index

HYDROARC warnings in force as of 181235Z feb 22: 23/22, 22/22, 20/22, 9/22, 8/22

HYDROARC 24/22

issued: 2022-02-18 12:42Z
status: cancelled 2022-02-25 14:59Z (archive)
cancels: HYDROARC 21/22
authority: SFH 181236Z FEB 22.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 181235Z FEB 22:
   23/22, 22/22, 20/22, 9/22, 8/22.
   329/21, 281/21, 270/21, 257/21, 232/21, 208/21,
   207/21, 205/21, 203/21, 190/21, 176/21, 166/21.
   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 21/22.

Timeline

HYDROARC warnings in force as of 111622Z feb 22: 20/22, 19/22, 9/22, 8/22cancels · 2022-02-11
HYDROARC warnings in force as of 111622Z feb 22: 20/22, 19/22, 9/22, 8/22replaced · 2022-02-11
HYDROARC warnings in force as of 251456Z feb 22: 30/22, 9/22, 8/22cancelled by · 2022-02-25

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

11 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.