index

HYDROARC warnings in force as of 041259Z dec 20: 288/20, 287/20, 286/20, 285/20, 284/20, 273/20, 271/20,…

HYDROARC 290/20

issued: 2020-12-04 13:48Z
status: cancelled 2020-12-11 13:23Z (archive)
cancels: HYDROARC 283/20
authority: SFH 041347Z DEC 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 041259Z DEC 20:
   288/20, 287/20, 286/20, 285/20, 284/20, 273/20,
   271/20, 249/20, 246/20, 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 283/20.

Timeline

HYDROARC warnings in force as of 271235Z nov 20: 282/20, 277/20, 273/20, 271/20, 249/20, 246/20, 245/20,…cancels · 2020-11-27
HYDROARC warnings in force as of 271235Z nov 20: 282/20, 277/20, 273/20, 271/20, 249/20, 246/20, 245/20,…replaced · 2020-11-27
HYDROARC warnings in force as of 111308Z dec 20: 298/20, 297/20, 296/20, 287/20, 285/20, 284/20, 273/20,…cancelled by · 2020-12-11

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

8 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.