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
- HYDROPAC 2325/26 · Exercises2026-08-12Hazardous operations occur daily August 18-20, 0100Z to 1300Z, within three miles of two positions near Guam in the Philippine Sea.
- NAVAREA XI 355/26 · Nav aids2026-08-05The No. 3 light buoy at Futami Ko, Chichi Shima, Nanpo Shoto, is extinguished.
- HYDROPAC 1978/26 · Other2026-07-10Due to Tropical Storm Bavi, Rota Island port is closed, while Apra Harbor and Tinian ports have reopened.
- HYDROPAC 2242/25 · Volcanic2025-09-02Volcanic activity is reported at Io-To in vicinity of 24-45.00N 141-17.3E.
- HYDROPAC 3535/24 · Nav aids2024-11-14Cape Santiago light at 13-46.32N 120-39.18E is unlit in the South China Sea, Philippines.
- NAVAREA XI 597/24 · Nav aids2024-11-14Cape Santiago Light (F2614) in the North Pacific, Philippines, at 13-46.32N 120-39.18E, is extinguished.
- NAVAREA XI 491/24 · Volcanic2024-09-19Discoloured water observed near Nanpo Shoto at 31-26.4N 140-03.0E on September 18, 2024 at 0545Z. Vessels advised caution.
- NAVAREA XI 492/24 · Volcanic2024-09-19As of September 19, a volcanic warning for Sumisu Shima at 31-26.3N 140-03.0E expects eruption influence around the volcano.
- NAVAREA XI 207/23 · Volcanic2023-06-14Discoloured water and submarine volcanic eruption continue near 24-17.2N 141-28.8E, North Pacific, Nanpo Shoto, at 140350Z June. Caution advised.
- NAVAREA XI 206/23 · Volcanic2023-06-14On June 14, discoloured water was observed near 25-27.1N 141-14.5E in Nanpo Shoto; vessels advised caution.
- NAVAREA XI 326/21 · Volcanic2021-10-13Discoloured water observed extending south for 5 miles, 2 miles wide, from 27-16.7N 140-56.6E at 120643Z October.
- NAVAREA XI 325/21 · Volcanic2021-10-12Discoloured water observed within about 0.7 miles of 27-13.6N 140-55.3E in North Pacific, Nanpo Shoto, at 120643Z Oct.
- NAVAREA XI 231/21 · Volcanic2021-07-13Discoloured water is sighted near Nanpo Shoto at 24-48.8N 141-19.2E, July 13, 08:00 UTC. Vessels advised caution.
- NAVAREA XI 488/20 · Volcanic2020-12-18Volcanic 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
- NAVAREA XI 488/20 · Volcanic2020-12-18Volcanic warning for Nishino Shima at 27-14.6N 140-52.7E, eruption influence expected within 0.9 mile, canceling warnings 0037 and 0316/20.
- NAVAREA XI 231/21 · Volcanic2021-07-13Discoloured water is sighted near Nanpo Shoto at 24-48.8N 141-19.2E, July 13, 08:00 UTC. Vessels advised caution.
- NAVAREA XI 325/21 · Volcanic2021-10-12Discoloured water observed within about 0.7 miles of 27-13.6N 140-55.3E in North Pacific, Nanpo Shoto, at 120643Z Oct.
- NAVAREA XI 326/21 · Volcanic2021-10-13Discoloured water observed extending south for 5 miles, 2 miles wide, from 27-16.7N 140-56.6E at 120643Z October.
- NAVAREA XI 207/23 · Volcanic2023-06-14Discoloured water and submarine volcanic eruption continue near 24-17.2N 141-28.8E, North Pacific, Nanpo Shoto, at 140350Z June. Caution advised.
By year
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By month (all years)
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By category · since 1997
| Exercises | 918 | 54% |
| Cable ops | 152 | 9% |
| Other | 137 | 8% |
| Derelicts | 117 | 7% |
| Surveys | 111 | 7% |
| Volcanic | 96 | 6% |
| Missiles | 92 | 5% |
| Nav aids | 28 | 2% |
| Debris | 26 | 2% |
| Containers | 13 | 1% |
| Wrecks | 10 | 1% |
Archive · 1,686 cancelled
- HYDROPAC 1167/10 · Missiles2010-06-04 → 2010-06-10Hazardous operations 090730Z to 090940Z jun, alternate 0730Z to 0940Z daily 10 thru 19 jun in area bound by…
- HYDROPAC 1126/10 · Exercises2010-05-30 → 2010-06-01Gunnery exercises 2300Z to 1400Z commencing daily 30 and 31 may within 31 miles of 23-26.5N 122-21.5E
- HYDROPAC 1124/10 · Exercises2010-05-30 → 2010-05-30Gunnery exercises 0100Z to 0400Z, 0600Z to 0900Z and 1110Z to 1350Z daily 31 may thru 03 jun: a. in area…
- HYDROPAC 1107/10 · Exercises2010-05-28 → 2010-06-02Gunnery exercises 0400Z to 0900Z daily 02, 09 and 16 jun within 31 miles of 23-26.5N 122-21.5E
- HYDROPAC 1098/10 · Exercises2010-05-27 → 2010-06-30Gunnery exercises 2300Z to 0400Z commencing daily 31 may thru 03 jun, 06 thru 10, 13, 14, 16, 17, 20 thru…
- HYDROPAC 1054/10 · Exercises2010-05-21 → 2010-05-26Gunnery exercises 260300Z to 260600Z may within 31 miles of 23-26.5N 122-21.5E
- HYDROPAC 1004/10 · Exercises2010-05-14 → 2010-05-21Gunnery exercises 182200Z to 191400Z and 192200Z to 201000Z may within 31 miles of 23-26.5N 122-21.5E
- HYDROPAC 953/10 · Surveys2010-05-08 → 2010-05-18Underwater operations 13 thru 17 may by M/V natsushima with submersible: a. in area between 32-02.0N…
- HYDROPAC 914/10 · Exercises2010-05-03 → 2010-05-05Gunnery exercises 050300Z to 050600Z may within 31 miles of 23-26.5N 122-21.5E
- HYDROPAC 912/10 · Exercises2010-05-03 → 2010-05-03Hazardous operations
- HYDROPAC 890/10 · Exercises2010-04-28 → 2010-05-31Gunnery exercises 2300Z to 0400Z commencing daily 02 thru 06, 09 thru 13, 16 thru 20, 23 thru 27 and 30 may…
- HYDROPAC 863/10 · Exercises2010-04-25 → 2010-04-30Hazardous operations
- HYDROPAC 862/10 · Exercises2010-04-25 → 2010-04-25Gunnery exercises 0200Z to 0400Z daily 28 and 29 apr within 14 miles of 11-30N 133-20E
- HYDROPAC 791/10 · Exercises2010-04-17 → 2010-04-23Gunnery exercises 0630Z to 0800Z daily 20 thru 23 apr within 52 miles of 21-34.0N 121-41.7E
- HYDROPAC 724/10 · Exercises2010-04-09 → 2010-04-17Gunnery exercises 0500Z to 0900Z daily 13 thru 16 apr, alternate 20 thru 23 apr within 52 miles of 21-34.0N…
- HYDROPAC 717/10 · Exercises2010-04-08 → 2010-04-14Gunnery exercises 122200Z to 131400Z and 132200Z to 141000Z apr within 31 miles of 23-26.5N 122-21.5E
- HYDROPAC 631/10 · Surveys2010-03-29 → 2010-04-06Underwater operations 03 thru 05 apr by M/V yokosuka with submersible within five miles of 19-42N 127-00E
- HYDROPAC 615/10 · Exercises2010-03-27 → 2010-04-30Gunnery exercises 2300Z to 0400Z commencing daily 31 mar, 01, 05 thru 08, 11 thru 15, 18 thru 22 and 25 thru…
- HYDROPAC 479/10 · Exercises2010-03-12 → 2010-03-18Gunnery exercises 0500Z to 0900Z daily 16 thru 18 mar within 52 miles of 21-34.0N 121-41.7E
- HYDROPAC 478/10 · Exercises2010-03-12 → 2010-03-17Gunnery exercises 170300Z thru 170800Z mar in area bound by 21-58N 132-50E, 21-49N 132-45E, 21-20N 133-53E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.