index
HYDROARC warnings in force as of 101451Z dec 21: 335/21, 333/21, 329/21, 321/21, 299/21, 281/21, 270/21,…
HYDROARC 336/21
- issued
- 2021-12-10 14:56Z
- status
- cancelled 2021-12-17 11:53Z (archive)
- cancels
- HYDROARC 334/21
- authority
- SFH 101455Z DEC 21.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HYDROARC WARNINGS IN FORCE AS OF 101451Z DEC 21: 335/21, 333/21, 329/21, 321/21, 299/21, 281/21, 270/21, 257/21, 232/21, 208/21, 207/21, 205/21, 203/21, 190/21, 176/21, 166/21. 249/20, 245/20, 41/20. 2. THE COMPLETE TEXT OF ALL IN-FORCE HYDROARC BROADCAST WARNINGS ARE AVAILABLE ON THE NGA MARITIME SAFETY INFORMATION WEBSITE AT: msi.nga.mil/NavWarnings. ALTERNATIVELY, THESE MAY BE REQUESTED BY E-MAIL FROM NGA AT [email protected]. 3. CANCEL HYDROARC 334/21.
Timeline
- HYDROARC warnings in force as of 031702Z dec 21: 333/21, 329/21, 321/21, 299/21, 281/21, 270/21, 257/21,…cancels · 2021-12-03
- HYDROARC warnings in force as of 031702Z dec 21: 333/21, 329/21, 321/21, 299/21, 281/21, 270/21, 257/21,…replaced · 2021-12-03
- HYDROARC warnings in force as of 171149Z dec 21: 340/21, 339/21, 338/21, 337/21, 329/21, 299/21, 281/21,…cancelled by · 2021-12-17
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
9 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.