Exercises

Hazardous operations 0500Z to 1900Z daily 01 thru 20 nov in area bound by 23-01.03S 043-47.33W, 23-10.03S…

Western South Atlantic · Brazil-south Coast · HYDROLANT 2645/21

issued
2021-10-27 09:00Z
status
cancelled 2021-11-20 20:00Z (archive)
self-cancels
2021-11-20 20:00Z
authority
NAVAREA V COASTAL S 745/21 262002Z OCT 21.
sea
South Atlantic Ocean
position
-23.064, -43.884
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTH COAST.
DNC 01.
1. HAZARDOUS OPERATIONS 0500Z TO 1900Z DAILY
   01 THRU 20 NOV IN AREA BOUND BY
   23-01.03S 043-47.33W, 23-10.03S 043-52.03W,
   23-08.00S 043-56.53W, 23-04.18S 043-58.14W,
   22-59.78S 043-56.02W, 22-58.56S 043-51.78W.
2. CANCEL THIS MSG 202000Z NOV 21.

Activity windows · 20 in this warning

opens (UTC)closes (UTC)locallength
2021-11-01 05:00Z2021-11-01 19:00Z14 h
2021-11-02 05:00Z2021-11-02 19:00Z14 h
2021-11-03 05:00Z2021-11-03 19:00Z14 h
2021-11-04 05:00Z2021-11-04 19:00Z14 h
2021-11-05 05:00Z2021-11-05 19:00Z14 h
2021-11-06 05:00Z2021-11-06 19:00Z14 h
2021-11-07 05:00Z2021-11-07 19:00Z14 h
2021-11-08 05:00Z2021-11-08 19:00Z14 h
12 more

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · military exercises

619 within 180 nm since 1999 · 2 in the last 12 months · 1 in force now

99
00
05
10
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20
25
26

Season · when military exercises 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

35 military exercises in force · see all

Exercises

Gunnery, firing and naval exercise areas. All current military exercises

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.