index

HYDROARC warnings in force as of 161138Z jul 21: 138/21, 137/21, 136/21, 135/21, 75/21, 58/21, 9/21

HYDROARC 139/21

issued: 2021-07-16 11:44Z
status: cancelled 2021-07-23 11:51Z (archive)
cancels: HYDROARC 130/21
authority: SFH 161140Z JUL 21.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 161138Z JUL 21:
   138/21, 137/21, 136/21, 135/21, 75/21, 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 130/21.

Timeline

HYDROARC warnings in force as of 091156Z jul 21: 123/21, 120/21, 75/21, 58/21, 9/21cancels · 2021-07-09
HYDROARC warnings in force as of 091156Z jul 21: 123/21, 120/21, 75/21, 58/21, 9/21replaced · 2021-07-09
HYDROARC warnings in force as of 231145Z jul 21: 148/21, 147/21, 146/21, 145/21, 143/21, 141/21, 138/21,…cancelled by · 2021-07-23

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.