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 3281/13 · Exercises2013-10-23 → 2013-10-31Gunnery exercises 231600Z to 311600Z oct in areas bound by: a. 22-24N 128-08E, 20-49N 129-26E, 18-47N…
- HYDROPAC 3177/13 · Other2013-10-16 → 2013-10-19Port of apra harbor (13-27-12N 144-39-13E) closed to vessel arrivals until further notice due to weather…
- HYDROPAC 3089/13 · Exercises2013-10-09 → 2013-10-14Gunnery exercises 0001Z to 0900Z daily 10 and 14 oct: a. in area bound by 23-43N 122-05E, 23-43N 122-38E,…
- HYDROPAC 3077/13 · Exercises2013-10-08 → 2013-10-25Gunnery exercises 0330Z to 0530Z daily 08, 09, 15 and 25 oct: a. in area bound by 22-32.0N 121-02.5E,…
- HYDROPAC 3076/13 · Exercises2013-10-08 → 2013-10-25Gunnery exercises 0600Z to 1000Z daily 08, 09, 15 and 25 oct: a. in area bound by 22-35.0N 121-20.0E,…
- HYDROPAC 3053/13 · Exercises2013-10-04 → 2013-10-09Gunnery exercises 090100Z to 090400Z oct: a. in area bound by 24-51-00N 122-21-00E, 24-50-00N 122-55-00E,…
- HYDROPAC 3051/13 · Exercises2013-10-04 → 2013-10-18Gunnery exercises 0300Z to 0500Z daily 07 and 08 oct, 0300Z to 0600Z daily 15 and 16 oct and 0300Z to 0900Z…
- HYDROPAC 3026/13 · Exercises2013-10-02 → 2013-11-15Gunnery exercises 2300Z to 0430Z commencing daily 06 thru 10, 13 thru 17, 20 thru 24, 27 thru 30, 31 oct, 03…
- HYDROPAC 2964/13 · Exercises2013-09-27 → 2013-10-26Gunnery exercises 0001Z to 0600Z daily 02, 09, 16 and 26 oct: a. in area bound by 23-43.0N 122-05.0E,…
- HYDROPAC 2961/13 · Exercises2013-09-27 → 2013-10-25Gunnery exercises 0600Z to 1000Z daily 01, 08, 15 and 25 oct: a. in area bound by 22-32.0N 121-11.5E,…
- HYDROPAC 2947/13 · Exercises2013-09-26 → 2013-10-31Gunnery exercises 2300Z to 0400Z commencing daily 30 sep thru 03 oct, 06 thru 08, 10, 13 thru 17, 20 thru…
- HYDROPAC 2946/13 · Exercises2013-09-26 → 2013-10-25Gunnery exercises 0001Z to 1000Z daily 01, 08, 15 and 25 oct: a. in area bound by 22-36.0N 121-02.3E,…
- HYDROPAC 2882/13 · Exercises2013-09-21 → 2013-09-27Gunnery exercises 1300Z to 1600Z daily 26 and 27 sep in area bound by 24-42N 122-20E, 24-42N 122-38E, 23-52N…
- HYDROPAC 2881/13 · Exercises2013-09-21 → 2013-09-27Gunnery exercises 0100Z to 0400Z daily 26 and 27 sep: a. in area bound by 24-51-00N 122-21-00E, 24-50-00N…
- HYDROPAC 2848/13 · Exercises2013-09-18 → 2013-09-24Gunnery exercises 0001Z to 0400Z daily 23 and 24 sep: a. in area bound by 24-51-00N 122-25-00E, 24-50-00N…
- HYDROPAC 2842/13 · Other2013-09-18 → 2013-11-02Salvage and oil spill response operations in progress until further notice vicinity 14-57.49N 145-37.29E
- HYDROPAC 2676/13 · Exercises2013-09-05 → 2013-09-17Gunnery exercises 0001Z to 1400Z daily 10, 11, 16 and 17 sep: a. in area bound by 23-43.0N 122-05.0E,…
- HYDROPAC 2585/13 · Exercises2013-08-28 → 2013-09-30Gunnery exercises 2300Z to 0400Z commencing daily 01 thru 05, 08 thru 12, 15 thru 17, 19, 22 thru 26 and 29…
- HYDROPAC 2582/13 · Surveys2013-08-28 → 2013-09-05Underwater operations 02 thru 04 sep by M/V kairei with submersible in area bound by 29-08.0N 140-42.0E,…
- HYDROPAC 2561/13 · Exercises2013-08-27 → 2013-08-30Gunnery exercises 292100Z to 300600Z aug: a. in area bound by 23-43.0N 122-05.0E, 23-43.0N 122-38.0E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.