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
96
99
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01
02
03
04
05
06
07
08
09
10
11
12
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14
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16
17
18
19
20
21
22
23
24
25
26
By month (all years)
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F
M
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S
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D
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 1208/04 · Nav aids2004-07-26 → 2004-07-30Odas buoy established in 07-58.8N 130-02.1E
- HYDROPAC 1195/04 · Containers2004-07-23 → 2004-07-30Container adrift vicinity 25-19N 134-06E at 210600Z jul
- HYDROPAC 1174/04 · Volcanic2004-07-16 → 2004-07-17Discolored water vicinity 24-17N 141-29E
- HYDROPAC 1142/04 · Containers2004-07-11 → 2004-07-15Container adrift in 26-06.6N 133-24.8E at 110630Z jul
- HYDROPAC 1067/04 · Containers2004-06-26 → 2004-07-02Container adrift in 24-29.4N 133-09.0E at 260300Z jun
- HYDROPAC 1035/04 · Volcanic2004-06-22 → 2004-07-17Discolored water vicinity 24-17N 141-29E at 210240Z jun
- HYDROPAC 1017/04 · Exercises2004-06-18 → 2004-07-02Hazardous operations 2000Z to 1200Z commencing daily 22 jun thru 01 jul in areas bound by: a. 24-45.7N…
- HYDROPAC 903/04 · Surveys2004-05-26 → 2004-06-30Underwater operations 31 may thru 29 jun by M/V hakurei maru no 2 in areas: a. between 31-00N 32-00N and…
- HYDROPAC 779/04 · Volcanic2004-04-30 → 2004-09-08Discolored water vicinity 24-17.6N 141-28.9E
- HYDROPAC 505/04 · Derelicts2004-03-19 → 2004-03-26Derelict 77 ton F/V adrift in 19-53.3N 126-11.7E at 190510Z mar
- HYDROPAC 460/04 · Cable ops2004-03-11 → 2004-07-01Cable repair operations in progress until 30 jun by cableship wave venture vicinity of tracklines between:…
- HYDROPAC 454/04 · Cable ops2004-03-10 → 2004-03-11Cable repair operations in progress until 30 jun by cableship wave venture vicinity of tracklines between:…
- HYDROPAC 433/04 · Derelicts2004-03-07 → 2004-03-14F/V shinko maru nr 3 on fire and adrift in 11-11.5N 130-24.1E at 070900Z mar
- HYDROPAC 425/04 · Derelicts2004-03-07 → 2003-03-07Vessel on fire and adrift in 11-45N 130-00E
- HYDROPAC 346/04 · Cable ops2004-02-24 → 2004-03-03Cable laying operations 26 feb thru 06 mar, alternate 07 thru 09 mar by M/V kdd pacific link in area bound…
- HYDROPAC 212/04 · Cable ops2004-02-02 → 2004-02-29Cable repair operations in progress until 28 feb by cableship kdd ocean link in area bound by 23-09N…
- HYDROPAC 211/04 · Cable ops2004-02-02 → 2004-02-29Cable repair operations in progress until 28 feb by cableship segero in area bound by 22-27N 122-35E, 22-36N…
- HYDROPAC 179/04 · Other2004-01-29 → 2004-01-31Underwater ordnance detonations 310001Z to 310900Z jan within 50 miles of 14-05N 143-45E
- HYDROPAC 178/04 · Other2004-01-29 → 2004-01-29Underwater ordnance detonations 310001Z to 310900Z jan within 90 miles of 16-30N 139-47E
- HYDROPAC 177/04 · Other2004-01-29 → 2004-01-30Underwater ordnance detonations 300001Z to 300900Z jan within 90 miles of 16-30N 139-47E
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.