index

HYDROARC warnings in force as of 151145Z sep 17: 276/17, 275/17, 274/17, 273/17, 272/17, 271/17, 270/17,…

HYDROARC 277/17

issued: 2017-09-15 11:45Z
status: cancelled 2017-09-22 15:09Z (archive)
cancels: HYDROARC 257/17
authority: SFHGA 151145Z SEP 17.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 151145Z SEP 17:
   276/17, 275/17, 274/17, 273/17, 272/17,
   271/17, 270/17, 269/17, 268/17, 267/17,
   266/17, 263/17, 260/17, 259/17, 257/17,
   253/17, 251/17, 250/17, 235/17, 230/17,
   229/17, 228/17, 225/17, 224/17, 217/17,
   204/17, 197/17, 189/17, 188/17, 180/17,
   179/17, 163/17, 156/17, 152/17, 151/17,
   148/17, 139/17, 138/17, 132/17, 124/17,
   123/17, 121/17, 119/17, 104/17, 97/17,
   72/17, 59/17, 57/17, 44/17.
   222/16, 221/16, 220/16, 205/16, 155/16.
   345/15, 343/15, 320/15, 248/15.
   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 257/17.

Timeline

HYDROARC warnings in force as of 081104Z sep 17: 256/17, 255/17, 254/17, 253/17, 252/17, 251/17, 250/17,…cancels · 2017-09-08
HYDROARC warnings in force as of 081104Z sep 17: 256/17, 255/17, 254/17, 253/17, 252/17, 251/17, 250/17,…replaced · 2017-09-08
HYDROARC warnings in force as of 221032Z sep 17: 288/17, 287/17, 286/17, 284/17, 282/17, 278/17, 276/17,…cancelled by · 2017-09-22

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Worldwide now

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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.