Exercises

Hazardous operations 311359Z to 311608Z mar, alternate 031359Z to 031608Z apr in areas bound by: a. 34-42.0N…

Eastern North Pacific · California · NAVAREA XII 169/23

issued
2023-03-31 03:46Z
status
cancelled 2023-03-31 13:35Z (archive)
self-cancels
2023-04-03 17:08Z
cancels
NAVAREA XII 149/23
authority
WESTERN RANGE 0/23 301819Z MAR 23.
sea
North Pacific Ocean
position
31.067, -119.966
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 311359Z TO 311608Z MAR,
   ALTERNATE 031359Z TO 031608Z APR
   IN AREAS BOUND BY:
   A. 34-42.0N 120-40.0W, 34-34.0N 120-20.0W,
      34-22.0N 120-19.0W, 33-44.0N 120-21.0W,
      33-45.0N 120-28.0W, 34-26.0N 120-42.0W.
   B. 31-33.0N 120-04.0W, 31-33.0N 120-01.0W,
      30-35.0N 119-39.0W, 30-00.0N 119-31.0W,
      29-56.0N 120-03.0W, 30-32.0N 120-08.0W.
2. CANCEL NAVAREA XII 149/23.
3. CANCEL THIS MSG 031708Z APR 23.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2023-03-31 13:59Z2023-03-31 16:08Z—2 h 09
2023-04-03 13:59Z2023-04-03 16:08Z—2 h 09

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

1058 within 180 nm since 1999 · 5 in the last 12 months · 5 in force now

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Season · when military exercises happen here

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Timeline

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.