Other
Underwater ordnance detonation 302200Z to 310600Z mar in area within three miles of 13-35.97N 144-55.64E
Western North Pacific · Guam · HYDROPAC 979/23
- issued
- 2023-03-23 09:28Z
- status
- cancelled 2023-03-31 07:00Z (archive)
- self-cancels
- 2023-03-31 07:00Z
- authority
- COMCOGARD FORCES MICRONESIA SECTOR GUAM 118/23 230902Z MAR 23.
- sea
- North Pacific Ocean
- position
- 13.600, 144.927 · r 3.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. GUAM. DNC 12. 1. UNDERWATER ORDNANCE DETONATION 302200Z TO 310600Z MAR IN AREA WITHIN THREE MILES OF 13-35.97N 144-55.64E. 2. CANCEL THIS MSG 310700Z MAR 23.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-03-30 22:00Z | 2023-03-31 06:00Z | — | 8 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 · other warnings
132 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now
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26
- Due to tropical storm bavi: 1. the following port(s) are closed: a. rota island 14-08.35N 145-08.09E2026-07-10
- Uscg communication facility guam (V) 13-28.60N 144-50.10E all services unreliable2024-04-23
- Underwater ordnance detonation 2300Z to 0600Z daily 23 and 24 apr in 13-16.20N 144-22.80E2024-04-18
- Uscg communication facility guam (V) 13-28.60N 144-50.10E sitor services inoprable2024-04-14
- Uscg remote communication facility guam (V) 13-28.60N 144-50.10E transmit and receive services unreliable2024-03-16
- Bombing exercises 2200Z to 1345Z daily 25 thru 27, 282200Z to 290200Z, 290430Z to 290700Z, 292300Z feb to…2024-02-22
Season · when other warnings happen here
J
F
M
A
M
J
J
A
S
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N
D
month of issue, all years in the archive
Nearby now · within 120 nm
- Hazardous operations 0100Z to 1300Z daily 18 thru 20 aug in areas within three miles of: a. 13-27.00N…Exercises · 3.8 nm
- Uscg remote communication facility guam 13-29.00N 144-50.00E hf capabilities unreliableNav aids · 8.9 nm
- Uscg remote communication facility guam 13-29.00N 144-50.00E broadcast and communication services unreliableNav aids · 8.9 nm
- Due to tropical storm bavi: 1. the following port(s) are closed: a. rota island 14-08.35N 145-08.09EOther · 37.3 nm
Worldwide now
34 other warnings in force · see all
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.