Navigational warnings on 2026-09-01
UTC day · today
- issued
- 26
- cancelled
- 22
- in force at end
- 463
- of these still in force
- 1
Issued · by sea
| North Atlantic Ocean | 3 |
| Bay of Bengal | 3 |
| Greenland Sea | 2 |
| South Pacific Ocean | 2 |
| North Pacific Ocean | 2 |
| Persian Gulf | 2 |
| South Atlantic Ocean | 1 |
| Southern Ocean | 1 |
HYDROPAC 12 · HYDROLANT 4 · NAVAREA IV 3 · HYDROARC 3 · NAVAREA XII 2 · NAVAREA XIX 1 · USGS earthquakes 1
Issued · 26
- Derelicts · NAVAREA XII 597/2600:29ZA 12-meter grey-hulled derelict vessel is partially submerged and adrift at 09-44.50N 137-14.20W as of August 29, 23:20 UTC.North Pacific
- Missiles · HYDROARC 199/2603:31ZRocket launching hazardous operations daily from 04 to 10 September, 1600Z to 2135Z, in areas of Greenland Sea and Norwegian Sea near Norway.Greenland Sea · Norwegian Sea · Norway
- Icebergs · HYDROLANT 1727/2604:00ZIcebergs reported in Scotia Sea, South Atlantic, South Pacific, Antarctica at positions A84, A85, D33A, D33C.Scotia Sea · South Atlantic · South Pacific · Antarctica
- Missiles · NAVAREA 19 108/2606:30ZNorwegian sea grennland sea 1. rocket launch operation will be conducted
- Nav aids · NAVAREA XII 598/2607:57ZHF/MF unreliable and DSC inoperative at USCG remote communication facilities (Pt Reyes, Honolulu, Kodiak, and others) in North Pacific on Sep 4, 15:00-17:30 UTC; cancel 18:30 UTC.North Pacific
- Nav aids · HYDROPAC 2495/2607:57ZThe U.S. Coast Guard remote communication facility at Guam has unreliable high frequency and medium frequency and inoperative digital selective calling from 041500Z to 041730Z September.North Pacific · Guam
- Nav aids · NAVAREA IV 844/2607:57ZHF/MF radio unreliable and DSC inoperative from 041500Z to 041730Z September at USCG remote facilities: Boston, Chesapeake, Charleston, Miami, New Orleans, San Juan; cancel 041830Z.North Atlantic
- Quakes · USGS-US7000TDAVin force08:22Z82 km se of maba, indonesia
- Exercises · HYDROPAC 2496/2611:30ZHazardous operations in Bay of Bengal, India, from 020630Z to 021030Z Sep in an area bounded by 17-43N 083-35E, 17-48N 084-06E, 17-07N 083-55E, 17-27N 083-31E.Bay of Bengal · India
- Exercises · HYDROPAC 2497/2611:43ZHazardous operations are underway in the Eastern Indian Ocean near Lakshadweep on September 3, 02:00-07:30 and 08:30-11:30 UTC.Eastern Indian Ocean · Lakshadweep
- Missiles · HYDROPAC 2498/2611:50ZRocket launching hazardous operations in the Andaman Sea near India, in specified areas from September 3 2100 UTC to September 4 0100 UTC.Andaman Sea · India
- Exercises · HYDROPAC 2500/2612:09ZHazardous operations in Bay of Bengal near India between 02:30 and 11:30 UTC on September 2.Bay of Bengal · India
- Icebergs · HYDROARC 200/2613:10ZIcebergs reported in Kara Sea, Russia, on 1 September at 1145Z at 77-44.40N 097-30.50E, 77-46.30N 097-56.00E, and 77-50.30N 098-22.30E; message cancels on 2 September 2026 at 1311Z.Kara Sea · Russia
- Other · HYDROLANT 1731/2613:22ZMaritime exercises will occur in the Black Sea off Romania on September 7, 8, and 9; a wide berth is requested.Black Sea · Romania
- Exercises · HYDROPAC 2501/2613:50ZHazardous operations daily 0230Z to 0700Z from 14 to 16 Sep within two miles of 21-17.00S 055-20.81E near Reunion. Cancel 160800Z Sep.Eastern Indian Ocean · Reunion
- Exercises · HYDROPAC 2502/2613:57ZHazardous operations in the Red Sea off Saudi Arabia from 0300Z to 1500Z daily 06 to 10 September in a defined area.Red Sea · Saudi Arabia
- Other · HYDROPAC 2503/2614:08ZA vessel named Sidar suffered a security incident and anchored in the Strait of Hormuz at 26-26.10N 056-30.00E; ships advised to keep clear.Strait of Hormuz · Iran
- Other · HYDROPAC 2504/2614:16ZVessel Senegal Prosperity suffered a security incident and anchored at 26-18.80N 056-33.60E in Strait of Hormuz; vessels should keep clear.Strait of Hormuz · Iran
- Missiles · HYDROPAC 2505/2614:25ZSpace debris hazardous operations occur daily from 1134Z to 1738Z, 5 through 11 September, in the South Pacific.South Pacific
- Icebergs · HYDROLANT 1732/2614:30ZIcebergs reported in the South Atlantic near Antarctica at multiple coordinates, including A76C, A81, D33B and D33C; message canceled September 2, 2026.South Atlantic · Antarctica
- Exercises · HYDROLANT 1733/2616:30ZHazardous operations occur daily 0800Z-1800Z on September 4-5 and 7-12 off Scotland, within 27 miles of 57-27.40N 008-20.50W and 20 miles of 57-43.40N 008-58.80W.North Atlantic · Scotland
- Missiles · HYDROARC 201/2616:52ZSpace debris hazard operations daily 01:28 to 02:44 UTC from September 15 to October 15 in Arctic area bounded by 81-42N 134-18W and 77-06N 161-35W.Arctic
- Missiles · NAVAREA IV 845/2616:52ZSpace debris hazardous operations occur daily from 0021Z to 0151Z, 15 Sep to 15 Oct, in two North Atlantic areas.North Atlantic
- Missiles · HYDROPAC 2506/2616:52ZHazardous space debris operations are active daily in the South Pacific from September 15 to October 15.South Pacific
- Icebergs · NAVAREA IV 846/2619:15ZNorth American Ice Service bulletin for September 2, 2026 reports iceberg and sea ice limits along tracklines, with reporting instructions.
- Exercises · HYDROPAC 2507/2621:27ZHazardous operations occur daily from September 6 to 11, 2000 to 0400 UTC, within three miles of 36-28.65S 174-09.63E in the Tasman Sea, New Zealand.Tasman Sea · New Zealand
Cancelled · 22
- Other · NAVAREA III 34/2600:00ZResourseful platform is in the Adriatic Sea at 44-31.60N 012-30.60E, height 112 meters, until Aug 26 23:59 UTC.Adriatic Sea
- Missiles · HYDROARC 197/2614:40ZMissile operations are scheduled in Barents and White Seas near Russia on 04 and 05 September, 0100Z to 1400Z daily.Barents Sea · White Sea · Russia
- Icebergs · NAVAREA IV 843/2614:40ZIceberg and sea ice limits are in effect along tracklines in the North Atlantic as of September 1, with reports requested to authorities.
- Derelicts · NAVAREA XII 597/2614:40ZA 12-meter grey-hulled derelict vessel is partially submerged and adrift at 09-44.50N 137-14.20W as of August 29, 23:20 UTC.North Pacific
- Missiles · HYDROARC 199/2614:40ZRocket launching hazardous operations daily from 04 to 10 September, 1600Z to 2135Z, in areas of Greenland Sea and Norwegian Sea near Norway.Greenland Sea · Norwegian Sea · Norway
- Icebergs · HYDROLANT 1727/2614:40ZIcebergs reported in Scotia Sea, South Atlantic, South Pacific, Antarctica at positions A84, A85, D33A, D33C.Scotia Sea · South Atlantic · South Pacific · Antarctica
- Nav aids · NAVAREA XII 598/2614:40ZHF/MF unreliable and DSC inoperative at USCG remote communication facilities (Pt Reyes, Honolulu, Kodiak, and others) in North Pacific on Sep 4, 15:00-17:30 UTC; cancel 18:30 UTC.North Pacific
- Nav aids · HYDROPAC 2495/2614:40ZThe U.S. Coast Guard remote communication facility at Guam has unreliable high frequency and medium frequency and inoperative digital selective calling from 041500Z to 041730Z September.North Pacific · Guam
- Nav aids · NAVAREA IV 844/2614:40ZHF/MF radio unreliable and DSC inoperative from 041500Z to 041730Z September at USCG remote facilities: Boston, Chesapeake, Charleston, Miami, New Orleans, San Juan; cancel 041830Z.North Atlantic
- Exercises · HYDROPAC 2496/2614:40ZHazardous operations in Bay of Bengal, India, from 020630Z to 021030Z Sep in an area bounded by 17-43N 083-35E, 17-48N 084-06E, 17-07N 083-55E, 17-27N 083-31E.Bay of Bengal · India
- Exercises · HYDROPAC 2497/2614:40ZHazardous operations are underway in the Eastern Indian Ocean near Lakshadweep on September 3, 02:00-07:30 and 08:30-11:30 UTC.Eastern Indian Ocean · Lakshadweep
- Missiles · HYDROPAC 2498/2614:40ZRocket launching hazardous operations in the Andaman Sea near India, in specified areas from September 3 2100 UTC to September 4 0100 UTC.Andaman Sea · India
- Exercises · HYDROPAC 2500/2614:40ZHazardous operations in Bay of Bengal near India between 02:30 and 11:30 UTC on September 2.Bay of Bengal · India
- Icebergs · HYDROARC 200/2614:40ZIcebergs reported in Kara Sea, Russia, on 1 September at 1145Z at 77-44.40N 097-30.50E, 77-46.30N 097-56.00E, and 77-50.30N 098-22.30E; message cancels on 2 September 2026 at 1311Z.Kara Sea · Russia
- Other · HYDROLANT 1731/2614:40ZMaritime exercises will occur in the Black Sea off Romania on September 7, 8, and 9; a wide berth is requested.Black Sea · Romania
- Exercises · HYDROPAC 2501/2614:40ZHazardous operations daily 0230Z to 0700Z from 14 to 16 Sep within two miles of 21-17.00S 055-20.81E near Reunion. Cancel 160800Z Sep.Eastern Indian Ocean · Reunion
- Exercises · HYDROPAC 2502/2614:40ZHazardous operations in the Red Sea off Saudi Arabia from 0300Z to 1500Z daily 06 to 10 September in a defined area.Red Sea · Saudi Arabia
- Other · HYDROPAC 2503/2614:40ZA vessel named Sidar suffered a security incident and anchored in the Strait of Hormuz at 26-26.10N 056-30.00E; ships advised to keep clear.Strait of Hormuz · Iran
- Other · HYDROPAC 2504/2614:40ZVessel Senegal Prosperity suffered a security incident and anchored at 26-18.80N 056-33.60E in Strait of Hormuz; vessels should keep clear.Strait of Hormuz · Iran
- Missiles · HYDROPAC 2505/2614:40ZSpace debris hazardous operations occur daily from 1134Z to 1738Z, 5 through 11 September, in the South Pacific.South Pacific
- Icebergs · HYDROLANT 1732/2614:40ZIcebergs reported in the South Atlantic near Antarctica at multiple coordinates, including A76C, A81, D33B and D33C; message canceled September 2, 2026.South Atlantic · Antarctica
- Other · AUSCOAST 286/2620:53ZA current meter at position 10 degrees 30.29 minutes south, 142 degrees 14.63 minutes east is inoperative.
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.