index

HYDROARC warnings in force as of 191325Z nov 21: 326/21, 324/21, 323/21, 321/21, 317/21, 315/21, 299/21,…

HYDROARC 327/21

issued: 2021-11-19 13:26Z
status: cancelled 2021-11-26 13:20Z (archive)
cancels: HYDROARC 320/21
authority: SFH 191321Z NOV 21.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 191325Z NOV 21:
   326/21, 324/21, 323/21, 321/21, 317/21, 315/21,
   299/21, 281/21, 278/21, 270/21, 257/21, 232/21,
   208/21, 207/21, 205/21, 203/21, 190/21, 176/21,
   166/21.
   249/20, 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 320/21.

Timeline

HYDROARC warnings in force as of 121618Z nov 21: 319/21, 318/21, 317/21, 316/21, 315/21, 314/21, 311/21,…cancels · 2021-11-12
HYDROARC warnings in force as of 121618Z nov 21: 319/21, 318/21, 317/21, 316/21, 315/21, 314/21, 311/21,…replaced · 2021-11-12
HYDROARC warnings in force as of 261317Z nov 21: 329/21, 328/21, 326/21, 323/21, 321/21, 315/21, 299/21,…cancelled by · 2021-11-26

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.