Exercises
Hazardous operations are occurring near Guam and the Northern Mariana Islands until 02:00 UTC on September 13, within a defined area.
North Pacific · Guam · Northern Mariana Islands · HYDROPAC 2554/26
- issued
- 2026-09-03 08:42Z
- status
- cancelled 2026-09-08 17:45Z (dropped from inforce)
- self-cancels
- 2026-09-13 03:00Z
- sea
- North Pacific Ocean
- position
- 13.492, 146.167
- source
- nga_inforce · first seen 2026-09-08 18:32Z
Original warning text
NORTH PACIFIC. GUAM. NORTHERN MARIANA ISLANDS. 1. HAZARDOUS OPERATIONS 112200Z TO 121359Z AND 121400Z TO 130200Z SEP IN AREA BOUND BY 13-04.00N 145-18.00E, 13-04.00N 147-02.00E, 13-55.00N 147-02.00E, 13-55.00N 145-18.00E. 2. CANCEL THIS MSG 130300Z SEP 26.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2026-09-11 22:00Z | 2026-09-12 13:59Z | — | 15 h 59 |
| 2026-09-12 14:00Z | 2026-09-13 02:00Z | — | 12 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
2024 within 180 nm since 2002 · 50 in the last 12 months · 8 in force now
02
05
10
15
20
25
26
- Hazardous operations2026-09-06
- Hazardous operations 2200Z to 1359Z daily 11 and 12 sep in area bound by 17-00.00N 145-04.98E, 17-00.00N…2026-09-06
- Hazardous operations 091000Z to 091359Z and 091400Z to 091800Z sep in area bound by 12-50.00N 145-00.00E,…2026-09-04
- Hazardous operations2026-09-03
- Hazardous operations 102000Z to 102230Z sep in area bound by 13-32.00N 144-38.00E, 13-53.00N 145-02.00E,…2026-09-03
- Hazardous operations 102230Z to 110600Z sep in area bound by 13-04.00N 145-18.00E, 13-04.00N 146-10.00E,…2026-09-03
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
- Hazardous operations 092200Z to 100600Z sep in area bound by 12-49.00N 146-15.00E, 12-49.00N 146-52.00E,…Exercises · 23.3 nm
- Hazardous operations 090430Z to 090830Z sep in area bound by 13-04.00N 145-18.00E, 13-04.00N 146-10.00E,…Exercises · 25.3 nm
- Hazardous operations 092230Z to 100230Z sep in area bound by 13-04.00N 145-18.00E, 13-04.00N 146-10.00E,…Exercises · 25.3 nm
- Due to tropical storm bavi: 1. the following port(s) are closed: a. rota island 14-08.35N 145-08.09EStorms · 73.1 nm
- Uscg remote communication facility guam 13-29.00N 144-50.00E broadcast and communication services unreliableNav aids · 77.8 nm
- Guam hf NAVTEX station, V, 13-29.0N 144-50.0E, off airNav aids · 77.8 nm
- Hazardous operations 091000Z to 091359Z and 091400Z to 091800Z sep in area bound by 12-50.00N 145-00.00E,…Exercises · 93.7 nm
- Hazardous operations 2200Z to 0700Z daily 09 thru 11 sep in area bound by 13-45.00N 144-19.98E, 13-45.00N…Exercises · 99.6 nm
Worldwide now
30 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.