Surveys

Russia conducts survey operations in the Sea of Japan until 29 September in a defined area, requesting vessels keep clear.

Sea of Japan · Russia · HYDROPAC 2611/26

issued
2026-09-10 09:13Z
status
cancelled 2026-09-10 13:50Z (dropped from inforce)
self-cancels
2026-09-29 15:00Z
cancels
HYDROPAC 2598/26
sea
Japan Sea
position
41.783, 131.933
source
nga_inforce · first seen 2026-09-10 14:02Z

Original warning text

SEA OF JAPAN.
RUSSIA.
1. SURVEY OPERATIONS IN PROGRESS UNTIL
   291400Z SEP 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 HYDROPAC 2598/26.
3. CANCEL THIS MSG 291500Z SEP 26.

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

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

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.