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 1558/16 · Exercises2016-05-26 → 2016-06-30Gunnery exercises 2300Z to 0500Z commencing daily 31 may thru 03, 05 thru 07, 12 thru 16, 19 thru 23 and 26…
- HYDROPAC 1557/16 · Exercises2016-05-26 → 2016-06-30Gunnery exercises 2300Z to 0500Z commencing daily 31 may thru 03, 05 thru 07, 12 thru 16, 19 thru 23 and 26…
- HYDROPAC 1517/16 · Nav aids2016-05-23 → 2016-06-05Maniagassa (managaha) island light 15-14.4N 145-42.7E unlit
- HYDROPAC 1229/16 · Exercises2016-04-27 → 2016-05-31Gunnery exercises 2300Z to 0400Z commencing daily 01 thru 05, 08 thru 12, 15 thru 18, 22 thru 26, 29 and 30…
- HYDROPAC 1227/16 · Exercises2016-04-27 → 2016-05-31Gunnery exercises 2300Z to 1400Z commencing daily 01 thru 05, 08 thru 12, 15 thru 18, 22 thru 26, 29 and 30…
- HYDROPAC 1219/16 · Other2016-04-27 → 2016-04-27Pyrotechnics exercises 270900Z to 271300Z apr in area bound by 23-48.5N 135-49.5E, 22-52.4N 135-12.2E,…
- HYDROPAC 1113/16 · Exercises2016-04-16 → 2016-04-20Gunnery exercises 190300Z to 190530Z apr, alternate 200300Z to 200530Z apr: a. in area bound by 23-43.0N…
- HYDROPAC 1070/16 · Exercises2016-04-11 → 2016-04-12Gunnery
- HYDROPAC 890/16 · Exercises2016-03-27 → 2016-04-29Gunnery exercises 2300Z to 0400Z commencing daily 31 mar, 04 thru 07 apr, 10 thru 14, 17 thru 21 and 24 thru…
- HYDROPAC 888/16 · Exercises2016-03-27 → 2016-04-29Gunnery exercises 2300Z to 1400Z commencing daily 31 mar, 04 thru 07, 10 thru 14, 17 thru 21 and 24 thru 28…
- HYDROPAC 844/16 · Exercises2016-03-23 → 2016-03-24Gunnery exercises 240400Z to 240600Z mar: a. in area bound by 23-43.0N 122-05.0E, 23-43.0N 122-38.0E,…
- HYDROPAC 523/16 · Exercises2016-02-25 → 2016-03-31Gunnery exercises 2300Z to 0400Z commencing daily 29 feb thru 03 mar, 06 thru 10, 13 thru 17, 20 thru 24, 27…
- HYDROPAC 522/16 · Exercises2016-02-25 → 2016-03-31Gunnery exercises 2300Z to 0400Z commencing daily 29 feb thru 03 mar, 06 thru 10, 13 thru 17, 20 thru 24, 27…
- HYDROPAC 456/16 · Derelicts2016-02-18 → 2016-02-21Derelict 44 foot S/V sayo, white hull with blue trim, adrift vicinity 10-33N 130-06E at 180330Z feb
- HYDROPAC 438/16 · Volcanic2016-02-17 → 2016-08-17Volcanic activity reported in 27-14.6N 140-52.7E
- HYDROPAC 389/16 · Other2016-02-12 → 2016-02-12Port of tanapag harbor (15-13-36N 145-44-12E) until further notice
- HYDROPAC 379/16 · Exercises2016-02-11 → 2016-02-26Gunnery exercises 2300Z to 0400Z commencing daily 15 thru 18 and 21 thru 25 feb, 0600Z to 0900Z daily 16…
- HYDROPAC 378/16 · Exercises2016-02-11 → 2016-02-25Gunnery exercises 2300Z to 0900Z commencing daily 15 thru 18 and 21 thru 25 feb: a. in area bound by…
- HYDROPAC 296/16 · Derelicts2016-02-02 → 2016-02-05Derelict 44 foot S/V sayo, white and blue hull, dismasted and adrift vicinity 11-38N 137-46E at 310645Z jan
- HYDROPAC 141/16 · Debris2016-01-17 → 2016-01-20Numberous logs adrift vicinity: a. 23-50.2N 122-46.6E at 170215Z jan
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.