index

HYDROARC warnings in force as of 101518Z mar

HYDROARC 25/23

issued: 2023-03-10 15:24Z
status: cancelled 2023-03-17 14:44Z (archive)
cancels: HYDROARC 21/23
authority: NGA NAVSAFETY 0/23 101518Z MAR 23.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 101518Z MAR.
   ALL THE INFORCE WARNINGS ARE LISTED HERE.
   24/2023, 23/2023, 22/2023, 20/2023, 19/2023.
   359/2022, 325/2022, 293/2022, 291/2022, 283/2022,
   271/2022, 262/2022, 260/2022, 251/2022, 247/2022,
   235/2022, 228/2022, 224/2022, 223/2022, 209/2022,
   198/2022, 181/2022, 175/2022, 152/2022, 151/2022.
   208/2021, 207/2021.
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 21/23.

Timeline

HYDROARC warnings in force as of 031425Z marcancels · 2023-03-03
HYDROARC warnings in force as of 031425Z marreplaced · 2023-03-03
HYDROARC warnings in force as of 171439Z marcancelled by · 2023-03-17

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.