index

HYDROARC warnings in force as of 191319Z mar 21: 38/21, 37/21, 36/21, 9/21, 8/21

HYDROARC 39/21

issued: 2021-03-19 13:23Z
status: cancelled 2021-03-26 12:08Z (archive)
cancels: HYDROARC 35/21
authority: SFH 191323Z MAR 21.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 191319Z MAR 21:
   38/21, 37/21, 36/21, 9/21, 8/21.
   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 35/21.

Timeline

HYDROARC warnings in force as of 121347Z mar 21: 32/21, 9/21, 8/21cancels · 2021-03-12
HYDROARC warnings in force as of 121347Z mar 21: 32/21, 9/21, 8/21replaced · 2021-03-12
HYDROARC warnings in force as of 261129Z mar 21: 44/21, 42/21, 41/21, 40/21, 38/21, 9/21cancelled by · 2021-03-26

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.