Philippine Sea

IHO sea area 56 · 120° to 146° E, 3° to 35° N

in force
14
last 12 months
5
since 1996
1,700
categories
11

In force now · 14

  1. HYDROPAC 2325/26 · Exercises2026-08-12
    Hazardous operations occur daily August 18-20, 0100Z to 1300Z, within three miles of two positions near Guam in the Philippine Sea.
  2. NAVAREA XI 355/26 · Nav aids2026-08-05
    The No. 3 light buoy at Futami Ko, Chichi Shima, Nanpo Shoto, is extinguished.
  3. HYDROPAC 1978/26 · Other2026-07-10
    Due to Tropical Storm Bavi, Rota Island port is closed, while Apra Harbor and Tinian ports have reopened.
  4. HYDROPAC 2242/25 · Volcanic2025-09-02
    Volcanic activity is reported at Io-To in vicinity of 24-45.00N 141-17.3E.
  5. HYDROPAC 3535/24 · Nav aids2024-11-14
    Cape Santiago light at 13-46.32N 120-39.18E is unlit in the South China Sea, Philippines.
  6. NAVAREA XI 597/24 · Nav aids2024-11-14
    Cape Santiago Light (F2614) in the North Pacific, Philippines, at 13-46.32N 120-39.18E, is extinguished.
  7. NAVAREA XI 491/24 · Volcanic2024-09-19
    Discoloured water observed near Nanpo Shoto at 31-26.4N 140-03.0E on September 18, 2024 at 0545Z. Vessels advised caution.
  8. NAVAREA XI 492/24 · Volcanic2024-09-19
    As of September 19, a volcanic warning for Sumisu Shima at 31-26.3N 140-03.0E expects eruption influence around the volcano.
  9. NAVAREA XI 207/23 · Volcanic2023-06-14
    Discoloured water and submarine volcanic eruption continue near 24-17.2N 141-28.8E, North Pacific, Nanpo Shoto, at 140350Z June. Caution advised.
  10. NAVAREA XI 206/23 · Volcanic2023-06-14
    On June 14, discoloured water was observed near 25-27.1N 141-14.5E in Nanpo Shoto; vessels advised caution.
  11. NAVAREA XI 326/21 · Volcanic2021-10-13
    Discoloured water observed extending south for 5 miles, 2 miles wide, from 27-16.7N 140-56.6E at 120643Z October.
  12. NAVAREA XI 325/21 · Volcanic2021-10-12
    Discoloured water observed within about 0.7 miles of 27-13.6N 140-55.3E in North Pacific, Nanpo Shoto, at 120643Z Oct.
  13. NAVAREA XI 231/21 · Volcanic2021-07-13
    Discoloured water is sighted near Nanpo Shoto at 24-48.8N 141-19.2E, July 13, 08:00 UTC. Vessels advised caution.
  14. NAVAREA XI 488/20 · Volcanic2020-12-18
    Volcanic warning for Nishino Shima at 27-14.6N 140-52.7E, eruption influence expected within 0.9 mile, canceling warnings 0037 and 0316/20.

Longest in force

  1. NAVAREA XI 488/20 · Volcanic2020-12-18
    Volcanic warning for Nishino Shima at 27-14.6N 140-52.7E, eruption influence expected within 0.9 mile, canceling warnings 0037 and 0316/20.
  2. NAVAREA XI 231/21 · Volcanic2021-07-13
    Discoloured water is sighted near Nanpo Shoto at 24-48.8N 141-19.2E, July 13, 08:00 UTC. Vessels advised caution.
  3. NAVAREA XI 325/21 · Volcanic2021-10-12
    Discoloured water observed within about 0.7 miles of 27-13.6N 140-55.3E in North Pacific, Nanpo Shoto, at 120643Z Oct.
  4. NAVAREA XI 326/21 · Volcanic2021-10-13
    Discoloured water observed extending south for 5 miles, 2 miles wide, from 27-16.7N 140-56.6E at 120643Z October.
  5. NAVAREA XI 207/23 · Volcanic2023-06-14
    Discoloured water and submarine volcanic eruption continue near 24-17.2N 141-28.8E, North Pacific, Nanpo Shoto, at 140350Z June. Caution advised.

By year

96
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

Exercises91854%
Cable ops1529%
Other1378%
Derelicts1177%
Surveys1117%
Volcanic966%
Missiles925%
Nav aids282%
Debris262%
Containers131%
Wrecks101%

Archive · 1,686 cancelled

  1. HYDROPAC 786/05 · Exercises2005-05-13 → 2005-05-14
    Gunnery exercises 140430Z thru 140830Z may within 10 miles of 25-12N 139-30E
  2. HYDROPAC 760/05 · Surveys2005-05-07 → 2005-10-21
    Survey operations in progress until 20 oct by M/V tairikudana towing 6000 meter long cable in areas bound…
  3. HYDROPAC 758/05 · Surveys2005-05-06 → 2005-05-07
    Survey operations in progress until 20 oct by M/V tairikudana towing 6000 meter long cable in areas bound…
  4. HYDROPAC 415/05 · Debris2005-03-09 → 2005-03-16
    Odas buoy adrift vicinity 28-38.5N 136-06.8E at 090001Z mar
  5. HYDROPAC 408/05 · Exercises2005-03-07 → 2005-03-08
    Hazardous operations 072300Z to 080600Z mar in 13-27.7N 144-38.5E
  6. HYDROPAC 380/05 · Exercises2005-03-01 → 2005-03-03
    Hazardous operations in progress until 030400Z mar within 200 yards of 13-27-42N 144-38-30E
  7. HYDROPAC 269/05 · Other2005-02-12 → 2005-02-16
    Underwater detonations 160100Z to 160300Z feb within 200 yards of 07-31-45N 134-29-00E
  8. HYDROPAC 206/05 · Volcanic2005-02-01 → 2005-06-01
    Discolored water vicinity 24-17N 141-29E at 010520Z feb
  9. HYDROPAC 1866/04 · Surveys2004-12-03 → 2004-12-29
    Survey operations 07 thru 28 dec by M/V kairei towing 5500 meter long cable along tracklines between: a.…
  10. HYDROPAC 1861/04 · Surveys2004-12-02 → 2004-12-03
    Survey operations 07 and 08 dec by M/V kairei towing 5500 meter long cable along tracklines between: a.…
  11. HYDROPAC 1811/04 · Surveys2004-11-19 → 2004-11-30
    Submarine research operations during daylight hours daily 24 thru 29 nov by M/V kairei with submersible…
  12. NAVAREA XII 274/04 · Other2004-10-26 → 2004-11-05
    Underwater ordnance detonations 2200Z to 0200Z commencing daily 31 oct thru 04 nov within 300 meters of…
  13. HYDROPAC 1559/04 · Surveys2004-09-30 → 2004-10-31
    Survey operations 05 thru 30 oct by M/V kairei towing 5000 meter long cable along tracklines between: a.…
  14. HYDROPAC 1545/04 · Other2004-09-27 → 2004-10-04
    20 foot long steel cylinder adrift in 23-57.1N 125-15.8E
  15. HYDROPAC 1487/04 · Exercises2004-09-16 → 2004-09-17
    Hazardous operations 162100Z to 170300Z sep in area bound by 26-23N 128-20E, 27-06N 129-10E, 27-06N 131-00E,…
  16. HYDROPAC 1329/04 · Containers2004-08-14 → 2004-08-21
    Container adrift vicinity 26-49.4N 132-05.8E at 140528Z aug
  17. HYDROPAC 1320/04 · Other2004-08-12 → 2004-08-18
    Underwater ordnance detonations 172200Z to 180800Z aug within ten miles of 13-25N 143-40E
  18. HYDROPAC 1306/04 · Containers2004-08-10 → 2004-08-16
    Container adrift vicinity 24-13.0N 136-18.7E at 090830Z aug
  19. HYDROPAC 1269/04 · Exercises2004-08-05 → 2004-08-09
    Hazardous operations 090815Z to 090845Z aug, alternate 0815Z to 0845Z daily 10 aug thru 30 sep within 32.4…
  20. HYDROPAC 1239/04 · Nav aids2004-07-30 → 2005-06-16
    Odas buoy established in 07-58.8N 130-02.1E

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