Exercises · Exercises
Hazardous operations in an area bounded by coordinates near the Marianas, North Pacific, daily from 11 to 12 September, 2200Z to 1359Z.
North Pacific, Marianas · NAVAREA XI 397/26
- issued
- 2026-09-06 12:00Z
- status
- in force
- self-cancels
- 2026-09-13 13:59Z
- authority
- Japan Coast Guard (JHOD)
- sea
- Philippine Sea
- position
- 16.362, 145.880
- nearest port
- Saipan · 69 nm
- source
- jhod · first seen 2026-09-06 12:21Z
Original warning text
NORTH PACIFIC, MARIANAS. HAZARDOUS OPERATIONS. 2200Z TO 1359Z DAILY 11 TO 12 SEP. AREA BOUNDED BY 17-00.00N 145-04.98E 17-00.00N 146-27.65E 15-25.00N 146-27.65E 15-25.00N 146-25.00E 15-40.37N 146-12.03E 15-43.60N 145-27.77E. CANCEL THIS MSG 131359Z SEP.
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 22:00Z | 2026-09-13 13:59Z | — | 15 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Conditions at the position · now
loading…
MET Norway · NOAA WaveWatch III · HYCOM · GEBCO 2020 · model data at the centroid, not an observation
This area · military exercises
1390 within 180 nm since 2002 · 17 in the last 12 months · 5 in force now
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26
- Hazardous operations2026-09-03
- Hazardous operations 082200Z to 090300Z sep in area bound by 13-04.00N 145-18.00E, 13-04.00N 147-02.00E,…2026-09-03
- Hazardous operations 0100Z to 0800Z daily 08 thru 10 sep in area bound by 17-00.00N 145-04.98E, 17-00.00N…2026-09-03
- Hazardous operations 0100Z to 0800Z daily 01 thru 03 sep in area bound by 17-00.00N 145-04.98E, 17-00.00N…2026-08-27
- Hazardous operations 0100Z to 1300Z daily 01 thru 03 sep in areas within: a. three miles of 13-27.00N…2026-08-27
- Hazardous operations 0100Z to 0600Z daily 31 aug and 01 sep and 022000Z to 030800Z sep in area bound by…2026-08-27
Season · when military exercises happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Hazardous operations 0100Z to 0800Z daily 01 thru 03 sep in area bound by 17-00.00N 145-04.98E, 17-00.00N…Exercises · 0 nm
- Hazardous operationsExercises · 0 nm
Worldwide now
46 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.