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 1801/15 · Cable ops2015-06-02 → 2015-06-18
    Seismic survey in progress until 25 jun by M/V cgg amadeus towing eight 6000 meter long cables in area bound…
  2. HYDROPAC 1741/15 · Exercises2015-05-27 → 2015-06-30
    Gunnery exercises 0001Z to 0900Z daily 01 thru 05, 08, 11, 12, 15 thru 19, 22 thru 26, 29 and 30 jun, 0001Z…
  3. HYDROPAC 1683/15 · Other2015-05-22 → 2015-05-22
    F/V qng 94798-TS reports crewman requiring medical assistance in 16-40N 109-30E at 212100Z may
  4. HYDROPAC 1562/15 · Cable ops2015-05-12 → 2015-06-01
    Cable repair operations in progress until 31 may by cableship asean explorer in area bound by 05-48.8N…
  5. HYDROPAC 1462/15 · Exercises2015-05-01 → 2015-05-29
    Gunnery exercises 0001Z to 0900Z daily 01, 07, 14, 18, 21 and 28 may and 0001Z to 1000Z daily 04 thru 06,…
  6. HYDROPAC 1440/15 · Cable ops2015-04-29 → 2015-05-31
    Cable operations 02 thru 30 may by cableship cable retriever along trackline joining 09-32.57N 108-35.00E,…
  7. HYDROPAC 1434/15 · Exercises2015-04-29 → 2015-05-01
    Gunnery exercises in progress until 30 apr in area bound by 14-04.8N 119-47.5E, 14-04.8N 119-06.2E, 14-25.6N…
  8. HYDROPAC 1414/15 · Cable ops2015-04-28 → 2015-05-16
    Pipeline operations 30 apr thru 15 may in area bound by 10-01-03N 107-58-40E, 09-59-05N 108-01-20E,…
  9. HYDROPAC 1391/15 · Exercises2015-04-26 → 2015-05-31
    Gunnery exercises 0100Z to 0300Z and 0600Z to 0800Z daily 01 thru 31 may: a. in area bound by 24-48N…
  10. HYDROPAC 1341/15 · Cable ops2015-04-22 → 2015-05-26
    Seismic survey 24 apr thru 25 may by M/V cgg amadeus towing eight 6000 meter long cables in area bound by…
  11. HYDROPAC 1340/15 · Piracy2015-04-22 → 2015-04-29
    M/V reports act of piracy vicinity 03-36N 104-18E at 201558Z apr
  12. HYDROPAC 1310/15 · Surveys2015-04-18 → 2015-06-20
    Underwater operations 19 apr thru 19 jun by dredge long chau and dredge long chau 02 within 1000 meters of…
  13. HYDROPAC 1305/15 · Piracy2015-04-18 → 2015-04-26
    M/V reports act of piracy in 01-03N 103-40E at 160230Z apr
  14. HYDROPAC 1265/15 · Cable ops2015-04-15 → 2015-04-22
    Seismic survey in progress until 21 apr by M/V cgg amadeus towing eight 6000 meter long cables in area bound…
  15. HYDROPAC 1242/15 · Other2015-04-13 → 2015-04-15
    F/V qna 91468-TS reports crewman requiring medical assistance in 17-45N 114-44E at 130930Z apr
  16. HYDROPAC 1218/15 · Other2015-04-11 → 2015-04-21
    Pipelaying operations 12 thru 20 apr by M/V ptsc researcher along trackline joining 10-01-03N 107-58-40E,…
  17. HYDROPAC 1190/15 · Exercises2015-04-08 → 2015-04-10
    Gunnery exercises 09 apr in area bound by 18-39.8N 121-30.9E, 18-39.7N 121-40.4E, 18-38.2N 121-40.4E,…
  18. HYDROPAC 1151/15 · Piracy2015-04-03 → 2015-04-10
    M/V reports act of piracy vicinity 02-09.5N 107-32.3E at 011303Z apr
  19. HYDROPAC 1124/15 · Exercises2015-04-01 → 2015-04-30
    Gunnery exercises 2300Z to 1000Z commencing daily 05 thru 29 apr: a. in area bound by 25-48.0N 120-48.0E,…
  20. HYDROPAC 1098/15 · Exercises2015-03-31 → 2015-04-30
    Gunnery exercises 0001Z to 0900Z daily 01 thru 03, 06 thru 10, 13 thru 17, 20 thru 24 and 27 thru 30 apr: a.…

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