index

HYDROARC warnings in force as of 271144Z oct 17: 361/17, 358/17, 357/17, 356/17, 355/17, 345/17, 343/17,…

HYDROARC 362/17

issued: 2017-10-27 11:45Z
status: cancelled 2017-11-03 14:50Z (archive)
cancels: HYDROARC 350/17
authority: SFH 362/17 271144Z OCT 17.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 271144Z OCT 17:
   361/17, 358/17, 357/17, 356/17, 355/17, 345/17,
   343/17, 342/17, 338/17, 334/17, 322/17, 307/17,
   306/17, 297/17, 293/17, 288/17, 287/17, 276/17,
   274/17, 268/17, 267/17, 251/17, 250/17, 235/17,
   228/17, 225/17, 224/17, 197/17, 189/17, 188/17,
   151/17, 148/17, 139/17, 123/17, 104/17, 97/17,
   72/17.
   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 350/17.

Timeline

HYDROARC warnings in force as of 201501Z oct 17: 349/17, 348/17, 347/17, 346/17, 345/17, 343/17, 342/17,…cancels · 2017-10-20
HYDROARC warnings in force as of 201501Z oct 17: 349/17, 348/17, 347/17, 346/17, 345/17, 343/17, 342/17,…replaced · 2017-10-20
HYDROARC warnings in force as of 031443Z nov 17: 371/17, 370/17, 369/17, 368/17, 367/17, 364/17, 358/17,…cancelled by · 2017-11-03

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.