Surveys

Survey operations are underway off Suriname in the North Atlantic until 30 November by vessel San Jacinto II, requesting a two-mile berth; cancellation is 1 December 2026.

North Atlantic Ocean · NAVAREA IV 950/26

What this record establishes

Cancelled notice · 2026-09-30 15:00Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates
NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-09-30 12:07Z. First collected 2026-09-30 16:02Z; last seen in collection 2026-10-01 01:32Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
North Atlantic Ocean. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the North Atlantic Ocean →

issued
2026-09-30 12:07Z
status
Cancelled notice
self-cancels
2026-12-01 00:01Z
NAVAREA
NAVAREA IV
sea
North Atlantic Ocean
position
7.075, -54.663
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-30 16:02Z

Original warning text

NORTH ATLANTIC.
SURINAME.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 NOV
   BY M/V SAN JACINTO II IN AREAS BOUND BY:
   A. 06-45.00N 055-00.00W, 07-00.00N 055-00.00W,
      07-00.00N 055-05.00W, 07-05.00N 055-05.00W,
      07-05.00N 054-20.00W, 06-45.00N 054-20.00W.
   B. 07-05.00N 055-00.00W, 07-15.00N 055-00.00W,
      07-15.00N 054-55.00W, 07-25.00N 054-55.00W,
      07-25.00N 054-20.00W, 07-05.00N 054-20.00W.
   TWO MILE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z DEC 26.

Reading this warning

Survey operations
A research or survey vessel is mapping the seabed or water column, often while towing equipment.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
Position (degrees and minutes)
How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
Wide berth requested
Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · survey operations

280 within 180 nm since 2003 · 12 in the last 12 months · 8 listed in force now

03
05
10
15
20
25
26

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

Worldwide in the collected sources

55 survey operations listed in force · see all

Record snapshot 2026-10-01 01:45Z; source collection times vary.

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.