index

HYDROARC warnings in force as of 151540 dec

HYDROARC 318/23

issued
2023-12-15 15:46Z
status
cancelled 2026-08-14 18:10Z (dropped from inforce)
cancels
HYDROARC 312/23
authority
NGA NAVSAFETY 0/23 151540Z DEC 23.
source
nga_json · first seen 2026-08-17 13:41Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 151540 DEC.
   ALL THE INFORCE WARNINGS ARE LISTED HERE.
   317/2023, 316/2023, 315/2023, 313/2023,
   311/2023, 310/2023, 272/2023, 270/2023, 269/2023,
   259/2023, 258/2023, 254/2023, 243/2023, 240/2023,
   239/2023, 181/2023, 178/2023, 163/2023, 162/2023,
   157/2023, 156/2023, 155/2023.
   359/2022, 293/2022, 291/2022, 262/2022, 260/2022,
   235/2022, 228/2022, 224/2022, 223/2022, 198/2022,
   175/2022, 152/2022.
   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 312/23.

Timeline

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.