index

HYDROARC warnings in force as of 141528Z dec 18: 339/18, 337/18, 333/18, 330/18, 301/18, 299/18, 298/18,…

HYDROARC 340/18

issued: 2018-12-14 15:39Z
status: cancelled 2018-12-21 11:15Z (archive)
cancels: HYDROARC 323/18 HYDROARC 335/18
authority: SFH 141528Z DEC 18.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 141528Z DEC 18:
   339/18, 337/18, 333/18, 330/18, 301/18, 299/18,
   298/18, 297/18, 270/18, 256/18, 255/18, 254/18,
   229/18, 147/18, 146/18, 145/18.
   306/17, 288/17, 267/17, 228/17, 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 323/18, 335/18.

Timeline

Vessel, white hull, four persons onboard, unreported aasiaat (68-42.58N 052-52.17W) to niaqornaarsuk…cancels · 2018-11-29
HYDROARC warnings in force as of 071451Z dec 18: 333/18, 332/18, 330/18, 327/18, 323/18, 301/18, 299/18,…cancels · 2018-12-07
Vessel, white hull, four persons onboard, unreported aasiaat (68-42.58N 052-52.17W) to niaqornaarsuk…replaced · 2018-11-29
HYDROARC warnings in force as of 071451Z dec 18: 333/18, 332/18, 330/18, 327/18, 323/18, 301/18, 299/18,…replaced · 2018-12-07
HYDROARC warnings in force as of 211111Z dec 18: 344/18, 343/18, 342/18, 333/18, 301/18, 299/18, 298/18,…cancelled by · 2018-12-21

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.