index

HYDROARC warnings in force as of 301159Z apr 21: 66/21, 65/21, 62/21, 58/21, 9/21

HYDROARC 69/21

issued: 2021-04-30 12:10Z
status: cancelled 2021-05-07 11:32Z (archive)
cancels: HYDROARC 64/21
authority: SFH 301209Z APR 21.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 301159Z APR 21:
   66/21, 65/21, 62/21, 58/21, 9/21.
   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 64/21.

Timeline

HYDROARC warnings in force as of 231103Z apr 21: 63/21, 62/21, 59/21, 58/21, 54/21, 53/21, 9/21cancels · 2021-04-23
HYDROARC warnings in force as of 231103Z apr 21: 63/21, 62/21, 59/21, 58/21, 54/21, 53/21, 9/21replaced · 2021-04-23
HYDROARC warnings in force as of 071130Z may 21: 72/21, 71/21, 70/21, 65/21, 58/21, 9/21cancelled by · 2021-05-07

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

11 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.