 2026.
  3. HYDROPAC 2099/26 · Cable ops2026-07-21
    Cable operations are underway in the East China Sea by the cableship ILE DE RE until further notice; wide berth requested.
  4. NAVAREA XI 329/26 · Cable ops2026-07-21
    Cable ship Ile de Re is laying submarine cable in the Taiwan Strait until further notice.
  5. HYDROPAC 2412/25 · Wrecks2025-09-19
    Dangerous wreck in South China Sea off Vietnam at 10-22.31N 107-46.96E.
  6. NAVAREA XI 437/25 · Wrecks2025-09-19
    Sunken wreck exists in northern South China Sea at 10-22.31N 107-46.96E.
  7. NAVAREA XI 435/23 · Nav aids2023-12-04
    The Manila NAVTEX station at 14 degrees 30.3 minutes north, 121 degrees 3.9 minutes east is inoperative until further notice.
  8. NAVAREA XI 153/20 · Wrecks2020-04-06
    A yellow observation buoy is reported at 19-20.6N 113-45.9E in the northern South China Sea on 04 Apr.
  9. NAVAREA XI 664/19 · Wrecks2019-11-21
    An oil rig is reported to exist in the southern South China Sea at 07-42.1N 107-55.8E.
  10. NAVAREA XI 132/19 · Wrecks2019-03-07
    An 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

  1. NAVAREA XI 132/19 · Wrecks2019-03-07
    An oil rig is reported at 07-47.5N 108-12.0E in the southern South China Sea, and previous warnings are cancelled.
  2. NAVAREA XI 664/19 · Wrecks2019-11-21
    An oil rig is reported to exist in the southern South China Sea at 07-42.1N 107-55.8E.
  3. NAVAREA XI 153/20 · Wrecks2020-04-06
    A yellow observation buoy is reported at 19-20.6N 113-45.9E in the northern South China Sea on 04 Apr.
  4. NAVAREA XI 435/23 · Nav aids2023-12-04
    The Manila NAVTEX station at 14 degrees 30.3 minutes north, 121 degrees 3.9 minutes east is inoperative until further notice.
  5. NAVAREA XI 437/25 · Wrecks2025-09-19
    Sunken 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 ops57025%
Exercises56024%
Other30713%
Derelicts30313%
Wrecks1547%
Piracy1376%
Surveys1356%
Nav aids502%
Missiles492%
Containers352%
Debris131%
Towing70%
Volcanic10%

Archive · 2,311 cancelled

  1. HYDROPAC 786/08 · Exercises2008-04-26 → 2008-04-30
    Gunnery exercises 300001Z to 300900Z apr in area bound by 14-16.5N 120-21.6E, 14-16.5N 120-17.2E, 14-12.4N…
  2. HYDROPAC 729/08 · Cable ops2008-04-17 → 2008-09-20
    Submarine cable operations 20 apr thru 19 sep vicinity of trackline joining 01-16.7N 104-08.1E and 02-34.7N…
  3. HYDROPAC 728/08 · Cable ops2008-04-17 → 2008-05-17
    Submarine cable operations 191600Z apr until further notice by cableship rene descartes vicinity of…
  4. HYDROPAC 529/08 · Nav aids2008-03-23 → 2009-12-19
    Nga chart 91025 (8TH ed)
  5. HYDROPAC 489/08 · Cable ops2008-03-15 → 2008-04-11
    Cable repair operations 18 mar thru 10 apr by M/V kdd ocean link in area bound by 16-05.3N 119-28.1E,…
  6. HYDROPAC 481/08 · Derelicts2008-03-13 → 2008-03-20
    Derelict F/V partially submerged and adrift vicinity 06-52.7N 108-05.4E
  7. HYDROPAC 443/08 · Cable ops2008-03-07 → 2008-03-09
    Cable repair operations in progress until 15 mar by M/V cable retriever vicinity of trackline between…
  8. HYDROPAC 423/08 · Derelicts2008-03-04 → 2008-03-04
    Derelict vessel partially submerged and adrift in 10-05.68N 110-52.63E at 240450Z feb
  9. HYDROPAC 410/08 · Cable ops2008-03-03 → 2008-03-11
    Cable repair operations in progress by M/V kdd ocean link until 10 mar, alternate 11 thru 13 mar in area…
  10. HYDROPAC 389/08 · Exercises2008-02-29 → 2008-03-31
    Gunnery exercises 0100Z to 0900Z daily 03 thru 07, 10 thru 14, 17 thru 21, 24 thru 28, 31 mar and 140900Z to…
  11. HYDROPAC 383/08 · Volcanic2008-02-28 → 2008-03-09
    Nga chart 93036 (10TH ed)
  12. HYDROPAC 342/08 · Derelicts2008-02-23 → 2008-02-29
    Derelict vessel partially submerged and adrift in 10-16.9N 110-53.2E at 221030Z feb
  13. HYDROPAC 306/08 · Cable ops2008-02-18 → 2008-04-02
    Pipeline operations 23 feb thru 01 apr by M/V lewek touican along trackline between 05-27.5N 105-23.0E and…
  14. HYDROPAC 238/08 · Exercises2008-02-07 → 2008-02-29
    Gunnery exercises: a. 0001Z to 0900Z daily 12 thru 14, 20, 21, and 26 thru 28 feb within ten miles of…
  15. HYDROPAC 230/08 · Cable ops2008-02-06 → 2008-04-01
    Underwater cable operations 11 feb thru 31 mar by M/V capella between trackline joining 02-21.9N 103-54.0E…
  16. HYDROPAC 131/08 · Cable ops2008-01-23 → 2008-02-06
    Submarine cable operations 24 jan thru 22 feb by cableship asean restorer vicinity of trackline between…
  17. HYDROPAC 2289/07 · Cable ops2007-12-30 → 2008-01-24
    Seismic survey in progress until 31 jan 08 by M/V pacific titan towing 8500 meter long cable in area bound…
  18. HYDROPAC 2284/07 · Derelicts2007-12-29 → 2008-01-05
    Derelict M/V lake glory adrift vicinity 06-49.60N 107-44.97E
  19. HYDROPAC 2251/07 · Derelicts2007-12-24 → 2008-02-10
    M/V khalijia 3 adrift and reports two crewmen injured in 14-31.0N 116-29.4E
  20. HYDROPAC 2215/07 · Derelicts2007-12-16 → 2007-12-23
    Derelict 20 meter barge adrift in 03-28.0N 109-32.3E at 150845Z dec

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.