Exercises
Hazardous operations 180001Z to 180830Z, 182300Z to 190800Z, 200001Z to 200730Z, 202200Z to 210900Z and…
Western North Pacific · Mariana Islands · HYDROPAC 2364/21
- issued
- 2021-08-18 04:13Z
- status
- cancelled 2021-08-22 10:00Z (archive)
- self-cancels
- 2021-08-22 10:00Z
- authority
- COMCOGARD SECTOR GUAM 337/21 171938Z AUG 21.
- sea
- Philippine Sea
- position
- 16.018, 146.056 · r 12.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. MARIANA ISLANDS. DNC 12. 1. HAZARDOUS OPERATIONS 180001Z TO 180830Z, 182300Z TO 190800Z, 200001Z TO 200730Z, 202200Z TO 210900Z AND 212200Z TO 220900Z AUG IN AREA WITHIN 12 MILES OF 16-01.06N 146-03.35E. 2. CANCEL THIS MSG 221000Z AUG 21.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-08-18 00:01Z | 2021-08-18 08:30Z | — | 8 h 29 |
| 2021-08-18 23:00Z | 2021-08-19 08:00Z | — | 9 h |
| 2021-08-20 00:01Z | 2021-08-20 07:30Z | — | 7 h 29 |
| 2021-08-20 22:00Z | 2021-08-21 09:00Z | — | 11 h |
| 2021-08-21 22:00Z | 2021-08-22 09:00Z | — | 11 h |
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
1449 within 180 nm since 2002 · 1 in the last 12 months · 1 in force now
02
05
10
15
20
25
26
- 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 2300Z to 1300Z daily 13 thru 15 may in areas within five miles of: a. 13-26.00N…2024-05-08
- Hazardous operations 2200Z to 0600Z 12 thru 19 may in vicinity 13-24.00N 144-39.15E2024-05-07
- Hazardous operations 082300Z to 091300Z may in areas within five miles of: a. 13-26.00N 145-08.00E2024-05-03
- Hazardous operations 2300Z to 1300Z daily 06 and 07 may in area within five miles of 13-26.00N 145-08.00E2024-05-01
- Hazardous operations 2200Z to 0600Z daily 05 thru 07 may in area bound by 13-45.00N 144-19.98E, 13-45.00N…2024-04-30
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
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.