index

HYDROARC warnings in force as of 201501Z oct 17: 349/17, 348/17, 347/17, 346/17, 345/17, 343/17, 342/17,…

HYDROARC 350/17

issued: 2017-10-20 15:03Z
status: cancelled 2017-10-27 11:45Z (archive)
cancels: HYDROARC 336/17
authority: SFH 201503Z OCT 17.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 201501Z OCT 17:
   349/17, 348/17, 347/17, 346/17, 345/17, 343/17,
   342/17, 341/17, 338/17, 334/17, 322/17, 307/17,
   306/17, 299/17, 298/17, 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, 152/17, 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 336/17.

Timeline

HYDROARC warnings in force as of 131729Z oct 17: 334/17, 333/17, 332/17, 331/17, 330/17, 328/17, 327/17,…cancels · 2017-10-13
HYDROARC warnings in force as of 131729Z oct 17: 334/17, 333/17, 332/17, 331/17, 330/17, 328/17, 327/17,…replaced · 2017-10-13
HYDROARC warnings in force as of 271144Z oct 17: 361/17, 358/17, 357/17, 356/17, 355/17, 345/17, 343/17,…cancelled by · 2017-10-27

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.