index

HYDROARC warnings in force as of 071216Z aug 20: 136/20, 135/20, 134/20, 133/20, 132/20, 130/20, 125/20,…

HYDROARC 137/20

issued: 2020-08-07 12:20Z
status: cancelled 2020-08-14 13:08Z (archive)
cancels: HYDROARC 131/20
authority: SFH 071220Z AUG 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 071216Z AUG 20:
   136/20, 135/20, 134/20, 133/20, 132/20,
   130/20, 125/20, 119/20, 118/20, 107/20,
   93/20, 84/20, 43/20, 42/20, 41/20.
   306/19, 252/19.
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 131/20.

Timeline

HYDROARC warnings in force as of 311005Z jul 20: 130/20, 125/20, 119/20, 118/20, 107/20, 93/20, 84/20,…cancels · 2020-07-31
HYDROARC warnings in force as of 311005Z jul 20: 130/20, 125/20, 119/20, 118/20, 107/20, 93/20, 84/20,…replaced · 2020-07-31
HYDROARC warnings in force as of 141306Z aug 20: 143/20, 141/20, 140/20, 139/20, 132/20, 125/20, 119/20,…cancelled by · 2020-08-14

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.