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 330/00 · Derelicts2000-02-26 → 2000-03-04
    Derelict F/V partially submerged and adrift in 05-06.3N 106-45.4E at 260558Z feb
  2. HYDROPAC 288/00 · Containers2000-02-18 → 2000-02-25
    Container adrift vicinity 14-16.7N 114-20.8E at 172310Z feb
  3. HYDROPAC 268/00 · Containers2000-02-14 → 2000-02-21
    Container adrift vicinity 14-46-36N 115-05-18E at 141005Z feb
  4. HYDROPAC 252/00 · Wrecks2000-02-11 → 2001-07-31
    Dangerous wreck in 00-31-48S 104-05-18E
  5. HYDROPAC 245/00 · Other2000-02-10 → 2000-02-15
    Underwater ordnance detonations 150300Z to 150700Z feb vicinity 03-10N 105-01E
  6. HYDROPAC 215/00 · Cable ops2000-02-03 → 2000-02-06
    Underwater cable operations in progress until further notice by cableship fu lai vicinity of trackline…
  7. HYDROPAC 181/00 · Derelicts2000-01-28 → 2000-02-04
    Vessel yiaw yang adrift in 15-01.4N 117-12.9E at 280452Z jan
  8. HYDROPAC 131/00 · Containers2000-01-24 → 2000-01-31
    Partially submerged container adrift in 10-50.3N 110-27.4E
  9. HYDROPAC 96/00 · Wrecks2000-01-18 → 2001-06-01
    Dangerous wreck in 23-40.2N 119-59.8E
  10. HYDROPAC 59/00 · Nav aids2000-01-12 → 2000-02-07
    Port walcott C1 buoy 20-23.5N 117-25.8E off station and RACON temporarily discontinued
  11. HYDROPAC 35/00 · Other2000-01-07 → 2000-01-08
    Hydrographic operations in progress until 081000Z jan in areas: a. bound by 16-20N 118-25E, 16-20N 117-30E,…
  12. HYDROPAC 31/00 · Other2000-01-06 → 2000-01-07
    Hydrographic operations 062100Z to 081000Z jan in areas: a. bound by 17-15N 118-15E, 17-15N 117-15E,…
  13. HYDROPAC 1451/99 · Nav aids1999-12-24 → 2000-01-12
    Port walcott C1 buoy 20-23.5N 117-25.8E off station
  14. HYDROPAC 1426/99 · Other1999-12-19 → 2000-02-04
    F/V sunk in 08-53N 108-49E at 190400Z dec
  15. HYDROPAC 1367/99 · Exercises1999-12-08 → 1999-12-18
    Gunnery exercises 122300Z to 131400Z, 132300Z to 141400Z, 142300Z to 162300Z, 170100Z to 171400Z and 180001Z…
  16. HYDROPAC 1300/99 · Exercises1999-11-24 → 1999-12-04
    Gunnery exercises 282300Z to 291400Z, 292300Z to 301400Z, 302300Z nov to 012300Z, 030001Z to 031400Z and…
  17. HYDROPAC 1189/99 · Wrecks1999-11-05 → 2000-03-31
    Dangerous wreck vicinity 00-49.8S 104-27.0E
  18. HYDROPAC 1108/99 · Other1999-10-18 → 1999-11-20
    Underwater coring operations 0100Z to 1200Z daily until 20 nov by M/V sinaran laut in area bound by 04-00N…
  19. HYDROPAC 1098/99 · Exercises1999-10-18 → 1999-10-23
    Gunnery exercises 172300Z to 191400Z, 192300Z to 202300Z, 210001Z to 221400Z and 230001Z to 230600Z oct in…
  20. HYDROPAC 1077/99 · Wrecks1999-10-12 → 2000-06-09
    Stranded wreck reported in 10-17.2N 116-33.2E

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