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 2446/08 · Exercises2008-12-10 → 2008-12-12Gunnery exercises 132200Z to 140800Z dec in area bound by 26-04N 135-37E, 23-43N 134-34E, 23-46N 134-15E,…
- HYDROPAC 2442/08 · Exercises2008-12-10 → 2008-12-11Gunnery exercises 142300Z to 150900Z dec in area bound by 30-40N 137-43E, 28-13N 136-34E, 28-20N 136-13E,…
- HYDROPAC 2427/08 · Exercises2008-12-08 → 2008-12-12Gunnery exercises 122200Z thru 130800Z dec in area bound by 21-31N 133-39E, 19-03N 132-33E, 19-10N 132-12E,…
- HYDROPAC 2416/08 · Exercises2008-12-07 → 2008-12-12Gunnery exercises 112200Z to 120800Z dec in area bound by 17-00N 131-41E, 14-30N 130-39E, 14-37N 130-20E,…
- HYDROPAC 2415/08 · Exercises2008-12-07 → 2008-12-11Gunnery exercises 102200Z to 110800Z dec in area bound by 13-23N 130-12E, 11-41N 129-29E, 11-48N 129-10E,…
- HYDROPAC 2369/08 · Exercises2008-12-02 → 2008-12-31Gunnery exercises 2300Z to 0400Z commencing daily 02 thru 04 dec, 07 thru 11, 14 thru 18, 21 thru 25 and 28…
- HYDROPAC 2334/08 · Exercises2008-11-28 → 2008-12-12Gunnery exercises 2300Z to 0900Z commencing daily 30 nov thru 11 dec, alternate 12 thru 29 dec within 31…
- HYDROPAC 2174/08 · Exercises2008-11-03 → 2008-11-30Gunnery exercises 2300Z to 0900Z commencing daily 07 thru 29 nov within 31 miles of 23-26.5N 122-21.5E
- HYDROPAC 2166/08 · Nav aids2008-11-01 → 2008-11-07Nga chart 81076(12TH ed)
- HYDROPAC 2117/08 · Exercises2008-10-29 → 2008-11-07Gunnery exercises 2300Z to 0900Z commencing daily 31 oct thru 06 nov within 31 miles of 23-26.5N 122-21.5E
- HYDROPAC 2087/08 · Exercises2008-10-25 → 2008-10-31Gunnery exercises 2300Z to 0900Z commencing daily 25, 26, 29 and 30 oct within 31 miles of 23-26.5N 122-21.5E
- HYDROPAC 2080/08 · Exercises2008-10-24 → 2008-10-25Gunnery exercises 0400Z to 1000Z daily 29 and 30 oct within 31 miles of 23-26.5N 122-21.5E
- HYDROPAC 2077/08 · Exercises2008-10-24 → 2008-10-30Gunnery exercises 272300Z to 280130Z, 280700Z to 280930Z, 290001Z to 290900Z, 290400Z to 291000Z and 300400Z…
- HYDROPAC 2037/08 · Exercises2008-10-19 → 2008-10-25Gunnery exercises 0001Z to 0900Z daily 19 thru 23 oct, alternate 24 and 25 oct in area bound by 23-43N…
- HYDROPAC 1955/08 · Derelicts2008-10-06 → 2008-10-13Derelict barge adrift vicinity 21-52.8N 121-56.9E at 060340Z oct
- HYDROPAC 1763/08 · Derelicts2008-09-11 → 2008-09-1123 foot F/V norma disabled and adrift in 16-39N 145-37E on 11 sep
- HYDROPAC 1743/08 · Exercises2008-09-08 → 2008-09-09Gunnery exercises 090230Z to 090600Z sep within 50 miles of 22-26.0N 121-42.5E
- HYDROPAC 1723/08 · Exercises2008-09-04 → 2008-09-05Gunnery exercises 050230Z to 050600Z sep within 50 miles of 22-26.0N 121-42.5E
- HYDROPAC 1692/08 · Derelicts2008-08-30 → 2008-09-0630 meter barge adrift in 14-52.7N 129-56.2E at 292310Z aug
- HYDROPAC 1682/08 · Exercises2008-08-29 → 2008-09-02Gunnery exercises 020400Z to 021000Z sep in area bound by 23-43N 122-05E, 23-43N 122-38E, 23-20N 122-38E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.