Surveys
Russia conducts survey operations in the Sea of Japan from 10 September 0400 UTC to 29 September 1400 UTC, and requests other ships keep clear.
Sea of Japan · Russia · HYDROPAC 2598/26
- issued
- 2026-09-09 09:32Z
- status
- cancelled 2026-09-09 13:15Z (dropped from inforce)
- self-cancels
- 2026-09-29 15:00Z
- sea
- Japan Sea
- position
- 41.783, 131.933
- source
- nga_inforce · first seen 2026-09-09 18:17Z
Original warning text
SEA OF JAPAN. RUSSIA. 1. SURVEY OPERATIONS 100400Z TO 291400Z SEP BY VESSEL IN AREA BOUND BY 42-14.00N 131-42.00E, 42-14.00N 132-10.00E, 41-20.00N 132-10.00E, 41-20.00N 131-42.00E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 291500Z SEP 26.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2026-09-10 04:00Z | 2026-09-29 14:00Z | — | 466 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · survey operations
12 within 180 nm since 2003 · 2 in the last 12 months · 0 in force now
03
05
10
15
20
25
26
- Survey operations in progress until 291400Z sep in area bound by 42-14.00N 131-42.00E, 42-14.00N 132-10.00E,…2026-09-10
- Survey operations 27 jul thru 20 aug in area bound by 45-26.30N 139-13.20E, 47-26.10N 141-53.40E, 42-32.00N…2022-07-25
- Underwater operations 251400Z to 301400Z jun in area bound by 43-04.0N 134-27.6E, 43-04.0N 134-42.2E,…2021-06-25
- Underwater operations 162100Z to 232100Z apr in area bound by 43-04.0N 134-27.6E, 43-04.0N 134-42.2E,…2021-04-14
- Underwater operations 282100Z mar to 052100Z apr in area bound by 43-04.0N 134-27.6E, 43-04.0N 134-42.2E,…2021-03-23
- Survey operations 082100Z to 122100Z nov by M/V deepwater dive in area bound by 42-57.0N 134-14.0E, 43-04.0N…2020-11-03
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
- Missile firingMissiles · 26.9 nm
Worldwide now
58 survey operations in force · see all
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.