index

HYDROARC warnings in force as of 171053Z mar 17: 39/17, 38/17, 10/17, 5/17

HYDROARC 40/17

issued: 2017-03-17 10:53Z
status: cancelled 2017-03-24 14:22Z (archive)
cancels: HYDROARC 35/17
authority: SFHGA 171053Z MAR 17.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 171053Z MAR 17:
   39/17, 38/17, 10/17, 5/17.
   343/16, 337/16, 278/16, 229/16, 222/16, 221/16,
   220/16, 205/16, 155/16, 124/16, 28/16, 4/16,
   2/16.
   362/15, 345/15, 343/15, 320/15, 248/15.
   269/14, 268/14, 158/14, 131/14.
   220/12, 193/12, 112/12.
   103/10, 102/10, 56/10.
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 35/17.

Timeline

HYDROARC warnings in force as of 101329Z mar 17: 34/17, 10/17, 5/17cancels · 2017-03-10
HYDROARC warnings in force as of 101329Z mar 17: 34/17, 10/17, 5/17replaced · 2017-03-10
HYDROARC warnings in force as of 241422Z mar 17: 42/17, 41/17, 39/17, 10/17, 5/17cancelled by · 2017-03-24

Nearby now · within 120 nm

Nothing else in force within 120 nm.

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.