Exercises · Exercises
Hazardous operations are underway in the North Pacific Marianas area from 08 to 10 September, within a defined boundary, until 100900Z September.
North Pacific, Marianas · NAVAREA XI 394/26
- issued
- 2026-09-03 12:00Z
- status
- in force
- self-cancels
- 2026-09-10 09:00Z
- authority
- Japan Coast Guard (JHOD)
- sea
- Philippine Sea
- position
- 16.362, 145.880
- nearest port
- Saipan · 69 nm
- source
- jhod · first seen 2026-09-03 12:06Z
Original warning text
NORTH PACIFIC, MARIANAS. HAZARDOUS OPERATIONS. 0100Z TO 0800Z DAILY 08 TO 10 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 100900Z SEP.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2026-09-08 01:00Z | 2026-09-08 08:00Z | — | 7 h |
| 2026-09-09 01:00Z | 2026-09-09 08:00Z | — | 7 h |
| 2026-09-10 01:00Z | 2026-09-10 08:00Z | — | 7 h |
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
1389 within 180 nm since 2002 · 16 in the last 12 months · 4 in force now
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05
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15
20
25
26
- 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
- Hazardous operations2026-08-22
Season · when military exercises happen here
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F
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A
M
J
J
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month of issue, all years in the archive
Nearby now · within 120 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.