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 1701/19 · Exercises2019-05-22 → 2019-05-25
    Hazardous operations 222300Z to 231330Z may, alternate 242300Z to 251330Z may in areas bound by: a.…
  2. HYDROPAC 1613/19 · Cable ops2019-05-13 → 2019-05-17
    Cable operations 130900Z to 201459Z may by cableship lodbrog in area bound by 21-53.2N 115-04.0E, 21-52.7N…
  3. HYDROPAC 1599/19 · Other2019-05-11 → 2019-05-31
    F/V qb 93473 ts reports crewman requiring medical assistance in 17-41N 108-41E at 111110Z may
  4. HYDROPAC 1573/19 · Wrecks2019-05-09 → 2020-01-17
    Dangerous wreck in 20-13.42N 106-50.13E
  5. HYDROPAC 1562/19 · Wrecks2019-05-09 → 2019-05-09
    Vessel phuong nam 09 sank in 20-13N 106-50E at 082345Z may
  6. HYDROPAC 1538/19 · Cable ops2019-05-07 → 2019-05-13
    Cable operations 071200Z to 142359Z may by cableship lodbrog in area bound by 22-11.3N 114-31.4E 22-10.4N…
  7. HYDROPAC 1450/19 · Cable ops2019-04-30 → 2019-05-07
    Cable operations 010200Z to 082359Z may by cableship lodbrog in area bound by 20-09.8N 114-10.7E, 20-09.9N…
  8. HYDROPAC 1393/19 · Derelicts2019-04-25 → 2019-04-27
    F/V dna 91087 ts drifting due to engine failure in 16-59N 108-35E at 220400Z apr
  9. HYDROPAC 1392/19 · Wrecks2019-04-25 → 2020-01-17
    Dangerous wreck in 20-12.10N 107-04.79E
  10. HYDROPAC 1391/19 · Wrecks2019-04-25 → 2019-10-18
    Dangerous wreck in 20-43.41N 106-59.90E
  11. HYDROPAC 1312/19 · Cable ops2019-04-18 → 2019-10-16
    Survey and pipeline operations in progress until 15 oct by M/V ptsc thang long along trackline joining…
  12. HYDROPAC 1293/19 · Exercises2019-04-16 → 2019-04-21
    Gunnery exercises 0100Z to 0900Z daily 18 thru 20 apr, alternate 210100Z to 210900Z apr in area bound by…
  13. HYDROPAC 1240/19 · Surveys2019-04-12 → 2019-06-07
    Survey operations in progress until 06 jun by M/V elsa regent towing 10000 meter long cable in area bound by…
  14. HYDROPAC 1225/19 · Surveys2019-04-11 → 2019-06-26
    Survey operations in progress until 25 jun in area bound by 11-50.00N 109-16.00E, 11-50.00N 109-25.53E,…
  15. HYDROPAC 1217/19 · Surveys2019-04-11 → 2019-04-12
    Survey operations in progress until 02 jun by M/V elsa regent towing 10000 meter long cable in area bound by…
  16. HYDROPAC 1211/19 · Surveys2019-04-10 → 2019-04-11
    Survey operations 11 apr thru 02 jun by M/V elsa regent towing 10000 meter long cable in area bound by…
  17. HYDROPAC 1167/19 · Exercises2019-04-06 → 2019-04-09
    Gunnery exercises 080230Z to 080400Z apr, alternate 090001Z to 090130Z apr in areas bound by: a. 08-38.92N…
  18. HYDROPAC 1072/19 · Surveys2019-03-31 → 2019-04-25
    Survey operations 05 thru 24 apr by M/V fugro equinox in areas bound by: a. 16-26.11N 108-43.18E, 16-29.85N…
  19. HYDROPAC 1063/19 · Cable ops2019-03-30 → 2019-04-11
    Cable operations 310800Z to 102359Z apr by cableship lodbrog in area bound by 17-32.3N 117-54.1E, 17-27.5N…
  20. HYDROPAC 1029/19 · Other2019-03-28 → 2019-03-28
    F/V qna 90767TS reports crewman requiring medical assistance in 16-35N 109-40E at 271800Z mar

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