Navigational warnings on 2026-09-10
UTC day · today
- issued
- 25
- cancelled
- 35
- in force at end
- 401
- of these still in force
- 2
Issued · by sea
| North Pacific Ocean | 6 |
| South Atlantic Ocean | 4 |
| Arabian Sea | 3 |
| Bay of Bengal | 3 |
| Beaufort Sea | 2 |
| Southern Ocean | 1 |
| Japan Sea | 1 |
| North Atlantic Ocean | 1 |
HYDROPAC 9 · HYDROLANT 6 · HYDROARC 3 · NAVAREA XII 3 · NHC storms 2 · JTWC storms 1 · NAVAREA IV 1
Issued · 25
- Nav aids · NAVAREA XII 620/2600:40ZHigh frequency digital selective calling and transmissions are unreliable from 101400Z to 110300Z September at United States Coast Guard remote communication facilities including Pt Reyes, Honolulu and Kodiak.North Pacific
- Nav aids · HYDROPAC 2609/2600:40ZA US Coast Guard remote communication facility at Guam, 13-29.00N 144-50.00E, has unreliable HF DSC and transmissions from 10 September 1400Z to 11 September 0300Z.North Pacific · Guam
- Nav aids · NAVAREA IV 869/2600:40ZCoast Guard high frequency digital selective calling and transmissions are unreliable at Boston, Chesapeake, Charleston, Miami, New Orleans and San Juan until 11 September.North Atlantic
- Icebergs · HYDROLANT 1791/2604:22ZIcebergs A84, A85, D33A, and D33C are reported in the Scotia Sea, South Atlantic, South Pacific, and Antarctica; cancel this message 11 September 2026 at 0423.Scotia Sea · South Atlantic · South Pacific · Antarctica
- Cable ops · NAVAREA XII 621/2608:44ZCable operations by ship Ile de Sein continue off California in the North Pacific, from 33-32.87N 119-40.65W to 37-23.36N 128-15.99W, until further notice; wide berth requested; 580/26 cancelled.North Pacific · California
- Surveys · HYDROPAC 2611/2609:13ZRussia conducts survey operations in the Sea of Japan until 29 September in a defined area, requesting vessels keep clear.Sea of Japan · Russia
- Missiles · HYDROLANT 1792/2609:27ZBrazil conducts rocket launching operations in the South Atlantic from 15 to 17 September, 0800 to 2000 UTC daily, hazardous to shipping.South Atlantic · Brazil
- Surveys · HYDROLANT 1793/2609:35ZBrazil hosts underwater operations from 11:00 to 21:00 UTC daily from 11 through 25 September by vessels Comando B and Enterprise near 20-23.47S 040-09.33W; wide berth requested.South Atlantic · Brazil
- Surveys · HYDROLANT 1794/2609:39ZUnderwater operations are underway off Brazil in the South Atlantic daily from 11 to 25 September, 1100 to 2100, near 20-23.78S 040-09.43W; wide berth requested.South Atlantic · Brazil
- Cable ops · NAVAREA XII 622/2610:20ZSurvey operations 15 sep thru 01 oct by cableship cable innovator in vicinity of trackline joining 35-07.29N…North Pacific · California
- Exercises · HYDROPAC 2612/2611:00ZHazardous operations are scheduled daily from 0130 to 1130 UTC, 14 through 17 September, in the Bay of Bengal off India.Bay of Bengal · India
- Exercises · HYDROPAC 2614/2611:15ZHazardous operations are scheduled in the Andaman Sea and Bay of Bengal off India from 0130 to 0530 and 0730 to 1130 daily on 14 and 15 September.Andaman Sea · Bay of Bengal · India
- Surveys · HYDROPAC 2615/2611:24ZSurvey operations by vessel Vanessa 6 are occurring in the Arabian Sea's Gulf of Khambhat, India, from 11 September to 26 October; give wide berth.Arabian Sea · Gulf of Khambhat · India
- Nav aids · HYDROARC 226/2611:45ZA radar beacon at Relief Islet in the Beaufort Sea, Canada, at 70-08.75N 130-49.67W is not working.Beaufort Sea · Canada
- Exercises · HYDROPAC 2616/2612:03ZIndia carries out hazardous operations in the Arabian Sea from 10 to 22 September in three defined areas bounded by listed coordinates.Arabian Sea · India
- Nav aids · HYDROARC 227/2612:17ZThe radar beacon at Pelly Island, at 69-37.44 North 135-29.26 West in the Beaufort Sea, is not working.Beaufort Sea · Canada
- Piracy · HYDROPAC 2617/2612:31ZA merchant ship is hijacked near Balhaf, Yemen, in the Gulf of Aden on 10 September; vessels are advised to keep clear and exercise extreme caution.Gulf of Aden · Yemen
- Exercises · HYDROPAC 2618/2612:46ZHazardous operations take place in the Arabian Sea off India from 03:30 to 08:30 UTC daily on 14 and 15 September in a bounded area.Arabian Sea · India
- Exercises · HYDROPAC 2619/2612:55ZHazardous operations occur in the Bay of Bengal on 13 September between 0730Z and 1130Z inside a marked area, cancelled at 1230Z.Bay of Bengal
- Missiles · HYDROARC 228/2613:00ZRocket launching creates a hazardous area in the Arctic daily from 0128Z to 0244Z, 15 September through 15 October.Arctic
- Exercises · HYDROLANT 1795/2613:35ZHazardous operations are scheduled in the Black Sea off Romania from 0600 to 1300 UTC daily, 14 through 16 September, within a defined area.Black Sea · Romania
- Icebergs · HYDROLANT 1796/2613:41ZIcebergs are reported in the Scotia Sea and South Atlantic near Antarctica at nine positions, cancelled 11 September 2026 at 1400 UTC.Scotia Sea · South Atlantic · Antarctica
- Storms · NHC-EP122026in force21:00ZHurricane Lowell is near 13.5N 157.2W as of September 26, with maximum sustained winds of 120 knots, moving west at 10 knots.Eastern North Pacific
- Storms · NHC-EP14202621:00ZTropical Depression Fourteen-E sits near 16.4N 116.6W in the eastern North Pacific with 30 knot winds, moving west-northwest, per National Hurricane Center advisory.Eastern North Pacific
- Storms · JTWC-EP1226in force22:00ZHurricane Lowell is in the Eastern North Pacific, forecast at 19.5 degrees north 161.5 degrees west on September 26, with 34-knot wind danger area.Eastern North Pacific
Cancelled · 35
- Quakes · USGS-US7000TEU105:50ZAn earthquake of magnitude 5.5 occurs southeast of the Loyalty Islands at depth 10 kilometers on September 26.Southeast of the Loyalty Islands
- Cable ops · NAVAREA XII 580/2608:44ZCable operations are underway by cable ship Ile de Sein along a trackline off California in the North Pacific until further notice; wide berth requested.North Pacific · California
- Storms · NHC-EP14202609:24ZTropical Depression Fourteen-E sits near 16.4N 116.6W in the eastern North Pacific with 30 knot winds, moving west-northwest, per National Hurricane Center advisory.Eastern North Pacific
- Icebergs · HYDROLANT 1796/2613:50ZIcebergs are reported in the Scotia Sea and South Atlantic near Antarctica at nine positions, cancelled 11 September 2026 at 1400 UTC.Scotia Sea · South Atlantic · Antarctica
- Missiles · NAVAREA IV 870/2613:50ZHazardous operations involving space debris occur daily from 0111 to 0151 UTC September 15 through October 15 off French Guiana in the North Atlantic.North Atlantic · French Guiana
- Icebergs · HYDROARC 224/2613:50ZAn iceberg is reported in the Laptev Sea off Russia at 78-15.50N 104-58.90E on 9 September, with the message cancelled 12 September.Laptev Sea · Russia
- Icebergs · HYDROLANT 1790/2613:50ZIcebergs are reported in the Scotia Sea, South Atlantic, and Antarctica at listed positions, and this warning cancels on 10 September 2026 at 1400.Scotia Sea · South Atlantic · Antarctica
- Nav aids · HYDROPAC 2605/2613:50ZThe Navtex station Porto Novo in India is off air at 11-30.25N 079-46.20E until 10 September 2026.India
- Exercises · HYDROPAC 2606/2613:50ZPeru conducts gunnery exercises in the South Pacific from 2 September 0200Z to 8 September 0800Z 2026 in a defined area.South Pacific · Peru
- Exercises · HYDROARC 225/2613:50ZRussia conducts hazardous operations in the Barents Sea from 0600Z to 1700Z daily on 14 through 18 September, cancelling the warning at 181800Z September 26.Barents Sea · Russia
- Icebergs · NAVAREA IV 867/2613:50ZAn iceberg bulletin lists iceberg limits along tracklines near Newfoundland, Labrador and Greenland, based on satellite reconnaissance on 9 September 2026, and asks mariners to report sightings.
- Other · NAVAREA IV 868/2613:50ZNaval operations are scheduled daily 0600Z to 1700Z from 14 to 16 September in a defined area of the Caribbean Sea off Colombia.Caribbean Sea · Colombia
- Nav aids · NAVAREA XII 620/2613:50ZHigh frequency digital selective calling and transmissions are unreliable from 101400Z to 110300Z September at United States Coast Guard remote communication facilities including Pt Reyes, Honolulu and Kodiak.North Pacific
- Nav aids · HYDROPAC 2609/2613:50ZA US Coast Guard remote communication facility at Guam, 13-29.00N 144-50.00E, has unreliable HF DSC and transmissions from 10 September 1400Z to 11 September 0300Z.North Pacific · Guam
- Nav aids · NAVAREA IV 869/2613:50ZCoast Guard high frequency digital selective calling and transmissions are unreliable at Boston, Chesapeake, Charleston, Miami, New Orleans and San Juan until 11 September.North Atlantic
- Icebergs · HYDROLANT 1791/2613:50ZIcebergs A84, A85, D33A, and D33C are reported in the Scotia Sea, South Atlantic, South Pacific, and Antarctica; cancel this message 11 September 2026 at 0423.Scotia Sea · South Atlantic · South Pacific · Antarctica
- Cable ops · NAVAREA XII 621/2613:50ZCable operations by ship Ile de Sein continue off California in the North Pacific, from 33-32.87N 119-40.65W to 37-23.36N 128-15.99W, until further notice; wide berth requested; 580/26 cancelled.North Pacific · California
- Surveys · HYDROPAC 2611/2613:50ZRussia conducts survey operations in the Sea of Japan until 29 September in a defined area, requesting vessels keep clear.Sea of Japan · Russia
- Missiles · HYDROLANT 1792/2613:50ZBrazil conducts rocket launching operations in the South Atlantic from 15 to 17 September, 0800 to 2000 UTC daily, hazardous to shipping.South Atlantic · Brazil
- Surveys · HYDROLANT 1793/2613:50ZBrazil hosts underwater operations from 11:00 to 21:00 UTC daily from 11 through 25 September by vessels Comando B and Enterprise near 20-23.47S 040-09.33W; wide berth requested.South Atlantic · Brazil
- Surveys · HYDROLANT 1794/2613:50ZUnderwater operations are underway off Brazil in the South Atlantic daily from 11 to 25 September, 1100 to 2100, near 20-23.78S 040-09.43W; wide berth requested.South Atlantic · Brazil
- Cable ops · NAVAREA XII 622/2613:50ZSurvey operations 15 sep thru 01 oct by cableship cable innovator in vicinity of trackline joining 35-07.29N…North Pacific · California
- Exercises · HYDROPAC 2612/2613:50ZHazardous operations are scheduled daily from 0130 to 1130 UTC, 14 through 17 September, in the Bay of Bengal off India.Bay of Bengal · India
- Exercises · HYDROPAC 2614/2613:50ZHazardous operations are scheduled in the Andaman Sea and Bay of Bengal off India from 0130 to 0530 and 0730 to 1130 daily on 14 and 15 September.Andaman Sea · Bay of Bengal · India
- Surveys · HYDROPAC 2615/2613:50ZSurvey operations by vessel Vanessa 6 are occurring in the Arabian Sea's Gulf of Khambhat, India, from 11 September to 26 October; give wide berth.Arabian Sea · Gulf of Khambhat · India
- Nav aids · HYDROARC 226/2613:50ZA radar beacon at Relief Islet in the Beaufort Sea, Canada, at 70-08.75N 130-49.67W is not working.Beaufort Sea · Canada
- Exercises · HYDROPAC 2616/2613:50ZIndia carries out hazardous operations in the Arabian Sea from 10 to 22 September in three defined areas bounded by listed coordinates.Arabian Sea · India
- Nav aids · HYDROARC 227/2613:50ZThe radar beacon at Pelly Island, at 69-37.44 North 135-29.26 West in the Beaufort Sea, is not working.Beaufort Sea · Canada
- Piracy · HYDROPAC 2617/2613:50ZA merchant ship is hijacked near Balhaf, Yemen, in the Gulf of Aden on 10 September; vessels are advised to keep clear and exercise extreme caution.Gulf of Aden · Yemen
- Exercises · HYDROPAC 2618/2613:50ZHazardous operations take place in the Arabian Sea off India from 03:30 to 08:30 UTC daily on 14 and 15 September in a bounded area.Arabian Sea · India
- Exercises · HYDROPAC 2619/2613:50ZHazardous operations occur in the Bay of Bengal on 13 September between 0730Z and 1130Z inside a marked area, cancelled at 1230Z.Bay of Bengal
- Missiles · HYDROARC 228/2613:50ZRocket launching creates a hazardous area in the Arctic daily from 0128Z to 0244Z, 15 September through 15 October.Arctic
- Exercises · HYDROLANT 1795/2613:50ZHazardous operations are scheduled in the Black Sea off Romania from 0600 to 1300 UTC daily, 14 through 16 September, within a defined area.Black Sea · Romania
- Missiles · NAVAREA XI 391/2616:21ZRocket firing occurs daily from 30 August to 2, 5, and 6 September and alternate 7-9 September within 25 miles of 31-14-14N 144-26-48E.North Pacific, Nanpo Shoto
- Exercises · NAVAREA XI 394/2616:21ZHazardous operations are underway in the North Pacific Marianas area from 08 to 10 September, within a defined boundary, until 100900Z September.North Pacific, Marianas
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.