Surveys

Underwater operations in the Sea of Okhotsk, Russia, run from 1 May to 31 October; wide berth requested.

Sea of Okhotsk · Russia · HYDROPAC 1291/26

issued
2026-04-23 12:31Z
status
in force
self-cancels
2026-11-01 00:01Z
position
51.451, 143.741
source
nga_inforce · first seen 2026-08-17 13:41Z

Original warning text

SEA OF OKHOTSK.
RUSSIA.
1. UNDERWATER OPERATIONS 01 MAY THRU 31 OCT
   IN AREAS BOUND BY:
   A. 51-27.95N 143-26.72E, 51-29.25N 143-45.52E,
      51-24.43N 143-46.80E, 51-23.35N 143-27.97E.
   B. 51-29.25N 143-45.52E, 51-29.36N 143-47.45E,
      51-33.00N 143-45.00E, 51-33.00N 143-53.21E,
      51-23.00N 144-00.00E, 51-23.38N 143-51.71E,
      51-24.65N 143-50.62E, 51-24.43N 143-46.80E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z NOV 26.

Conditions at the position · now

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Open-Meteo Marine / Open-Meteo · GEBCO 2020 · model data at the centroid, not an observation

This area · survey operations

124 within 180 nm since 2000 · 2 in the last 12 months · 2 in force now

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26

Season · when survey operations happen here

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Nearby now · within 120 nm

Worldwide now

73 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.