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 1745/12 · Exercises2012-06-20 → 2012-06-25Gunnery exercises 250400Z to 250900Z jun: a. in area bound by 23-43N 122-05E, 23-43N 122-38E, 23-20N…
- HYDROPAC 1727/12 · Cable ops2012-06-19 → 2012-06-24Cable repair operations in progress until 24 aug by cableship cable retriever in area bound by 23-08.8N…
- HYDROPAC 1704/12 · Exercises2012-06-17 → 2012-06-29Gunnery exercises 2300Z to 0400Z commencing daily 17 thru 21, 24 thru 28 and 0600Z to 0900Z daily 18 thru 22…
- HYDROPAC 1692/12 · Exercises2012-06-16 → 2012-06-27Gunnery excercises 180230Z to 180300Z and 0100Z to 0130Z and 0230Z to 0300Z daily 20, 22, 25 and 27 jun: a.…
- HYDROPAC 1691/12 · Exercises2012-06-16 → 2012-06-27Gunnery exercises 1800Z to 0300Z commencing daily 17, 19, 21, 24 and 26 jun: a. in area bound by 22-48N…
- HYDROPAC 1637/12 · Exercises2012-06-11 → 2012-06-25Ordnance
- HYDROPAC 1581/12 · Exercises2012-06-06 → 2012-06-29Gunnery exercises 2300Z to 0430Z commencing daily 10 thru 21, 24 thru 28, 0530Z to 0930Z daily 11 thru 22…
- HYDROPAC 1563/12 · Exercises2012-06-05 → 2012-06-16Gunnery exercises 0100Z to 0300Z daily 07, 12, 15, 20 and 070600Z to 070800Z jun: a. in area bound by 22-48N…
- HYDROPAC 1519/12 · Exercises2012-05-31 → 2012-06-20Gunnery exercises 2300Z to 1400Z commencing daily 04 and 05 jun, alternate 18 and 19 jun: a. in area bound…
- HYDROPAC 1494/12 · Exercises2012-05-29 → 2012-06-16Gunnery excercises 2300Z to 0400Z commencing daily 31 may, 03 thru 07, 10 thru 14, 17 thru 21 and 24 thru 28…
- HYDROPAC 1445/12 · Exercises2012-05-23 → 2012-05-24Gunnery exercises 240300Z to 240600Z may: a. in area bound by 23-43N 122-05E, 23-43N 122-38E, 23-20N…
- HYDROPAC 1414/12 · Derelicts2012-05-19 → 2012-05-2057 meter M/V kaihoumaru disabled and adrift in 19-50N 135-22E at 191500Z may
- HYDROPAC 1408/12 · Derelicts2012-05-18 → 2012-05-1957 meter M/V kaihoumaru disabled and adrift in 19-50N 135-38E at 181727Z may
- HYDROPAC 1397/12 · Exercises2012-05-18 → 2012-05-22Gunnery exercises 220300Z to 220600Z may: a. in area bound by 23-43.0N 122-05.0E, 23-43.0N 122-38.0E,…
- HYDROPAC 1357/12 · Wrecks2012-05-14 → 2013-03-23Philippine Sea
- HYDROPAC 1343/12 · Missiles2012-05-13 → 2012-05-17Hazardous operations 171644Z to 171715Z may, alternate 1639Z to 1717Z daily 18 may thru 29 jun in areas…
- HYDROPAC 1267/12 · Exercises2012-05-05 → 2012-05-31Gunnery exercises 2300Z to 0400Z commencing daily 06 thru 10, 13 thru 17, 20 thru 24 and 27 thru 30 may,…
- HYDROPAC 1222/12 · Volcanic2012-04-29 → 2018-09-07Nampo Shoto
- HYDROPAC 1198/12 · Exercises2012-04-26 → 2012-04-27Gunnery exercises 270300Z to 270600Z apr: a. in area bound by 23-43N 122-05E, 23-43N 122-38E, 23-20N…
- HYDROPAC 1145/12 · Other2012-04-21 → 2012-04-21Vessel on fire in 16-16.7N 133-32.0E at 210613Z apr
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.