Exercises

Hazardous operations occur daily from 12 through 17 April in an area bounded by coordinates near 17N 145E, 17N 146E, 15N 146E, and 15N 145E.

North Pacific · Philippine Sea · Northern Mariana Islands · HYDROPAC 1055/26

issued
2026-04-08 09:10Z
status
cancelled 2026-08-17 00:00Z (dropped from snapshot)
self-cancels
2026-04-18 14:59Z
sea
Philippine Sea
position
16.362, 145.880
source
nga_wayback · first seen 2026-04-17 16:00Z

Original warning text

NORTH PACIFIC.
PHILIPPINE SEA.
NORTHERN MARIANA ISLANDS.
1. HAZARDOUS OPERATIONS 1400Z TO 1359Z
   DAILY 12 THRU 17 APR IN AREA BOUND BY
   17-00.00N 145-04.98E, 17-00.00N 146-27.65E,
   15-25.00N 146-27.65E, 15-25.00N 146-25.00E,
   15-40.37N 146-12.03E, 15-43.60N 145-27.77E.
2. CANCEL THIS MSG 181459Z APR 26.

Activity windows · 6 in this warning

opens (UTC)closes (UTC)locallength
2026-04-12 14:00Z2026-04-13 13:59Z—23 h 59
2026-04-13 14:00Z2026-04-14 13:59Z—23 h 59
2026-04-14 14:00Z2026-04-15 13:59Z—23 h 59
2026-04-15 14:00Z2026-04-16 13:59Z—23 h 59
2026-04-16 14:00Z2026-04-17 13:59Z—23 h 59
2026-04-17 14:00Z2026-04-18 13:59Z—23 h 59

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

1382 within 180 nm since 2002 · 9 in the last 12 months · 2 in force now

02
05
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25
26

Season · when military exercises happen here

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

Nearby now · within 120 nm

Worldwide now

36 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.