index

HYDROARC warnings in force as of 021202Z apr 21: 47/21, 46/21, 44/21, 9/21

HYDROARC 48/21

issued: 2021-04-02 12:04Z
status: cancelled 2021-04-09 11:49Z (archive)
cancels: HYDROARC 45/21
authority: SFH 041203Z APR 21.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 021202Z APR 21:
   47/21, 46/21, 44/21, 9/21.
   249/20, 245/20, 41/20.
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 45/21.

Timeline

HYDROARC warnings in force as of 261129Z mar 21: 44/21, 42/21, 41/21, 40/21, 38/21, 9/21cancels · 2021-03-26
HYDROARC warnings in force as of 261129Z mar 21: 44/21, 42/21, 41/21, 40/21, 38/21, 9/21replaced · 2021-03-26
HYDROARC warnings in force as of 091146Z apr 21: 49/21, 47/21, 9/21cancelled by · 2021-04-09

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

10 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.