index

HYDROARC warnings in force as of 211137Z aug 20: 152/20, 151/20, 143/20, 141/20, 140/20, 132/20, 125/20,…

HYDROARC 153/20

issued: 2020-08-21 12:30Z
status: cancelled 2020-08-28 13:40Z (archive)
cancels: HYDROARC 148/20
authority: SFH 211230Z AUG 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 211137Z AUG 20:
   152/20, 151/20, 143/20, 141/20, 140/20, 132/20,
   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 148/20.

Timeline

HYDROARC warnings in force as of 141306Z aug 20: 143/20, 141/20, 140/20, 139/20, 132/20, 125/20, 119/20,…cancels · 2020-08-14
HYDROARC warnings in force as of 141306Z aug 20: 143/20, 141/20, 140/20, 139/20, 132/20, 125/20, 119/20,…replaced · 2020-08-14
HYDROARC warnings in force as of 281338Z aug 20: 162/20, 161/20, 159/20, 158/20, 154/20, 152/20, 143/20,…cancelled by · 2020-08-28

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.