index
HYDROARC warnings in force as of 181231Z mar 22: 47/22, 46/22, 43/22, 42/22, 9/22, 8/22, 329/21, 270/21,…
HYDROARC 48/22
- issued
- 2022-03-18 12:36Z
- status
- cancelled 2022-03-25 11:51Z (archive)
- cancels
- HYDROARC 41/20HYDROARC 245/20HYDROARC 166/21HYDROARC 176/21HYDROARC 190/21HYDROARC 203/21HYDROARC 205/21HYDROARC 232/21HYDROARC 281/21
- authority
- SFH 181236Z MAR 22.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HYDROARC WARNINGS IN FORCE AS OF 181231Z MAR 22: 47/22, 46/22, 43/22, 42/22, 9/22, 8/22, 329/21, 270/21, 257/21, 208/21, 207/21. 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 41/20, 245/20, 166/21, 176/21, 190/21, 203/21, 205/21, 232/21, 281/21.
Timeline
- COVID-19 updatecancels · 2020-03-20
- Scientific moorings established: a. 75-10.91N 157-07.14Wcancels · 2020-10-19
- Scientific mooring, top float 221 meters below surface, established in 69-54.66N 066-48.42Wcancels · 2021-08-04
- Scientific mooring, top float 149 meters below surface, established in 71-08.13N 070-48.11Wcancels · 2021-08-10
- Scientific moorings established in: a. 72-14.35N 073-17.39Ecancels · 2021-08-18
- Shoals reported in: a. ten meters, 68-36.948N 095-25.038Wcancels · 2021-08-31
- 15.8 meter shoal in 69-01.49N 100-58.38Wcancels · 2021-08-31
- Scientific mooring, top float 630 meters below surface, established 72-44.46N 076-19.73Wcancels · 2021-09-15
- Automatic bottom stations established in: a. 71-29.2N 072-12.0Ecancels · 2021-10-13
- COVID-19 updatereplaced · 2020-03-20
- Scientific moorings established: a. 75-10.91N 157-07.14Wreplaced · 2020-10-19
- Scientific mooring, top float 221 meters below surface, established in 69-54.66N 066-48.42Wreplaced · 2021-08-04
- Scientific mooring, top float 149 meters below surface, established in 71-08.13N 070-48.11Wreplaced · 2021-08-10
- Scientific moorings established in: a. 72-14.35N 073-17.39Ereplaced · 2021-08-18
- Shoals reported in: a. ten meters, 68-36.948N 095-25.038Wreplaced · 2021-08-31
- 15.8 meter shoal in 69-01.49N 100-58.38Wreplaced · 2021-08-31
- Scientific mooring, top float 630 meters below surface, established 72-44.46N 076-19.73Wreplaced · 2021-09-15
- Automatic bottom stations established in: a. 71-29.2N 072-12.0Ereplaced · 2021-10-13
- HYDROARC warnings in force as of 251148Z mar 22: 52/22, 51/22, 50/22, 42/22cancelled by · 2022-03-25
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.