Surveys

Underwater operations 250600Z sep to 100600Z oct by submersible alvin and vessel atlantis in area within 65…

Gulf of Mexico · Louisiana · NAVAREA IV 963/22

issued
2022-09-21 01:04Z
status
cancelled 2022-10-10 07:00Z (archive)
self-cancels
2022-10-10 07:00Z
authority
WHOI 0/22 202349Z SEP 22.
sea
Gulf of Mexico
position
27.500, -90.750 · r 65.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF MEXICO.
LOUISIANA.
1. UNDERWATER OPERATIONS 250600Z SEP TO 100600Z OCT
   BY SUBMERSIBLE ALVIN AND VESSEL ATLANTIS
   IN AREA WITHIN 65 MILES OF 27-30.00N 090-45.00W.
2. CANCEL THIS MSG 100700Z OCT 22.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2022-09-25 06:00Z2022-10-10 06:00Z360 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

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

02
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

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.