index
HYDROARC warnings in force 181000Z nov 12
HYDROARC 237/12
- issued
- 2012-11-18 09:55Z
- status
- cancelled 2012-12-16 09:52Z (archive)
- cancels
- HYDROARC 4/10HYDROARC 6/10HYDROARC 45/10HYDROARC 145/12HYDROARC 233/12
- authority
- SHGA 18 NOV 12.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HYDROARC WARNINGS IN FORCE 181000Z NOV 12. ONLY THOSE WARNINGS ISSUED DURING THE LAST SIX WEEKS ARE LISTED HEREIN. 2012 SERIES: 206(16), 208(42), 211(15), 212(16), 220(GEN), 221(15), 227(16,41,96), 232(15), 236(GEN). 2. CANCEL HYDROARC 4/10, 6/10, 45/10, 145/12, 233/12.
Timeline
- Nga chart 38300 (3RD ed)cancels · 2010-07-02
- Nga chart 38280 (3RD ed)cancels · 2010-07-02
- Nga chart 15863 (0 ed)cancels · 2010-07-31
- 0.2 mile berth requestedcancels · 2012-08-27
- HYDROARC warnings in force 040900Z nov 12cancels · 2012-11-04
- Nga chart 38300 (3RD ed)replaced · 2010-07-02
- Nga chart 38280 (3RD ed)replaced · 2010-07-02
- Nga chart 15863 (0 ed)replaced · 2010-07-31
- 0.2 mile berth requestedreplaced · 2012-08-27
- HYDROARC warnings in force 040900Z nov 12replaced · 2012-11-04
- HYDROARC warnings in force 161000Z dec 12cancelled by · 2012-12-16
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.