Exercises · Exercises
Hazardous operations take place in the North Pacific near the Marianas from 22:00 UTC September 17 to 13:00 UTC September 18 inside a bounded area.
North Pacific, Marianas · NAVAREA XI 410/26
- issued
- 2026-09-15 12:00Z
- status
- in force
- self-cancels
- 2026-09-18 14:00Z
- authority
- Japan Coast Guard (JHOD)
- sea
- North Pacific Ocean
- position
- 15.859, 146.784
- nearest port
- Saipan · 72 nm
- source
- jhod · first seen 2026-09-15 12:21Z
Original warning text
NORTH PACIFIC, MARIANAS. HAZARDOUS OPERATIONS. 172200Z TO 181300Z SEP. AREA BOUNDED BY 17-00.00N 145-04.98E 17-00.00N 147-00.00E 16-09.47N 148-09.77E 14-45.00N 148-00.00E 14-16.00N 146-25.00E 15-25.00N 146-25.00E 15-40.37N 146-12.03E 15-43.60N 145-27.77E CANCEL THIS MSG 181400Z SEP.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2026-09-17 22:00Z | 2026-09-18 13:00Z | — | 15 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
1411 within 180 nm since 2002 · 32 in the last 12 months · 1 in force now
02
05
10
15
20
25
26
- Hazardous operations 131400Z to 140600Z sep in area bound by 13-14.00N 145-00.00E, 13-14.00N 146-32.00E,…2026-09-09
- Hazardous operations 142230Z to 150600Z, 2200Z to 0600Z daily 15 and 16 sep in area bound by 13-32.00N…2026-09-09
- Hazardous operations 140600Z to 141300Z, 0100Z to 1300Z daily 15 thru 17 sep in area within three miles of…2026-09-09
- 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 operations2026-09-03
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
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D
month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
27 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.