index

HYDROARC warnings in force as of 081732 dec

HYDROARC 312/23

issued
2023-12-08 17:35Z
status
cancelled 2023-12-15 15:46Z (archive)
cancels
HYDROARC 309/23
authority
NGA NAVSAFETY 0/23 081732Z DEC 23.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 081732 DEC.
   ALL THE INFORCE WARNINGS ARE LISTED HERE.
   311/2023, 310/2023, 283/2023, 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 309/23.

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.