Japan Sea
IHO sea area 52 · 126° to 142° E, 33° to 52° N
- in force
- 2
- last 12 months
- 2
- since 1993
- 1,097
- categories
- 11
In force now · 2
- NAVAREA XI 341/26 · Exercises2026-07-27Gunnery exercise in Japan Sea occurs daily 2200Z to 1000Z on specified dates from 31 July to 30 August in a bounded area.
- HYDROPAC 2151/26 · Exercises2026-07-27Gunnery exercises occur daily from 2200Z to 1000Z on July 31, August 2-14, 16-21, 23-28, and 30 in the Sea of Japan near Russia.
Longest in force
- HYDROPAC 2151/26 · Exercises2026-07-27Gunnery exercises occur daily from 2200Z to 1000Z on July 31, August 2-14, 16-21, 23-28, and 30 in the Sea of Japan near Russia.
- NAVAREA XI 341/26 · Exercises2026-07-27Gunnery exercise in Japan Sea occurs daily 2200Z to 1000Z on specified dates from 31 July to 30 August in a bounded area.
By year
93
98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
By category · since 1997
| Exercises | 629 | 57% |
| Missiles | 183 | 17% |
| Other | 152 | 14% |
| Derelicts | 51 | 5% |
| Surveys | 31 | 3% |
| Cable ops | 23 | 2% |
| Nav aids | 17 | 2% |
| Wrecks | 5 | 0% |
| Debris | 3 | 0% |
| Containers | 2 | 0% |
| Volcanic | 1 | 0% |
Archive · 1,095 cancelled
- HYDROPAC 1260/00 · Exercises2000-08-24 → 2000-08-29Hazardous operations 2300Z to 0200Z commencing daily 27 and 28 aug and 0400Z to 0800Z daily 28 and 29 aug in…
- HYDROPAC 1129/00 · Cable ops2000-07-31 → 2000-07-13Underwater cable operations 032000Z to 131100Z aug by M/V kdd pacific link in area bound by 35-57.5N…
- HYDROPAC 1116/00 · Cable ops2000-07-28 → 2000-08-03Cable laying operations 300001Z jul to 031300Z aug by cableship kdd pacific link in area bound by 36-35N…
- HYDROPAC 1074/00 · Exercises2000-07-20 → 2000-07-27Hazardous operations 2300Z to 0900Z commencing daily 24 thru 26 jul in area bound by 42-00N 132-20E, 42-25N…
- HYDROPAC 1027/00 · Other2000-07-13 → 2000-07-20Underwater ordnance detonations: a. 180001Z to 181100Z jul within 18 miles of: 1. 39-12N 135-50E
- HYDROPAC 999/00 · Cable ops2000-07-07 → 2000-09-01Seismic survey in progress until 31 aug by M/V nordic explorer towing 3000 meter long cables in area bound…
- HYDROPAC 659/00 · Exercises2000-05-02 → 2000-05-06Hazardous operations 2300Z to 0200Z and 0400Z to 0700Z commencing daily 03 thru 05 may in area bound by…
- HYDROPAC 642/00 · Exercises2000-04-28 → 2000-05-02Hazardous operations 0400Z to 0700Z daily 03 thru 06 may in area bound by 40-41.0N 135-10.0E, 42-27.0N…
- HYDROPAC 600/00 · Exercises2000-04-20 → 2000-04-27Hazardous operations 2300Z to 0700Z commencing daily 25 and 26 apr in area bound by 41-52N 132-05E, 42-27N…
- HYDROPAC 541/00 · Exercises2000-04-08 → 2000-04-15Hazardous operations 2300Z to 0200Z commencing daily 13 and 14 apr and 0400Z to 0700Z daily 14 and 15 apr in…
- HYDROPAC 264/00 · Other2000-02-13 → 2000-02-20Drifting ice field sighted east of line joining 45-52N 141-35E, 45-21N 142-09E and shoreline
- HYDROPAC 193/00 · Other2000-01-31 → 2000-02-01Underwater ordnance detonations 010330Z to 010600Z feb within ten miles of 37-00N 131-15E
- HYDROPAC 157/00 · Nav aids2000-01-26 → 2000-01-28Radiobeacon at ostrov askold light 42-43.9N 132-20.7E off air
- HYDROPAC 1147/99 · Other1999-10-29 → 1999-11-02Underwater ordnance detonations 301700Z to 302100Z oct and 021700Z to 022100Z nov: a. within five miles of…
- HYDROPAC 1142/99 · Other1999-10-28 → 1999-11-02Emergency ordnance jettison areas established until 021500Z nov: a. within five miles of 37-10N 130-25E
- HYDROPAC 1134/99 · Exercises1999-10-26 → 1999-10-29Hazardous operations 2100Z to 0100Z commencing daily 27 and 28 oct and 0400Z to 0800Z daily 28 and 29 oct in…
- HYDROPAC 1131/99 · Other1999-10-25 → 1999-10-28Emergency ordnance jettison areas established 270001Z oct to 021500Z nov: a. within five miles of 37-10N…
- HYDROPAC 1120/99 · Exercises1999-10-21 → 1999-10-27Hazardous operations 2300Z to 0200Z commencing daily 25 and 26 oct and 0400Z to 0700Z daily 26 and 27 oct in…
- HYDROPAC 1096/99 · Exercises1999-10-17 → 1999-10-23Hazardous operations 2300Z to 0200Z commencing daily 21 and 22 oct and 230400Z to 230700Z oct in area bound…
- HYDROPAC 1064/99 · Other1999-10-10 → 1999-10-15Unexploded ordnance vicinity 47-03.0N 142-02.4E
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.