index

HYDROARC warnings in force as of 071010Z sep 18: 225/18, 223/18, 222/18, 221/18, 220/18, 212/18, 177/18,…

HYDROARC 226/18

issued
2018-09-07 10:50Z
status
cancelled 2018-09-14 13:48Z (archive)
cancels
HYDROARC 114/18HYDROARC 181/18HYDROARC 186/18HYDROARC 194/18HYDROARC 216/18
authority
SFH 071010Z SEP 18.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 071010Z SEP 18:
   225/18, 223/18, 222/18, 221/18, 220/18, 212/18,
   177/18, 176/18, 175/18, 174/18, 170/18, 167/18,
   163/18, 161/18, 160/18, 150/18, 147/18, 146/18,
   145/18, 142/18.
   322/17, 307/17, 306/17, 293/17, 288/17, 274/17,
   267/17, 228/17, 189/17, 188/17, 139/17.
   205/16, 155/16.
   345/15, 343/15.
   269/14, 268/14, 131/14, 131/14.
   193/12, 112/12.
2. THE COMPLETE TEXT OF ALL IN-FORCE HYDROARC
   BROADCAST WARNINGS ARE AVAILABLE ON THE NGA
   MARITIME SAFETY INFORMATION WEBSITE AT:
   msi.nga.mil/NGAPortal/MSI.portal.
   ALTERNATIVELY, THESE MAY BE REQUESTED BY E-MAIL
   FROM NGA AT [email protected].
3. CANCEL HYDROARC 114/18, 181/18, 186/18, 194/18,
   216/18.

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

10 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.