HYDROARC 25/2023 (GEN)1. HYDROARC WARNINGS IN FORCE AS OF 101518Z MAR. ALL THE INFORCE WARNINGS ARE LISTED HERE. 24/2023, 23/2023, 22/2023, 20/2023, 19/2023. 359/2022, 325/2022, 293/2022, 291/2022, 283/2022, 271/2022, 262/2022, 260/2022, 251/2022, 247/2022, 235/2022, 228/2022, 224/2022, 223/2022, 209/2022, 198/2022, 181/2022, 175/2022, 152/2022, 151/2022. 208/2021, 207/2021. 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 NAVSAFETY@NGA.MIL. 3. CANCEL HYDROARC 21/23. 101524Z MAR 2023 NGA NAVSAFETY 0/23 101518Z MAR 23. HYDROARC 359/2022 (42)BARENTS SEA. DNC 22. AUTONOMOUS BUOY STATION ESTABLISHED IN 73-13.44N 042-16.80E. ONE MILE BERTH REQUESTED. 120050Z NOV 2022 NAVAREA XX 208/22 112104Z NOV 22. HYDROARC 325/2022 (15)CANADA. DNC 28. SHOALS REPORTED IN: A. 13.2 METERS, 68-25.76N 096-37.35W. B. 13.7 METERS, 68-25.52N 096-35.65W. 180408Z OCT 2022 NAVAREA XVIII 122/22 172102Z OCT 22. HYDROARC 293/2022 (15)MCCLINTOCK CHANNEL. CANADA. DNC 28. SHOALS REPORTED IN: A. 31.7 METERS, 70-03.31N 097-42.44W. B. 20.9 METERS, 70-03.00N 097-19.39W. C. 20.2 METERS, 69-57.60N 097-58.25W. D. 23.4 METERS, 69-53.97N 097-44.35W. 260815Z SEP 2022 NAVAREA XVIII 99/22 260400Z SEP 22. HYDROARC 291/2022 (15)LANCASTER SOUND. CANADA. DNC 28. SCIENTIFIC MOORINGS ESTABLISHED: A. 74-36.37N 091-15.05W, TOP FLOAT 147 METERS. B. 74-36.27N 091-15.73W, TOP FLOAT 59 METERS. C. 74-36.24N 091-15.17W, TOP FLOAT 44 METERS. D. 74-04.85N 090-01.25W, TOP FLOAT 32 METERS. E. 74-12.57N 090-49.64W, TOP FLOAT 246 METERS. F. 74-11.87N 090-49.04W, TOP FLOAT 26 METERS. G. 74-35.73N 091-08.05W, TOP FLOAT 72 METERS. H. 74-12.67N 090-46.24W, TOP FLOAT 61 METERS. I. 74-11.89N 090-46.29W, TOP FLOAT 36 METERS. 232233Z SEP 2022 NAVAREA XVIII 97/22 231734Z SEP 22. HYDROARC 283/2022 (41)EAST SIBERIAN SEA. DNC 27. 1. AUTONOMOUS BUOY STATIONS ESTABLISHED IN: A. 71-53.46N 170-56.43E. B. 72-29.45N 176-20.93E. C. 74-53.32N 175-33.09E. D. 75-00.89N 171-49.21E. E. 74-54.33N 175-32.32E. F. 75-02.01N 171-51.80E. TWO MILE BERTH REQUESTED. 2. CANCEL HYDROARC 187/22. 210529Z SEP 2022 NAVAREA XXI 50/22 202357Z SEP 22. HYDROARC 271/2022 (16)BEAUFORT SEA. ALASKA. DNC 27. 1. SCIENTIFIC MOORINGS ESTABLISHED IN: A. 71-47.78N 155-20.81W, TOP FLOAT 15 METERS. B. 71-44.07N 155-09.83W, TOP FLOAT 20 METERS. C. 71-40.38N 154-59.98W, TOP FLOAT 19 METERS. D. 72-28.37N 155-24.17W, TOP FLOAT 50 METERS. 2. CANCEL HYDROARC 258/22. 111054Z SEP 2022 NAVAREA XVII 72/22 111047Z SEP 22. HYDROARC 262/2022 (15)CANADA. DNC 28. 14 METER SHOAL IN 68-36.32N 095-21.40W. 082312Z SEP 2022 NAVAREA XVIII 90/22 082302Z SEP 22. HYDROARC 260/2022 (15)QUEEN MAUD GULF. CANADA. DNC 28. 16 METER SHOAL IN 68-19.50N 100-46.86W. 060435Z SEP 2022 NAVAREA XVIII 88/22 060421Z SEP 22. HYDROARC 251/2022 (15)AMUNDSEN GULF. CANADA. DNC 27. 22 METER DEPTH REPORTED IN 69-39.05N 120-45.29W. 301641Z AUG 2022 NAVAREA XVII 66/22 301501Z AUG 22. HYDROARC 247/2022 (42)KARA SEA. RUSSIA. DNC 22. SCIENTIFIC MOORING, FIVE METERS BELOW SURFACE, ESTABLISHED IN 71-17.69N 065-10.54E. ONE MILE BERTH REQUESTED. 290936Z AUG 2022 RUSSIA COASTAL WARNING WEST 78/22 290855Z AUG 22. HYDROARC 235/2022 (15)QUEEN MAUD GULF. CANADA. DNC 28. SUB-SURFACE SCIENTIFIC MOORINGS ESTABLISHED: A. 68-39.32N 103-00.52W, TOP FLOAT FOUR METERS. B. 68-39.93N 103-00.88W, TOP FLOAT 20 METERS. C. 68-53.41N 101-31.16W, TOP FLOAT FOUR METERS. 240925Z AUG 2022 NAVAREA XVIII 79/22 240900Z AUG 22. HYDROARC 228/2022 (15)CORONATION GULF. CANADA. DNC 28. SCIENTIFIC MOORING, TOP FLOAT 15 METERS BELOW SURFACE, ESTABLISHED IN: A. 67-40.09N 107-57.28W. B. 67-40.36N 107-57.86W. 210503Z AUG 2022 NAVAREA XVIII 71/22 210402Z AUG 22. HYDROARC 224/2022 (15)CORONATION GULF. CANADA. DNC 28. SCIENTIFIC MOORING, TOP FLOAT 15 METERS BELOW SURFACE, ESTABLISHED IN 68-20.75N 112-21.12W. 191808Z AUG 2022 NAVAREA XVIII 70/22 191742Z AUG 22. HYDROARC 223/2022 (15)CORONATION GULF. CANADA. DNC 28. SCIENTIFIC MOORING, TOP FLOAT 15 METERS BELOW SURFACE, ESTABLISHED IN 67-53.89N 111-21.21W. 191806Z AUG 2022 NAVAREA XVIII 69/22 191739Z AUG 22. HYDROARC 209/2022 (42)KARA SEA. RUSSIA. DNC 22. SCIENTIFIC MOORING, LEAST DEPTH 5 METERS, ESTABLISHED IN 72-18.54N 067-21.28E. ONE MILE BERTH REQUESTED. 161453Z AUG 2022 RUSSIA COASTAL WARNING WEST 71/22 161414Z AUG 22. HYDROARC 198/2022 (15)BEAUFORT SEA. CANADA. DNC 27. RACON AT SHINGLE POINT BEACON 69-00.00N 137-34.50W INOPERATIVE. 111644Z AUG 2022 NAVAREA XVII 58/22 111400Z AUG 22. HYDROARC 181/2022 (42)BARENTS SEA. DNC 22. SCIENTIFIC MOORING, AT DEPTH 15 METERS, ESTABLISHED UNTIL FURTHER NOTICE IN 74-45.96N 044-55.44E. ONE MILE BERTH REQUESTED. 011832Z AUG 2022 NAVAREA XX 121/22 011816Z AUG 22. HYDROARC 175/2022 (42)KARA SEA. DNC 22. SUB-SURFACE SCIENTIFIC MOORING, AT DEPTH 95 METERS, ESTABLISHED UNTIL FURTHER NOTICE IN 73-15.78N 065-32.05E. WIDE BERTH REQUESTED. 250950Z JUL 2022 RUSSIA COAST WEST 46/22 250926Z JUL 22. HYDROARC 152/2022 (42)KARA SEA. DNC 22. SUB-SURFACE SCIENTIFIC MOORING, LEAST DEPTH 15 METERS, ESTABLISHED UNTIL FURTHER NOTICE IN 73-00.82N 066-03.29E. WIDE BERTH REQUESTED. 111551Z JUL 2022 RUSSIA COASTAL WARNING WEST 35/22 111536Z JUL 22. HYDROARC 151/2022 (43)BARENTS SEA. SVALBARD. DNC 22. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V RAMFORD HYPERION TOWING 12 4050 METER LONG CABLES IN AREA BOUND BY 73-44.50N 023-04.50E, 73-41.60N 025-52.40E, 73-13.10N 025-45.00E, 73-15.80N 023-01.40E. FOUR MILE BERTH REQUESTED. 110030Z JUL 2022 NAVAREA XIX 91/22 102138Z JUL 22. HYDROARC 208/2021 (15)QUEEN MAUD GULF. CANADA. DNC 28. 13.7 METER SHOAL IN 69-01.48N 100-58.36W. 022338Z SEP 2021 NAVAREA XVIII 85/21 022337Z SEP 21. HYDROARC 207/2021 (15)QUEEN MAUD GULF. CANADA. DNC 28. 1. 23.8 METER SHOAL IN 68-58.95N 101-08.32W. 2. CANCEL HYDROARC 206/21. 022318Z SEP 2021 NAVAREA XVIII 84/21 022309Z SEP 21.