index

HYDROARC warnings in force as of 131348Z nov 20: 273/20, 271/20, 270/20, 268/20, 266/20, 265/20, 264/20,…

HYDROARC 274/20

issued: 2020-11-13 13:54Z
status: cancelled 2020-11-20 14:13Z (archive)
cancels: HYDROARC 267/20
authority: SFH 131354Z NOV 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 131348Z NOV 20:
   273/20, 271/20, 270/20, 268/20, 266/20, 265/20,
   264/20, 249/20, 246/20, 245/20, 218/20, 93/20,
   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 267/20.

Timeline

HYDROARC warnings in force as of 061159Z nov 20: 266/20, 265/20, 264/20, 263/20, 260/20, 259/20, 249/20,…cancels · 2020-11-06
HYDROARC warnings in force as of 061159Z nov 20: 266/20, 265/20, 264/20, 263/20, 260/20, 259/20, 249/20,…replaced · 2020-11-06
HYDROARC warnings in force as of 201411Z nov 20: 279/20, 278/20, 277/20, 276/20, 273/20, 271/20, 249/20,…cancelled by · 2020-11-20

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.