index

HYDROARC warnings in force as of 241304Z apr 20: 53/20, 43/20, 42/20, 41/20, 2/20, 306/19, 252/19

HYDROARC 57/20

issued: 2020-04-24 13:09Z
status: cancelled 2020-05-01 11:37Z (archive)
cancels: HYDROARC 54/20
authority: SFH 241305Z APR 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 241304Z APR 20:
   53/20, 43/20, 42/20, 41/20, 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 54/20.

Timeline

HYDROARC warnings in force as of 171314Z apr 20: 53/20, 50/20, 43/20, 42/20, 41/20, 39/20, 22/20, 2/20cancels · 2020-04-17
HYDROARC warnings in force as of 171314Z apr 20: 53/20, 50/20, 43/20, 42/20, 41/20, 39/20, 22/20, 2/20replaced · 2020-04-17
HYDROARC warnings in force as of 011137Z may 20: 59/20, 58/20, 43/20, 42/20, 41/20, 2/20cancelled by · 2020-05-01

Nearby now · within 120 nm

Nothing else in force within 120 nm.

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.