index

HYDROARC warnings in force as of 031425Z mar

HYDROARC 21/23

issued
2023-03-03 14:30Z
status
cancelled 2023-03-10 15:24Z (archive)
cancels
HYDROARC 18/23
authority
NGA NAVSAFETY 0/23 031424Z MAR 23.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 031425Z MAR.
   ALL THE INFORCE WARNINGS ARE LISTED HERE.
   20/23, 19/23, 17/23, 16/23.
   359/22, 325/22, 293/22, 291/22, 283/22, 271/22,
   262/22, 260/22, 251/22, 247/22, 235/22, 228/22,
   224/22, 223/22, 209/22, 198/22, 181/22, 175/22,
   152/22, 151/22.
   208/21, 207/21.
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 18/23.

Timeline

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.