Survey operations in the Sea of Okhotsk

Hydrographic and scientific survey vessels, often towing long arrays.

in force
3
last 12 months
3
vs previous 12 (6)
-50%
since 2000
163

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.

In force now · 3

  1. HYDROPAC 2014/26in force2026-07-14
    Survey operations by vessel Nikolay Trubyatchinskiy in Sea of Okhotsk near Kuril Islands from 15 July to 15 October, requesting 400 meter berth.
    Sea of Okhotsk · Kuril Islands
  2. HYDROPAC 1516/26in force2026-05-22
    Underwater operations are active in the Sea of Okhotsk, Russia, from 25 May through 31 December; wide berth requested.
    Sea of Okhotsk · Russia
  3. HYDROPAC 1291/26in force2026-04-23
    Underwater operations in the Sea of Okhotsk, Russia, run from 1 May to 31 October; wide berth requested.
    Sea of Okhotsk · Russia

Longest in force

  1. HYDROPAC 1291/26in force2026-04-23 · 121 d
    Underwater operations in the Sea of Okhotsk, Russia, run from 1 May to 31 October; wide berth requested.
    Sea of Okhotsk · Russia
  2. HYDROPAC 1516/26in force2026-05-22 · 92 d
    Underwater operations are active in the Sea of Okhotsk, Russia, from 25 May through 31 December; wide berth requested.
    Sea of Okhotsk · Russia
  3. HYDROPAC 2014/26in force2026-07-14 · 39 d
    Survey operations by vessel Nikolay Trubyatchinskiy in Sea of Okhotsk near Kuril Islands from 15 July to 15 October, requesting 400 meter berth.
    Sea of Okhotsk · Kuril Islands

By year

00
01
02
03
04
05
06
07
08
09
10
11
12
14
15
16
17
18
19
20
21
22
23
24
25
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the Sea of Okhotsk

Archive · 160 cancelled

  1. HYDROPAC 1340/042004-08-16 → 2004-09-06
    Hydrographic survey in progress until 05 sep in area bound by 57-11.0N 156-38.5E, 57-32.0N 155-22.0E,…
  2. HYDROPAC 1309/042004-08-11 → 2004-09-26
    Hydrographic survey in progress until 25 sep by M/V gelovany towing 300 meter long cable in area bound by…
  3. HYDROPAC 2028/032003-11-24 → 2003-12-27
    Survey operations in progress until 20 jan by M/V zephyr I towing 6500 meter long cable in area bound by…
  4. HYDROPAC 1440/032003-08-22 → 2003-09-09
    Hydrographic survey in progress until 08 sep by M/V gelovany towing 300 meter long cable in area bound by…
  5. HYDROPAC 1124/032003-06-30 → 2003-07-25
    Hydrographic survey in progress until further notice in area bound by 54-20.0N 153-59.5E, 55-14.0N…
  6. HYDROPAC 1234/022002-07-01 → 2002-09-02
    Survey operations 05 jul thru 25 sep by M/V ramform vanguard towing ten 6000 meter long cables in area bound…
  7. HYDROPAC 1300/012001-08-12 → 2001-08-30
    Hydrographic survey in progress until further notice by M/V GS-269 in area bound by 53-15.0N 153-59.5E,…
  8. HYDROPAC 1192/012001-07-27 → 2001-08-06
    Hydrographic survey in progress until further notice by vessel GS-269 in area bound by 53-15.0N 153-59.5E,…
  9. HYDROPAC 1340/002000-09-08 → 2000-09-23
    Oceanographic operations in progress until 22 sep by M/V valeryan uryvaev in area bound by 52-59.99N…
  10. HYDROPAC 1092/002000-07-24 → 2000-10-11
    Survey operations 28 jul thru 10 oct by M/V discovery towing 6000 meter long cable in area bound by 54-17.1N…

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.

Survey operations in the Sea of Okhotsk — page 4 · seahazards