Exercises

Hazardous operations: a. 150157Z to 150318Z sep, alternate 160157Z to 160318Z sep in area bound by 25-50.00N…

Eastern North Pacific · NAVAREA XII 635/23

issued
2023-09-14 18:11Z
status
cancelled 2023-09-15 04:13Z (archive)
self-cancels
2023-09-16 05:16Z
cancels
NAVAREA XII 634/23
authority
WESTERN RANGE 0/23 141701Z SEP 23.
sea
North Pacific Ocean
position
37.555, -143.895
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
1. HAZARDOUS OPERATIONS:
    A. 150157Z TO 150318Z SEP, ALTERNATE
      160157Z TO 160318Z SEP IN AREA BOUND BY
      25-50.00N 126-00.00W, 26-00.00N 126-35.00W,
      25-28.00N 126-51.00W, 24-59.00N 125-50.00W,
      25-31.00N 125-33.00W.
   B. 150406Z TO 150416Z SEP, ALTERNATE
      160406Z TO 160416Z SEP IN AREA BOUND BY
      46-06.00N 141-21.00W, 46-21.00N 143-08.00W,
      28-18.00N 147-24.00W, 27-54.00N 146-22.00W.
2. CANCEL NAVAREA XII 634/23.
3. CANCEL THIS MSG 160516Z SEP 23.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2023-09-15 01:57Z2023-09-15 03:18Z—1 h 21
2023-09-15 04:06Z2023-09-15 04:16Z—10 min
2023-09-16 01:57Z2023-09-16 03:18Z—1 h 21
2023-09-16 04:06Z2023-09-16 04:16Z—10 min

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

5 within 180 nm since 1993 · 0 in the last 12 months · 0 in force now

93
95
00
05
10
15
20
23

Season · when military exercises happen here

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

Timeline

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.