index

HYDROARC warnings in force as of 041336Z jan 19: 348/18, 333/18, 301/18, 299/18, 298/18, 297/18, 256/18,…

HYDROARC 1/19

issued: 2019-01-04 13:40Z
status: cancelled 2019-01-11 15:03Z (archive)
cancels: HYDROARC 228/17 HYDROARC 267/17 HYDROARC 270/18 HYDROARC 347/18
authority: SFH 041336Z JAN 19.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 041336Z JAN 19:
   348/18, 333/18, 301/18, 299/18, 298/18, 297/18,
   256/18, 255/18, 254/18, 229/18, 225/18, 147/18,
   146/18, 145/18.
   306/17, 288/17, 189/17, 188/17, 139/17.
   205/16, 155/16.
   345/15.
   131/14, 131/14.
   193/12.
2. THE COMPLETE TEXT OF ALL IN-FORCE HYDROARC
   BROADCAST WARNINGS ARE AVAILABLE ON THE NGA
   MARITIME SAFETY INFORMATION WEBSITE AT:
   msi.nga.mil/NGAPortal/MSI.portal.
   ALTERNATIVELY, THESE MAY BE REQUESTED BY E-MAIL
   FROM NGA AT [email protected].
3. CANCEL HYDROARC 228/17, 267/17, 270/18, 347/18.

Timeline

Shoals reported: a. 6.0 meters in 69-30.76N 094-59.05Wcancels · 2017-08-26
4.27 meter depth reported in 68-24.82N 096-21.65Wcancels · 2017-09-12
Sub-surface scientific moorings established in: a. 69-46.31N 139-15.49W, top float 16 meterscancels · 2018-10-11
HYDROARC warnings in force as of 281202Z dec 18: 333/18, 301/18, 299/18, 298/18, 297/18, 270/18, 256/18,…cancels · 2018-12-28
Shoals reported: a. 6.0 meters in 69-30.76N 094-59.05Wreplaced · 2017-08-26
4.27 meter depth reported in 68-24.82N 096-21.65Wreplaced · 2017-09-12
Sub-surface scientific moorings established in: a. 69-46.31N 139-15.49W, top float 16 metersreplaced · 2018-10-11
HYDROARC warnings in force as of 281202Z dec 18: 333/18, 301/18, 299/18, 298/18, 297/18, 270/18, 256/18,…replaced · 2018-12-28
HYDROARC warnings in force as of 111459Z jan 19: 3/19cancelled by · 2019-01-11

Nearby now · within 120 nm

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Worldwide now

8 index warnings in force

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.