Exercises
Hazardous operations occur daily 1400Z to 1359Z September 10-12 near Guam; cancel message September 13.
North Pacific · Guam · HYDROPAC 2547/26
- issued
- 2026-09-03 08:01Z
- status
- cancelled 2026-09-08 17:45Z (dropped from inforce)
- self-cancels
- 2026-09-13 14:59Z
- sea
- North Pacific Ocean
- position
- 11.767, 144.021
- source
- nga_inforce · first seen 2026-09-08 18:32Z
Original warning text
NORTH PACIFIC. GUAM. 1. HAZARDOUS OPERATIONS 1400Z TO 1359Z DAILY 10 THRU 12 SEP IN AREA BOUND BY 13-10.00N 144-30.00E, 13-10.00N 144-41.98E, 12-49.98N 144-45.00E, 11-00.00N 144-45.00E, 11-00.00N 143-00.00E, 11-45.00N 143-00.00E, 12-49.98N 144-30.00E. 2. CANCEL THIS MSG 131459Z SEP 26.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2026-09-10 14:00Z | 2026-09-11 13:59Z | — | 23 h 59 |
| 2026-09-11 14:00Z | 2026-09-12 13:59Z | — | 23 h 59 |
| 2026-09-12 14:00Z | 2026-09-13 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
948 within 180 nm since 2002 · 40 in the last 12 months · 6 in force now
02
05
10
15
20
25
26
- Hazardous operations 091000Z to 091359Z and 091400Z to 091800Z sep in area bound by 12-50.00N 145-00.00E,…2026-09-04
- 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
- Hazardous operations 090430Z to 090830Z sep in area bound by 13-04.00N 145-18.00E, 13-04.00N 146-10.00E,…2026-09-03
- Hazardous operations 062100Z to 070200Z in area bound by 12-50.00N 145-00.00E, 12-50.00N 145-10.00E,…2026-09-03
- Hazardous operations 092230Z to 100230Z 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 1400Z to 1359Z daily 01 thru 05 sep in areas bound by: a. 12-49.98N 145-00.00E,…Exercises · 34.3 nm
- Hazardous operations 091000Z to 091359Z and 091400Z to 091800Z sep in area bound by 12-50.00N 145-00.00E,…Exercises · 98.2 nm
- Uscg remote communication facility guam 13-29.00N 144-50.00E broadcast and communication services unreliableNav aids · 113.5 nm
- Guam hf NAVTEX station, V, 13-29.0N 144-50.0E, off airNav aids · 113.5 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 · 114.6 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.