Philippine Sea
IHO sea area 56 · 120° to 146° E, 3° to 35° N
- in force
- 14
- last 12 months
- 4
- since 1996
- 1,699
- 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 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 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 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 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 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 206/23 · Volcanic2023-06-14On June 14, discoloured water was observed near 25-27.1N 141-14.5E in Nanpo Shoto; vessels advised caution.
By year
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26
By month (all years)
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By category · since 1997
| Exercises | 917 | 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 · 1,685 cancelled
- HYDROPAC 1693/21 · Exercises2021-06-08 → 2021-06-11Hazardous operations 2230Z to 0900Z daily 08 thru 10 jun in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 1655/21 · Other2021-06-03 → 2021-06-18White flare sighted in 14-18N 143-36E at 031512Z jun
- HYDROPAC 1584/21 · Derelicts2021-05-27 → 2021-05-30Derelict 25 foot vessel, white hull, partially submerged and adrift in 16-35.05N 145-47.15E at 241957Z
- HYDROPAC 1374/21 · Cable ops2021-05-07 → 2021-05-30Pipeline operations 092000Z to 300600Z may by M/V ocean guardian in area bound by 13-33-11N 144-48-27E,…
- HYDROPAC 1059/21 · Surveys2021-04-07 → 2021-04-23Underwater operations 12 thru 22 apr by M/V shinkai 6500 and M/V yokosuka in areas bound by: a. 24-00N…
- HYDROPAC 1037/21 · Exercises2021-04-05 → 2021-04-05Gunnery exercises in progress until 052100Z apr in area bound by 21-18N 132-15E, 21-58N 132-15E, 21-58N…
- HYDROPAC 936/21 · Exercises2021-03-25 → 2021-03-26Hazardous operations 252130Z to 260730Z mar in area within ten miles of 13-48N 144-42E
- HYDROPAC 916/21 · Exercises2021-03-23 → 2021-03-24Hazardous operations 232130Z to 240730Z mar in area within five miles of 13-28-48N 144-24-36E
- HYDROPAC 896/21 · Cable ops2021-03-21 → 2021-03-31Cable operations in progress until further notice by M/V aniek in vicinity of trackline joining 14-54.0N…
- HYDROPAC 889/21 · Exercises2021-03-21 → 2021-03-27Hazardous operations 211400Z to 211930Z, 241400Z to 251355Z and 262130Z to 270730Z mar in area within five…
- HYDROPAC 874/21 · Surveys2021-03-19 → 2021-03-28Underwater operations 20 thru 27 mar by M/V shinkai 6500 and M/V yokosuka in areas bound by: a. 28-33.5N…
- HYDROPAC 837/21 · Exercises2021-03-16 → 2021-03-18Hazardous operations 161400Z to 181330Z mar in area within five miles of 13-48N 144-42E
- HYDROPAC 801/21 · Exercises2021-03-12 → 2021-03-17Hazardous operations 132130Z to 140730Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 769/21 · Exercises2021-03-09 → 2021-03-10Hazardous operations 100200Z to 100800Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 707/21 · Exercises2021-03-04 → 2021-03-05Hazardous operations 042100Z to 050530Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 644/21 · Exercises2021-02-26 → 2021-02-28Hazardous operations 2330Z to 1300Z daily 26 and 27 feb in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 643/21 · Exercises2021-02-26 → 2021-02-27Hazardous operations 262100Z to 270800Z feb in area within five miles of 13-28-48N 144-24-36E
- HYDROPAC 629/21 · Exercises2021-02-25 → 2021-02-26Hazardous operations 260200Z to 261300Z feb in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 593/21 · Other2021-02-20 → 2021-02-22Pyrotechnics exercises 210630Z to 210930Z feb, alternate 220630Z to 220930Z feb in area within ten miles of…
- HYDROPAC 536/21 · Exercises2021-02-16 → 2021-02-17Hazardous operations 162200Z to 170900Z feb in area within 12 miles of 16-01.06N 146-03.35E
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.