Surveys
Underwater operations 08 thru 15 dec by M/V melville with submersible in area bound by 32-36N 117-12W,…
Eastern North Pacific · California · NAVAREA XII 329/12
- issued
- 2012-12-03 10:40Z
- status
- cancelled 2012-12-16 00:01Z (archive)
- authority
- MELVILLE 200714Z NOV 12.
- sea
- North Pacific Ocean
- position
- 32.836, -117.597
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. CALIFORNIA. 1. UNDERWATER OPERATIONS 08 THRU 15 DEC BY M/V MELVILLE WITH SUBMERSIBLE IN AREA BOUND BY 32-36N 117-12W, 32-36N 117-54W, 33-06N 117-54W, 33-06N 117-24W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 16 DEC 12.
This area · survey operations
13 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now
12
15
20
23
- California 1. underwater operation 280700Z to 282359Z jul by M/V atlantis in area within two miles of…2023-07-27
- Underwater operations by M/V atlantis and submersible alvin: a. 270700Z to 280001Z jul in area within two…2023-07-26
- Underwater operations by r/v atlantis and dsv alvin 0700Z to 2359Z daily: a. 16 jul in area within 2 miles…2023-07-11
- Underwater operations 240900Z jun to 120900Z jul by M/V atlantis with submersible alvin in area bound by…2023-06-19
- Underwater operations 081400Z to 090200Z dec by M/V rebekah and usv sea hunter in areas bound by: a.…2022-12-03
- Underwater operations 170500Z jul until further notice by c/s ile de sein in 33-31.9N 118-21.0W2021-07-17
Season · when survey operations happen here
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F
M
A
M
J
J
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D
month of issue, all years in the archive
Nearby now · within 120 nm
- Hazardous operations 191500Z to 202300Z aug in area within two miles of 32-35.87N 117-10.87WExercises · 25.4 nm
- Coronado island south light 32-23.5N 117-14.5W unlitNav aids · 32.2 nm
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…Exercises · 40.4 nm
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Exercises · 41.8 nm
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…Exercises · 63.9 nm
- Hazardous operations 181700Z to 190001Z aug, alternate 1700Z to 0100Z daily, 20 thru 21 aug in area bound by…Exercises · 109.5 nm
Worldwide now
84 survey operations in force · see all
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
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.