Exercises
Hazardous operations
Western North Pacific · Mariana Islands · HYDROPAC 230/15
- issued
- 2015-01-21 09:49Z
- status
- cancelled 2015-01-22 14:55Z (archive)
- self-cancels
- 2015-01-22 14:55Z
- authority
- COMCOGARD SECTOR GUAM 44/15 210605Z JAN 15.
- sea
- North Pacific Ocean
- position
- 16.018, 146.060 · r 12.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. MARIANA ISLANDS. HAZARDOUS OPERATIONS. DNC 12. 1. HAZARDOUS OPERATIONS 220001Z TO 221355Z JAN WITHIN 12 MILES OF 16-01-06N 146-03-35E. 2. CANCEL THIS MSG 221455Z JAN 15.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-01-22 00:01Z | 2015-01-22 13:55Z | — | 13 h 54 |
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
1470 within 180 nm since 2002 · 12 in the last 12 months · 2 in force now
02
05
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15
20
25
26
- Hazardous operations2026-08-22
- Hazardous operations 0100Z to 1300Z daily 24 thru 27 aug in areas within three miles of: a. 13-27.00N…2026-08-20
- Hazardous operations 0100Z to 1300Z daily 25 thru 27 aug in areas within three miles of: a. 13-27.00N…2026-08-19
- Hazardous operations 0100Z to 1300Z daily 18 thru 20 aug in areas within three miles of: a. 13-27.00N…2026-08-12
- Hazardous operations 0100Z to 1300Z daily 21 thru 23 apr in areas within three miles of: a. 13-27.00N…2026-04-17
- Hazardous operations 172200Z to 181200Z apr in area bound by 13-30.00N 145-09.00E, 13-30.00N 145-30.00E,…2026-04-17
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
- Due to tropical storm, the following ports are closed, until further noticeOther · 59.6 nm
- Hazardous operationsExercises · 89.8 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.