index

HYDROARC warnings in force as of 291547Z jun 18: 137/18, 136/18, 135/18, 134/18, 132/18, 130/18, 127/18,…

HYDROARC 138/18

issued: 2018-06-29 15:49Z
status: cancelled 2018-07-06 10:52Z (archive)
cancels: HYDROARC 133/18
authority: SFH 291547Z JUN 18.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROARC WARNINGS IN FORCE AS OF 291547Z JUN 18:
   137/18, 136/18, 135/18, 134/18, 132/18, 130/18,
   127/18, 114/18, 75/18, 72/18, 38/18.
   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 133/18.

Timeline

HYDROARC warnings in force as of 221319Z jun 18: 132/18, 130/18, 128/18, 127/18, 122/18, 114/18, 75/18,…cancels · 2018-06-22
HYDROARC warnings in force as of 221319Z jun 18: 132/18, 130/18, 128/18, 127/18, 122/18, 114/18, 75/18,…replaced · 2018-06-22
HYDROARC warnings in force as of 061051Z jul 18: 147/18, 146/18, 145/18, 144/18, 143/18, 142/18, 139/18,…cancelled by · 2018-07-06

Nearby now · within 120 nm

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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.