index

HYDROARC warnings in force as of 281220Z may 21: 84/21, 83/21, 82/21, 80/21, 79/21, 77/21, 75/21, 72/21,…

HYDROARC 85/21

issued: 2021-05-28 12:22Z
status: cancelled 2021-06-04 11:13Z (archive)
cancels: HYDROARC 78/21
authority: SFH 281222Z MAY 21.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 281220Z MAY 21:
   84/21, 83/21, 82/21, 80/21, 79/21, 77/21, 75/21,
   72/21, 65/21, 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 78/21.

Timeline

HYDROARC warnings in force as of 211057Z may 21: 77/21, 75/21, 72/21, 65/21, 58/21, 9/21cancels · 2021-05-21
HYDROARC warnings in force as of 211057Z may 21: 77/21, 75/21, 72/21, 65/21, 58/21, 9/21replaced · 2021-05-21
HYDROARC warnings in force as of 041045Z jun 21: 89/21, 79/21, 75/21, 72/21, 65/21, 58/21, 9/21cancelled by · 2021-06-04

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.