index

HYDROARC warnings in force as of 101838Z nov 17: 380/17, 377/17, 376/17, 374/17, 373/17, 371/17, 369/17,…

HYDROARC 381/17

issued: 2017-11-10 18:39Z
status: cancelled 2017-11-17 18:36Z (archive)
cancels: HYDROARC 372/17
authority: SFH 101839Z NOV 17.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 101838Z NOV 17:
   380/17, 377/17, 376/17, 374/17, 373/17, 371/17,
   369/17, 367/17, 334/17, 322/17, 307/17, 306/17,
   297/17, 293/17, 288/17, 287/17, 276/17, 274/17,
   268/17, 267/17, 251/17, 250/17, 235/17, 228/17,
   225/17, 224/17, 189/17, 188/17, 151/17, 139/17,
   123/17, 104/17, 97/17.
   205/16, 155/16.
   345/15, 343/15.
   269/14, 268/14, 131/14.
   220/12, 193/12, 112/12.
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 372/17.

Timeline

HYDROARC warnings in force as of 031443Z nov 17: 371/17, 370/17, 369/17, 368/17, 367/17, 364/17, 358/17,…cancels · 2017-11-03
HYDROARC warnings in force as of 031443Z nov 17: 371/17, 370/17, 369/17, 368/17, 367/17, 364/17, 358/17,…replaced · 2017-11-03
HYDROARC warnings in force as of 171830Z nov 17: 389/17, 388/17, 387/17, 383/17, 382/17, 322/17, 307/17,…cancelled by · 2017-11-17

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Worldwide now

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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.