Surveys
Underwater operations by M/V atlantis and submersible alvin: a. 270700Z to 280001Z jul in area within two…
Eastern North Pacific · California · NAVAREA XII 468/23
- issued
- 2023-07-26 14:39Z
- status
- cancelled 2023-07-29 01:00Z (archive)
- self-cancels
- 2023-07-29 01:00Z
- authority
- WHOI 0/23 261426Z JUL 23.
- position
- 33.792, -118.700
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
CALIFORNIA.
1. UNDERWATER OPERATIONS BY M/V ATLANTIS AND
SUBMERSIBLE ALVIN:
A. 270700Z TO 280001Z JUL IN AREA WITHIN
TWO MILES OF 33-39.00N 118-33.00W.
B. 280700Z TO 290001Z JUL IN AREA WITHIN
TWO MILES OF 33-56.00N 118-51.00W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 290100Z JUL 23.
This area · survey operations
23 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 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 051500Z thru 210001Z nov by M/V sally ride in area bound by 29-50.76N 123-35.22W,…2022-11-02
- Underwater operations 141500Z to 292300Z aug by r/v bold horizon in area bound by 33-23.30N 124-19.40W,…2022-08-09
Season · when survey operations happen here
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F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
- Hazardous operations 181700Z to 190001Z aug, alternate 1700Z to 0100Z daily, 20 thru 21 aug in area bound by…Exercises · 38.9 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 · 56.8 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 · 62.8 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 · 98.5 nm
- Hazardous operations 191500Z to 202300Z aug in area within two miles of 32-35.87N 117-10.87WExercises · 104.7 nm
- Coronado island south light 32-23.5N 117-14.5W unlitNav aids · 111.6 nm
Worldwide now
75 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.