index

HYDROARC warnings in force as of 171830Z nov 17: 389/17, 388/17, 387/17, 383/17, 382/17, 322/17, 307/17,…

HYDROARC 390/17

issued
2017-11-17 18:36Z
status
cancelled 2017-11-24 13:12Z (archive)
cancels
HYDROARC 268/17HYDROARC 367/17HYDROARC 381/17
authority
SFH 171836Z NOV 17.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 171830Z NOV 17:
   389/17, 388/17, 387/17, 383/17, 382/17, 322/17,
   307/17, 306/17, 293/17, 288/17, 287/17, 276/17,
   274/17, 267/17, 235/17, 228/17, 189/17, 188/17,
   151/17, 139/17, 123/17, 104/17, 97/17.
   205/16, 155/16.
   345/15, 343/15.
   269/14, 268/14, 131/14.
   220/12, 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 268/17, 367/17, 381/17.

Timeline

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.