Sea of Okhotsk
IHO sea area 54 · 135° to 167° E, 43° to 63° N
- in force
- 8
- last 12 months
- 7
- since 1999
- 474
- categories
- 11
In force now · 8
- HYDROPAC 2306/26 · Exercises2026-08-11Gunnery exercises will take place in the Sea of Okhotsk, Russia, from August 14 20:00 UTC to August 15 12:00 UTC.
- HYDROPAC 2305/26 · Exercises2026-08-11Gunnery exercises take place daily 09-14 August near the Kuril Islands in the Sea of Okhotsk; canceled 15 August 1300Z.
- HYDROPAC 2304/26 · Missiles2026-08-11Missile operations are active in the Sea of Okhotsk, Russia, daily from 2000Z to 1200Z from 10 to 15 August.
- HYDROPAC 2014/26 · Surveys2026-07-14Survey operations by vessel Nikolay Trubyatchinskiy in Sea of Okhotsk near Kuril Islands from 15 July to 15 October, requesting 400 meter berth.
- HYDROPAC 1869/26 · Nav aids2026-06-29A wave rider buoy has been established in the Sea of Okhotsk, Russia at 51-22.54N 144-14.17E.
- HYDROPAC 1516/26 · Surveys2026-05-22Underwater operations are active in the Sea of Okhotsk, Russia, from 25 May through 31 December; wide berth requested.
- HYDROPAC 1291/26 · Surveys2026-04-23Underwater operations in the Sea of Okhotsk, Russia, run from 1 May to 31 October; wide berth requested.
- HYDROPAC 221/25 · Nav aids2025-01-29In the Sea of Okhotsk, Kuril Islands, the Malokuril'skiy Light at 43-52.50N 146-48.80E is reduced to eight miles range, and the previous warning 3644/24 is cancelled.
Longest in force
- HYDROPAC 221/25 · Nav aids2025-01-29In the Sea of Okhotsk, Kuril Islands, the Malokuril'skiy Light at 43-52.50N 146-48.80E is reduced to eight miles range, and the previous warning 3644/24 is cancelled.
- HYDROPAC 1291/26 · Surveys2026-04-23Underwater operations in the Sea of Okhotsk, Russia, run from 1 May to 31 October; wide berth requested.
- HYDROPAC 1516/26 · Surveys2026-05-22Underwater operations are active in the Sea of Okhotsk, Russia, from 25 May through 31 December; wide berth requested.
- HYDROPAC 1869/26 · Nav aids2026-06-29A wave rider buoy has been established in the Sea of Okhotsk, Russia at 51-22.54N 144-14.17E.
- HYDROPAC 2014/26 · Surveys2026-07-14Survey operations by vessel Nikolay Trubyatchinskiy in Sea of Okhotsk near Kuril Islands from 15 July to 15 October, requesting 400 meter berth.
By year
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By month (all years)
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By category · since 1997
| Surveys | 155 | 33% |
| Exercises | 86 | 18% |
| Cable ops | 65 | 14% |
| Other | 48 | 10% |
| Missiles | 48 | 10% |
| Nav aids | 38 | 8% |
| Towing | 13 | 3% |
| Derelicts | 9 | 2% |
| Wrecks | 9 | 2% |
| Debris | 2 | 0% |
| Containers | 1 | 0% |
Archive · 466 cancelled
- HYDROPAC 1763/19 · Surveys2019-05-29 → 2019-07-02Survey operations 31 may thru 10 jul by M/V geophisik in area bound by 52-39-00N 143-19-08E, 52-39-06N…
- HYDROPAC 1693/19 · Surveys2019-05-21 → 2019-06-15Survey operations in progress until 21 jun by M/V fyodor kovrov in area bound by 51-34-55N 143-24-16E,…
- HYDROPAC 183/19 · Surveys2019-01-18 → 2019-09-25Underwater operations in progress until 31 dec in area bound by 51-14-23N 143-58-45E, 51-24-38N 143-59-25E,…
- HYDROPAC 4580/18 · Surveys2018-12-26 → 2019-04-04Scientific mooring, at depth 165 meters established until 30 jun 19 in: a. 51-15-21N 144-10-20E
- HYDROPAC 4039/18 · Surveys2018-11-09 → 2019-01-01Survey operations in progress until 31 dec by M/V akademik fersman in areas bound by: a. 52-00.9N 143-46.3E,…
- HYDROPAC 3836/18 · Surveys2018-10-22 → 2018-11-17Survey operations in progress until 16 nov by M/V fyodor kovrov in area bound by 51-34-55N 143-24-16E,…
- HYDROPAC 3770/18 · Exercises2018-10-16 → 2018-10-31Gunnery exercises 171400Z to 201400Z, 211400Z to 271400Z and 281400Z to 311400Z oct in area bound by…
- HYDROPAC 3686/18 · Missiles2018-10-10 → 2018-10-21Missile and gunnery exercises 140000Z to 202359Z oct in area bound by 43-44.23N 145-33.48E, 43-45.55N…
- HYDROPAC 3661/18 · Exercises2018-10-08 → 2018-10-13Gunnery exercises 101400Z to 131400Z oct in area bound by 44-54-30N 147-38-10E, 44-56-50N 147-48-30E,…
- HYDROPAC 3652/18 · Surveys2018-10-07 → 2018-12-09Survey operations 08 oct to 08 dec by M/V geophisic in area bound by 52-11-44N 143-08-43E, 52-39-00N…
- HYDROPAC 3602/18 · Other2018-10-01 → 2019-01-12Structures reported in: a. 51-18-20N 144-21-42E
- HYDROPAC 3590/18 · Missiles2018-09-30 → 2018-10-19Missile operations 042100Z to 192100Z oct: a. in area bound by 47-36N 151-21E, 47-54N 151-06E, 48-06N…
- HYDROPAC 3561/18 · Cable ops2018-09-28 → 2019-09-25Cable operations in progress until further notice along trackline joining 49-03.8N 140-18.7E, 49-03.7N…
- HYDROPAC 3498/18 · Exercises2018-09-24 → 2018-09-28Gunnery exercises 241400Z to 281400Z sep in area bound by 44-54-30N 147-38-10E, 44-56-50N 147-48-30E,…
- HYDROPAC 3404/18 · Missiles2018-09-19 → 2018-09-27Missile operations 241400Z to 271400Z sep in area bound by 47-27N 153-52E, 48-00N 151-25E, 48-52N 152-00E,…
- HYDROPAC 3372/18 · Surveys2018-09-16 → 2018-10-19Survey operations 18 sep thru 18 oct by M/V fyodor kovrov in area bound by 51-34-55N 143-24-16E, 51-34-54N…
- HYDROPAC 3275/18 · Missiles2018-09-07 → 2018-09-18Missile operations 121400Z to 181400Z sep in area bound by 45-00N 146-50E, 47-00N 143-16E, 48-00N 142-39E,…
- HYDROPAC 3274/18 · Missiles2018-09-07 → 2018-09-18Missile operations 121400Z to 181400Z sep in area bound by 47-27N 153-52E, 48-00N 151-25E, 48-52N 152-00E,…
- HYDROPAC 3232/18 · Exercises2018-09-03 → 2018-09-15Gunnery exercises 031400Z to 151400Z sep in area bound by 43-44.23N 145-33.48E, 43-45.55N 145-34.11E,…
- HYDROPAC 3187/18 · Exercises2018-08-31 → 2018-09-15Gunnery exercises 031400Z to 151400Z sep in area bound by 44-54-30N 147-38-10E, 44-56-50N 147-48-30E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.