Navigational warnings on 2026-09-24
UTC day · today
- issued
- 20
- cancelled
- 19
- in force at end
- 343
- of these still in force
- 6
What this reporting period contains
20 messages have issue dates in this period, and 19 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.
Storms accounts for 7 of 20 recorded messages (35%), the largest category group in this selection.
HYDROLANT accounts for 5 of 20 recorded messages (25%), the largest source series group in this selection.
Separate updates to the same activity count as separate messages. The original records below show what was reported and when.
Issued · by sea
| North Pacific Ocean | 4 |
| South Atlantic Ocean | 3 |
| South China Sea | 3 |
| The Northwestern Passages | 2 |
| Philippine Sea | 1 |
| Bristol Channel | 1 |
| North Atlantic Ocean | 1 |
| Southern Ocean | 1 |
HYDROLANT 5 · NHC storms 4 · JTWC storms 3 · HYDROPAC 3 · NAVAREA XI 2 · HYDROARC 2 · NAVAREA XIX 1
Issued · 20
- Cable ops · NAVAREA XI 426/26in force00:00ZSubmarine pipeline works by the vessel Fortitude continue in the northern South China Sea until 08 Oct 2026 near 11-38.23N 118-56.36E and 11-34.10N 118-53.54E.South China Sea · Northern Part
- Cable ops · HYDROPAC 2764/2600:00ZPipeline operations are underway in the South China Sea near the Philippines until 8 October by the vessel FORTITUDE, which requests a wide berth.South China Sea · Philippines
- Exercises · HYDROLANT 1884/2600:20ZBrazil warns of hazardous operations within ten miles of 23-12.26S 043-40.85W from 28 September 1600Z to 2100Z.South Atlantic · Brazil
- Derelicts · HYDROPAC 2765/2601:13ZDerelict M/V msc hermes III on fire and adrift in vicinity 11-58.00N 113-39.00E at 232340Z sepSouth China Sea
- Storms · JTWC-IO012603:00ZTropical Cyclone 01B in North Indian Ocean is near 18.100N 083.700E with 34-knot winds; final warning is issued 24 September.North Indian Ocean
- Nav aids · HYDROLANT 1885/2604:11ZBull Point Light in the Bristol Channel, England, at 51-12.00N 004-12.10W is unreliable.Bristol Channel · England
- Icebergs · HYDROLANT 1886/2604:20ZIcebergs reported in: a. A84, 70-49.20S 099-05.40WScotia Sea · South Atlantic · South Pacific · Antarctica
- Other · HYDROPAC 2767/2607:23ZStrait of Hormuz, Oman: motor vessel Cape Dao is on fire and anchored at 26-24.80N 056-27.60E after a security incident; keep clear and use caution; cancel 2766/26.Strait of Hormuz · Oman
- Exercises · HYDROLANT 1888/2609:18ZHazardous operations 0800Z to 2100Z daily 29 sep thru 01 oct in area within ten miles of 25-06.00S 041-13.00WSouth Atlantic
- Surveys · HYDROARC 252/2609:29ZA scientific mooring is established in Queen Maud Gulf, Canada, at 68-53.41N 101-31.15W, with a top float at 49 meters.Queen Maud Gulf · Canada
- Surveys · HYDROARC 253/2609:36ZA scientific mooring is established in Queen Maud Gulf, Canada, at 68-39.93N 103-00.86W with a top float at 126 meters.Queen Maud Gulf · Canada
- Derelicts · NAVAREA XI 427/26in force12:00ZThe abandoned drifting vessel MSC Hermes 3 is removed in the northern South China Sea, cancelling warning 0424/26 and this notice.South China Sea, Northern Part
- Icebergs · HYDROLANT 1890/2614:21ZIcebergs are reported in the Scotia Sea off Antarctica at multiple positions, including A81, D33B and A76C; the warning cancels at 251421Z September 26.Scotia Sea · South Atlantic · Antarctica
- Other · NAVAREA 19 119/2618:30ZNavarea Nineteen warning 118/26 is cancelled, and this warning is cancelled as well.
- Storms · JTWC-WP2526in force21:00ZTropical storm 25W (surigae)Western North Pacific
- Storms · NHC-EP15202621:00ZTropical storm nolo (EP152026)Eastern North Pacific
- Storms · NHC-AL06202621:00ZTropical storm fay (AL062026)Atlantic
- Storms · NHC-EP162026in force21:00ZHurricane odalys (EP162026)Eastern North Pacific
- Storms · NHC-EP172026in force21:00ZHurricane polo (EP172026)Eastern North Pacific
- Storms · JTWC-EP1726in force22:00ZHurricane 17E (polo)Eastern North Pacific
Cancelled · 19
- Missiles · NAVAREA XI 422/2600:36ZSpace debris hazard areas exist in the northern South China Sea and Sulu Sea from 1100 to 1700 UTC on 23 September, canceled at 1800 UTC.South China Sea, Northern Part and Sulu Sea
- Quakes · USGS-US7000TIUR01:41ZAn earthquake of magnitude 5.5 strikes 35 kilometres north-northeast of Ruteng, Indonesia, at a depth of 10 kilometres on 26 September at 0141 UTC.
- Storms · JTWC-IO012602:26ZTropical Cyclone 01B in North Indian Ocean is near 18.100N 083.700E with 34-knot winds; final warning is issued 24 September.North Indian Ocean
- Derelicts · NAVAREA XI 424/2612:21ZThe abandoned vessel MSC Hermes 3, 213 metres long, is adrift in northern South China Sea near 11-45N 112-15E on 22 September 0820Z; notice cancels 25 September 0820Z.South China Sea, Northern Part
- Cable ops · HYDROPAC 2764/2615:00ZPipeline operations are underway in the South China Sea near the Philippines until 8 October by the vessel FORTITUDE, which requests a wide berth.South China Sea · Philippines
- Exercises · HYDROLANT 1884/2615:00ZBrazil warns of hazardous operations within ten miles of 23-12.26S 043-40.85W from 28 September 1600Z to 2100Z.South Atlantic · Brazil
- Derelicts · HYDROPAC 2765/2615:00ZDerelict M/V msc hermes III on fire and adrift in vicinity 11-58.00N 113-39.00E at 232340Z sepSouth China Sea
- Icebergs · HYDROLANT 1890/2615:00ZIcebergs are reported in the Scotia Sea off Antarctica at multiple positions, including A81, D33B and A76C; the warning cancels at 251421Z September 26.Scotia Sea · South Atlantic · Antarctica
- Exercises · NAVAREA XII 658/2615:00ZHazardous operations on September 29 from 1300 to 2300 UTC within one mile of 32-52.80N 118-17.70W off California.North Pacific · California
- Exercises · HYDROPAC 2762/2615:00ZIndia warns of hazardous operations in the Andaman Sea on 25 September from 1000 to 1230 UTC within a defined area.Andaman Sea · India
- Icebergs · NAVAREA IV 923/2615:00ZNorth American Ice Service iceberg bulletin of 24 September lists North Atlantic iceberg limits and cancels 25 September.
- Surveys · HYDROARC 252/2615:00ZA scientific mooring is established in Queen Maud Gulf, Canada, at 68-53.41N 101-31.15W, with a top float at 49 meters.Queen Maud Gulf · Canada
- Surveys · HYDROARC 253/2615:00ZA scientific mooring is established in Queen Maud Gulf, Canada, at 68-39.93N 103-00.86W with a top float at 126 meters.Queen Maud Gulf · Canada
- Nav aids · HYDROLANT 1885/2615:00ZBull Point Light in the Bristol Channel, England, at 51-12.00N 004-12.10W is unreliable.Bristol Channel · England
- Icebergs · HYDROLANT 1886/2615:00ZIcebergs reported in: a. A84, 70-49.20S 099-05.40WScotia Sea · South Atlantic · South Pacific · Antarctica
- Other · HYDROPAC 2767/2615:00ZStrait of Hormuz, Oman: motor vessel Cape Dao is on fire and anchored at 26-24.80N 056-27.60E after a security incident; keep clear and use caution; cancel 2766/26.Strait of Hormuz · Oman
- Exercises · HYDROLANT 1888/2615:00ZHazardous operations 0800Z to 2100Z daily 29 sep thru 01 oct in area within ten miles of 25-06.00S 041-13.00WSouth Atlantic
- Piracy · NAVAREA XI 414/2616:51ZArmed robbers board a bulk carrier unnoticed in the Singapore Strait at 01-07.09N 103-31.06E; vessels are advised to be cautious until 24 September at 1300 UTC.Singapore Strait
- Nav aids · AUSCOAST 283/2623:08ZRadar beacon K3014 at North Reef, position 23-11.10S 151-54.18E, is unreliable.
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.