Exercises

Hazardous operations: a. 2016Z to 2257Z daily 26 thru 28 apr in area bound by 34-38N 120-40W, 34-36N…

Eastern North Pacific · Eastern South Pacific · California · HYDROPAC 1221/21

issued: 2021-04-22 04:46Z
status: cancelled 2021-04-26 22:18Z (archive)
self-cancels: 2021-04-30 01:29Z
authority: WESTERN RANGE 121647Z APR 21.
sea: South Pacific Ocean
position: -7.325, -129.166
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
EASTERN SOUTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS:
   A. 2016Z TO 2257Z DAILY 26 THRU 28 APR
      IN AREA BOUND BY
      34-38N 120-40W, 34-36N 120-30W,
      34-07N 120-39W, 34-08N 120-44W.
   B. 2016Z TO 2257Z DAILY 26 THRU 28 APR
      IN AREA BOUND BY
      22-57N 120-46W, 23-47N 125-18W,
      26-27N 124-45W, 25-36N 120-08W.
   C. 2016Z TO 2257Z DAILY 26 THRU 28 APR
      IN AREA BOUND BY
      13-28S 121-20W, 10-47S 138-34W,
      00-47S 136-41W, 03-52S 119-54W.
   D. 2253Z TO 0029Z COMMENCING DAILY
      26 THRU 29 APR IN AREA BOUND BY
      63-14S 174-16W, 32-49S 159-58W,
      33-23S 156-28W, 64-16S 168-07W.
2. CANCEL THIS MSG 300129Z APR 21.

Activity windows · 7 in this warning

opens (UTC)	closes (UTC)	local	length
2021-04-26 20:16Z	2021-04-26 22:57Z	—	2 h 41
2021-04-26 22:53Z	2021-04-27 00:29Z	—	1 h 36
2021-04-27 20:16Z	2021-04-27 22:57Z	—	2 h 41
2021-04-27 22:53Z	2021-04-28 00:29Z	—	1 h 36
2021-04-28 20:16Z	2021-04-28 22:57Z	—	2 h 41
2021-04-28 22:53Z	2021-04-29 00:29Z	—	1 h 36
2021-04-29 22:53Z	2021-04-30 00:29Z	—	1 h 36

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

2 within 180 nm since 2021 · 0 in the last 12 months · 0 in force now

Hazardous operations: a. 2016Z to 2257Z daily 26 thru 28 apr in area bound by 34-38N 120-40W, 34-36N…2021-04-22

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Cancel HYDROPAC 1221/21 and this msg, operations completedcancelled by · 2021-04-26

Nearby now · within 120 nm

Nothing else in force 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.