Surveys

Submersible survey operations are in areas near 22-40N 154-30E and 22-30N 153-45E in the North Pacific from July 25 to August 15; wide berth requested.

North Pacific · HYDROPAC 2124/26

issued
2026-07-24 13:35Z
status
in force
self-cancels
2026-08-16 00:01Z
position
23.058, 153.512
source
nga_inforce · first seen 2026-08-17 13:41Z

Original warning text

NORTH PACIFIC.
1. SURVEY OPERATIONS 25 JUL THRU 15 AUG
   BY SUBMERSIBLE IN AREAS BOUND BY:
   A. 22-40.00N 154-30.00E, 22-40.00N 153-45.00E,
      23-20.00N 153-45.00E, 23-20.00N 154-30.00E.
   B. 22-30.00N 153-45.00E, 22-30.00N 152-45.00E,
      23-40.00N 152-45.00E, 23-40.00N 153-45.00E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 160001Z AUG 26.

Conditions at the position · now

loading…

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

This area · survey operations

11 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now

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05
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15
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25
26

Season · when survey operations happen here

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month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force 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.