Surveys

Underwater operations in progress until 04 aug within one mile of 28-50-37N 089-23-46W

Gulf of Mexico · Louisiana · NAVAREA IV 424/13

issued
2013-07-18 07:14Z
status
cancelled 2013-08-05 00:01Z (archive)
authority
CCGD8 76/13 171834Z JUL 13.
sea
Gulf of Mexico
position
28.844, -89.396 · r 1.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF MEXICO.
LOUISIANA.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 04 AUG
   WITHIN ONE MILE OF 28-50-37N 089-23-46W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 05 AUG 13.

This area · survey operations

34 within 180 nm since 2002 · 2 in the last 12 months · 2 in force now

02
05
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25
26

Season · when survey operations happen here

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F
M
A
M
J
J
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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

86 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.