index
HYDROARC warnings in force as of 301307Z mar 18: 41/18, 40/18, 38/18, 37/18, 33/18, 31/18, 30/18
HYDROARC 42/18
- issued
- 2018-03-30 13:10Z
- status
- cancelled 2018-04-06 11:11Z (archive)
- cancels
- HYDROARC 34/18
- authority
- SFH 301307Z MAR 18.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HYDROARC WARNINGS IN FORCE AS OF 301307Z MAR 18: 41/18, 40/18, 38/18, 37/18, 33/18, 31/18, 30/18. 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 34/18.
Timeline
- HYDROARC warnings in force as of 231413Z mar 18: 33/18, 32/18, 31/18, 30/18, 29/18cancels · 2018-03-23
- HYDROARC warnings in force as of 231413Z mar 18: 33/18, 32/18, 31/18, 30/18, 29/18replaced · 2018-03-23
- HYDROARC warnings in force as of 061111Z apr 18: 45/18, 44/18, 43/18, 38/18cancelled by · 2018-04-06
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.