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 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 | 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 1682/17 · Surveys2017-05-12 → 2017-05-26Underwater operations 17 thru 25 may by M/V yokosuka with submersible in area bound by 17-30N 140-00E,…
- HYDROPAC 1525/17 · Derelicts2017-04-30 → 2017-05-01Derelict 15 meter F/V adrift in vicinity 29-47.5N 140-20.7E at 300856Z apr
- HYDROPAC 1391/17 · Volcanic2017-04-20 → 2018-06-20Volcanic activity reported in area within 0.9 mile of 27-14.6N 140-52.7E at 200730Z apr
- HYDROPAC 1389/17 · Volcanic2017-04-20 → 2017-04-20Volcanic activity reported in 27-14.6N 140-52.7E at 200525Z apr
- HYDROPAC 1354/17 · Derelicts2017-04-18 → 2017-04-2231 meter F/V otori maru nr 28 disabled and adrift due to engine failure in 23-34.8N 139-52.1E at 172324Z apr
- HYDROPAC 1220/17 · Surveys2017-04-05 → 2017-04-20Underwater operations in progress until 19 apr by M/V yokosuka with submersible: a. in area bound by 34-00N…
- HYDROPAC 1207/17 · Exercises2017-04-04 → 2017-04-29Gunnery exercises 2300Z to 0500Z commencing daily 04 thru 06, 09 thru 13, 16 thru 20 and 23 thru 28 apr,…
- HYDROPAC 1144/17 · Exercises2017-03-31 → 2017-04-04Gunnery exercises 2300Z to 0500Z commencing daily 04 thru 06, 09 thru 13, 16 thru 20 and 23 thru 28 apr,…
- HYDROPAC 1139/17 · Exercises2017-03-31 → 2017-04-28Gunnery exercises 2300Z to 0400Z commencing daily 04 thru 06, 09, 10, 13, 16, 17, 20 and 23 thru 27 apr,…
- HYDROPAC 1026/17 · Derelicts2017-03-24 → 2017-03-27Derelict 12 meter vessel, white hull, adrift in vicinity 29-09.9N 140-23.5E at 240708Z mar
- HYDROPAC 1024/17 · Volcanic2017-03-24 → 2018-09-07Discolored water in vicinity 31-54.5N 140-01.6E at 240250Z mar
- HYDROPAC 1017/17 · Exercises2017-03-23 → 2017-03-24Hazardous operations 240001Z to 240530Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 959/17 · Exercises2017-03-20 → 2017-03-21Hazardous operations 210200Z to 210600Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 902/17 · Exercises2017-03-16 → 2017-03-21Gunnery exercises 210900Z to 211400Z mar in areas: a. bound by 23-43.0N 122-05.0E, 23-43.0N 122-38.0E,…
- HYDROPAC 876/17 · Missiles2017-03-14 → 2017-03-17Hazardous operations, rocket launching: a. 170120Z to 170200Z mar in area bound by 26-34-47N 135-15-46E,…
- HYDROPAC 862/17 · Exercises2017-03-13 → 2017-03-23Gunnery exercises 0430Z to 0600Z daily 15 thru 17 and 21 thru 23 mar in areas: a. bound by 22-32N 121-02E,…
- HYDROPAC 843/17 · Missiles2017-03-11 → 2017-03-14Hazardous operations, rocket launching: a. 160100Z to 160326Z mar in area bound by 26-34-47N 135-15-46E,…
- HYDROPAC 835/17 · Cable ops2017-03-10 → 2017-04-17Cable operations 15 mar thru 16 apr by cableship bold maverick in vicinity of trackline joining 07-02.6N…
- HYDROPAC 666/17 · Exercises2017-02-24 → 2017-03-31Gunnery exercises 2300Z to 0400Z commencing daily 28 feb thru 02 mar, 05 thru 09, 12 thru 16, 19 thru 23 and…
- HYDROPAC 665/17 · Exercises2017-02-24 → 2017-03-31Gunnery exercises 2300Z to 0400Z commencing daily 28 feb thru 02 mar, 05 thru 09, 12 thru 16, 19 thru 23 and…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.