Exercises
Hazardous operations 261400Z to 301359Z mar in area bound by 12-20.00N 147-30.00E, 12-20.00N 145-50.00E,…
Western North Pacific · Guam · HYDROPAC 977/23
- issued
- 2023-03-23 08:51Z
- status
- cancelled 2023-03-24 03:00Z (archive)
- self-cancels
- 2023-03-30 14:59Z
- authority
- COMCOGARD FORCES MICRONESIA SECTOR GUAM 117/23 230801Z MAR 23.
- sea
- North Pacific Ocean
- position
- 13.167, 146.667
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. GUAM. DNC 12. 1. HAZARDOUS OPERATIONS 261400Z TO 301359Z MAR IN AREA BOUND BY 12-20.00N 147-30.00E, 12-20.00N 145-50.00E, 14-00.00N 145-50.00E, 14-00.00N 147-30.00E. 2. CANCEL THIS MSG 301459Z MAR 23.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-03-26 14:00Z | 2023-03-30 13:59Z | — | 95 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
1951 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
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month of issue, all years in the archive
Timeline
- Cancel HYDROPAC 977/23 and this msgcancelled by · 2023-03-24
Nearby now · within 120 nm
- Hazardous operations 0100Z to 1300Z daily 18 thru 20 aug in areas within three miles of: a. 13-27.00N…Exercises · 108 nm
- Due to tropical storm bavi: 1. the following port(s) are closed: a. rota island 14-08.35N 145-08.09EOther · 108.2 nm
- Uscg remote communication facility guam 13-29.00N 144-50.00E hf capabilities unreliableNav aids · 108.8 nm
- Uscg remote communication facility guam 13-29.00N 144-50.00E broadcast and communication services unreliableNav aids · 108.8 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.