index

HYDROARC warnings in force as of 101202Z apr 20: 51/20, 50/20, 49/20, 46/20, 43/20, 42/20, 41/20, 39/20,…

HYDROARC 52/20

issued: 2020-04-10 13:58Z
status: cancelled 2020-04-17 13:21Z (archive)
cancels: HYDROARC 45/20
authority: SFH 101358Z APR 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 101202Z APR 20:
   51/20, 50/20, 49/20, 46/20, 43/20, 42/20,
   41/20, 39/20, 22/20, 2/20, 306/19, 252/19.
2. THE COMPLETE TEXT OF ALL IN-FORCE HYDROARC
   BROADCAST WARNINGS ARE AVAILABLE ON THE NGA
   MARITIME SAFETY INFORMATION WEBSITE AT:
   msi.nga.mil/NavWarnings.
   ALTERNATIVELY, THESE MAY BE REQUESTED BY E-MAIL
   FROM NGA AT [email protected].
3. CANCEL HYDROARC 45/20.

Timeline

HYDROARC warnings in force as of 031145Z apr 20: 43/20, 42/20, 41/20, 39/20, 22/20, 2/20, 306/19, 252/19cancels · 2020-04-03
HYDROARC warnings in force as of 031145Z apr 20: 43/20, 42/20, 41/20, 39/20, 22/20, 2/20, 306/19, 252/19replaced · 2020-04-03
HYDROARC warnings in force as of 171314Z apr 20: 53/20, 50/20, 43/20, 42/20, 41/20, 39/20, 22/20, 2/20cancelled by · 2020-04-17

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Worldwide now

9 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.