Navigational warnings on 2026-08-21
UTC day · today
- issued
- 22
- cancelled
- 72
- in force at end
- 457
- of these still in force
- 5
Issued · by sea
| North Pacific Ocean | 7 |
| South Atlantic Ocean | 5 |
| Arafura Sea | 2 |
| Kara Sea | 2 |
| Arabian Sea | 2 |
| Indian Ocean | 1 |
| Laccadive Sea | 1 |
| Southern Ocean | 1 |
HYDROLANT 6 · HYDROPAC 5 · NAVAREA XII 4 · AUSCOAST 2 · HYDROARC 2 · USGS earthquakes 1 · NAVAREA XI 1 · NOAA IncidentNews 1
Issued · 22
- Spills · NOAAORR-11206in force00:00ZIn August 2026, the fishing vessel Resolution beached off Point Reyes, California, with 1,000 gallons of diesel fuel aboard, posing an oil threat.F/V Resolution; Inverness, California
- Missiles · NAVAREA XI 379/2600:00ZSpace debris operations are hazardous in the South China Sea and western North Pacific from 23 Aug 23:00 to 24 Aug 05:00 UTC, then cancelled at 06:00 UTC.South China Sea, Northern Part and North Pacific, Western Part
- Missiles · HYDROPAC 2402/2600:22ZHazardous operations with space debris in the North Pacific, Philippine Sea, and South China Sea near the Philippines from Aug 23 2300Z to Aug 24 0500Z.North Pacific · Philippine Sea · South China Sea · Philippines
- Nav aids · HYDROLANT 1634/2600:39ZA data buoy is temporarily established in the South Atlantic off Brazil at 21-34.20S 040-43.62W until 21 August 2027.South Atlantic · Brazil
- Exercises · HYDROLANT 1635/2601:08ZHazardous operations are conducted within two miles of 21-52.50S 040-50.30W from 222300Z to 230800Z August.South Atlantic · Brazil
- Other · AUSCOAST 281/2601:20ZBooby Island tide gauge at position 10-36.15S 141-54.61E is inoperative.
- Other · AUSCOAST 282/2601:30ZBooby Island weather station at position 10-36.15S 141-54.61E is inoperative.
- Surveys · HYDROLANT 1636/2601:39ZSurvey operations are in progress in the South Atlantic by the vessel Sea 1 Dorado until 24 August in an area bounded by coordinates; wide berth requested.South Atlantic
- Icebergs · HYDROLANT 1637/2604:18ZIcebergs reported in Scotia Sea, South Atlantic, South Pacific, and Antarctica at four positions; this message cancels August 26.Scotia Sea · South Atlantic · South Pacific · Antarctica
- Wrecks · HYDROARC 180/2609:34ZDepths of 5.5 meters at 73-02.72N 080-34.31E and 5.7 meters at 73-02.48N 080-33.76E are reported in the Kara Sea, Russia.Kara Sea · Russia
- Surveys · HYDROLANT 1639/2610:42ZUnderwater operations daily from 22 August to 5 September by vessels Comando B and True Chariot at 20-18.87S 040-08.17W in South Atlantic. Wide berth requested.South Atlantic · Brazil
- Exercises · HYDROPAC 2404/2610:48ZHazardous operations in Arabian Sea off India from 250030Z to 261630Z August in area bounded by coordinates, warning cancels at 261730Z August.Arabian Sea · India
- Exercises · HYDROPAC 2405/2610:59ZHazardous operations are conducted daily 0230Z-0800Z from 25 to 27 August in eastern Indian Ocean off India, bounded by 10-20N 075-00E to 10-50N 075-35E.Eastern Indian Ocean · India
- Exercises · HYDROPAC 2406/2611:16ZHazardous operations are scheduled in the Bay of Bengal, India, from 22 August 06:00 to 12:30 UTC.Bay of Bengal · India
- Other · HYDROPAC 2407/2612:20ZNaval operations in the Arabian Sea off Pakistan on August 23 from 02:00 to 13:00 UTC.Arabian Sea · Pakistan
- Icebergs · HYDROARC 181/2612:33ZAn iceberg is reported in the Laptev Sea, Russia, at 78-00.90N 105-01.70E on August 21 at 1108.Laptev Sea · Russia
- Icebergs · HYDROLANT 1640/2612:50ZIcebergs reported at multiple positions in Scotia Sea, South Atlantic, Antarctica; warning cancels 241125Z AUG 26.Scotia Sea · South Atlantic · Antarctica
- Quakes · USGS-US6000TMLU17:41Z194 km sw of labuan, indonesia
- Exercises · NAVAREA XII 585/26in force18:06ZHazardous operations are occurring off California in the North Pacific from September 1 to October 1 within a specified area.North Pacific · California
- Exercises · NAVAREA XII 584/26in force18:31ZHazardous operations off California in an area bounded by 32-40N to 32-55N and 118-15W to 118-35W from September 1 to October 1.North Pacific · California
- Exercises · NAVAREA XII 586/26in force19:37ZHazardous operations are underway off California from September 1 0800 UTC to October 1 0800 UTC in a defined area.North Pacific · California
- Missiles · NAVAREA XII 587/26in force23:38ZRocket launching hazardous operations are underway off California in the North Pacific from September 1-7, with alternate times, cancelling at 1217Z September 7.North Pacific · California
Cancelled · 72
- Spills · NOAAORR-1119700:00Z1809 sunset dr, pacific grove, ca 93950, USATar Balls At Monterey Bay; Pacific Grove, California
- Spills · NOAAORR-1119600:00ZR685+56 moss landing, ca, USADisabled Vessel Near Elk Horn Slough; Moss Landing, California
- Other · AUSCOAST 227/2600:08Z12 six-meter yellow buoys with white flashing lights every 3 seconds are deployed within 1.5 nautical miles of 38-46.00S 142-48.80E; 2.5 nautical miles clearance requested.
- Other · AUSCOAST 282/2604:53ZBooby Island weather station at position 10-36.15S 141-54.61E is inoperative.
- Other · AUSCOAST 281/2604:53ZBooby Island tide gauge at position 10-36.15S 141-54.61E is inoperative.
- Quakes · USGS-US6000TLKL05:02Z95 km sw of puerto madero, mexico
- Quakes · USGS-US6000TLKT06:02Z154 km sse of teluk dalam, indonesia
- Other · HYDROPAC 2089/2615:40ZA fish aggregating device is temporarily anchored at 26-36.55S 153-30.16E in the Coral Sea, Australia, as of 21 July 05:06 UTC.Coral Sea · Australia
- Cable ops · HYDROPAC 2100/2615:40ZCable operations are underway until further notice by cableship Subaru near a trackline joining 36-44.60N 140-45.20E to 35-04.90N 156-51.80E off Japan; wide berth requested.North Pacific · Japan
- Nav aids · HYDROLANT 1421/2615:40ZSidi Ifini lighthouse in Morocco, at 29-22.50N 010-10.70W, is unlit.Morocco
- Surveys · HYDROPAC 2124/2615:40ZSubmersible survey operations are in areas near 22-40N 154-30E and 22-30N 153-45E in the North Pacific from July 25 to August 15; wide berth requested.North Pacific
- Surveys · HYDROLANT 1445/2615:40ZUnderwater operations by vessel UMI Polaris in the South Atlantic off Brazil from 28 July to 19 August, wide berth requested.South Atlantic · Brazil
- Surveys · HYDROPAC 2171/2615:40ZSurvey operations are underway by vessel Investigator in the Coral Sea near Australia until further notice, with a one-mile berth requested.Coral Sea · Australia
- Nav aids · NAVAREA IV 737/2615:40ZU.S. Coast Guard remote communication facility at New Orleans, Louisiana is off air for high-frequency digital selective calling.Gulf of Mexico · Louisiana
- Surveys · NAVAREA IV 743/2615:40ZUnderwater operations by vessels Atlantis and Alvin near Cayman Islands from August 2 to August 18, within 100 miles of 18°23'N 081°47'W, wide berth requested.Caribbean Sea · Cayman Islands
- Surveys · HYDROLANT 1484/2615:40ZUnderwater operations by M/V Comando B and M/V Royal Topaz at 20-21.62S 040-08.00W off Brazil, August 2-16, wide berth requested.South Atlantic · Brazil
- Derelicts · HYDROPAC 2202/2615:40ZThe ship Gazlog Shanghai is disabled and adrift in the Strait of Hormuz near Oman at position 26-05.11N 056-35.40E as of 312330Z July.Strait of Hormuz · Oman
- Missiles · HYDROPAC 2235/2615:40ZSpace debris hazard operations are scheduled in the Eastern Indian Ocean and South Pacific on August 10-16, 2026, during specific time windows.Eastern Indian Ocean · South Pacific
- Nav aids · NAVAREA IV 750/2615:40ZNAVTEX station Miami at 25-30N 080-23W is inoperative; NAVAREA IV 748/26 is cancelled.Western North Atlantic · Florida
- Surveys · HYDROLANT 1493/2615:40ZSurvey operations are in progress in the Black Sea off Romania by motor vessel Ocean Aero until August 16; a wide berth is requested in the survey area.Black Sea · Romania
- Other · HYDROLANT 1530/2615:40ZNaval operations occur daily from 0500Z to 1200Z on August 13-15 in an area near 44-12N 028-40E, Black Sea, Romania.Black Sea · Romania
- Other · HYDROPAC 2231/2615:40ZThe vessel Minoan Pioneer is on fire and anchored in the Strait of Hormuz, Oman, at 26-27.60N 056-32.50E; mariners should navigate with caution.Strait of Hormuz · Oman
- Missiles · NAVAREA XII 539/2615:40ZHazardous rocket launching operations take place off California in multiple areas from August 15 to 22, with alternate dates.North Pacific · California
- Nav aids · HYDROLANT 1505/2615:40ZAraripe Light at 16-08.09S 038-57.86W is unlit until 31 Jan 2027.South Atlantic · Brazil
- Missiles · NAVAREA IV 755/2615:40ZRocket launching hazardous operations are scheduled near Florida in the North Atlantic from August 10 to 16, with alternate dates.North Atlantic · Florida
- Cable ops · NAVAREA IV 756/2615:40ZCableship Intrepid is conducting underwater operations at 16-32.79N 075-39.00W near Jamaica from August 5 to 19, requesting a two-mile berth.Caribbean Sea · Jamaica
- Surveys · HYDROLANT 1512/2615:40ZUnderwater operations are underway in South Atlantic off Brazil at 22-22.48S 040-25.05W until 170259Z August, wide berth requested; message cancels 170359Z August.South Atlantic · Brazil
- Missiles · HYDROPAC 2286/2615:40ZSpace debris hazard operations occur in the South Pacific from 15 to 22 August, in an area bounded by 27-59S 122-44W and 59-58S 099-05W.South Pacific
- Missiles · NAVAREA XII 551/2615:40ZRocket launching hazardous operations in North Pacific off California from August 19 to 25, with daily alternate windows, in two areas near 34-29N 120-29W and 29-13N 121-31W.North Pacific · California
- Surveys · HYDROLANT 1540/2615:40ZThe vessel Ramform Titan is conducting survey operations towing twelve 9000-meter-long cables off Brazil from 10 to 17 August.South Atlantic · Brazil
- Nav aids · HYDROPAC 2296/2615:40ZThe US Coast Guard remote communication facility near Guam at 13-29N 144-50E has unreliable high-frequency radio capabilities.North Pacific · Guam
- Missiles · HYDROPAC 2299/2615:40ZRocket launching hazardous operations occur daily 0430-1645Z from 15 August to 4 September in the South Pacific near New Zealand.South Pacific · New Zealand
- Missiles · HYDROPAC 2300/2615:40ZSpace debris hazard operations occur daily from August 15 to September 4 in two South Pacific areas.South Pacific
- Missiles · HYDROPAC 2332/2615:40ZHazardous space debris operations occur daily 19-25 August in the South Pacific, with cancellation at 250929Z August 26.South Pacific
- Missiles · HYDROPAC 2304/2615:40ZMissile operations are active in the Sea of Okhotsk, Russia, daily from 2000Z to 1200Z from 10 to 15 August.Sea of Okhotsk · Russia
- Exercises · HYDROPAC 2305/2615:40ZGunnery exercises take place daily 09-14 August near the Kuril Islands in the Sea of Okhotsk; canceled 15 August 1300Z.North Pacific · Sea of Okhotsk · Kuril Islands
- Exercises · HYDROPAC 2306/2615:40ZGunnery exercises will take place in the Sea of Okhotsk, Russia, from August 14 20:00 UTC to August 15 12:00 UTC.Sea of Okhotsk · Russia
- Missiles · HYDROPAC 2308/2615:40ZSpace debris hazard operations are occurring in Sulu Sea, Philippines, on August 16 from 02:00 to 08:00 UTC; warning canceled August 26 at 09:00 UTC.Sulu Sea · Philippines
- Exercises · HYDROPAC 2316/2615:40ZHazardous operations are being conducted daily from 0400Z to 1600Z in multiple areas off Saudi Arabia in the Red Sea on August 17-20.Red Sea · Saudi Arabia
- Exercises · HYDROPAC 2313/2615:40ZHazardous operations take place near 36-28.65S 174-09.63E in Tasman Sea, New Zealand, from 170500Z to 171000Z August.Tasman Sea · New Zealand
- Nav aids · HYDROLANT 1552/2615:40ZMew Island Light at 54-41.90N 005-30.80W in North Channel, Ireland, is unreliable.North Channel · Ireland
- Exercises · NAVAREA XII 552/2615:40ZHazardous operations are underway August 19 to 20 within two miles of 32-35.87N 117-10.87W.North Pacific · California
- Exercises · HYDROPAC 2314/2615:40ZHazardous operations are underway in the Arabian Sea off India, August 12 to August 16, in two areas.Arabian Sea · India
- Exercises · HYDROPAC 2325/2615:40ZHazardous operations occur daily August 18-20, 0100Z to 1300Z, within three miles of two positions near Guam in the Philippine Sea.North Pacific · Philippine Sea · Guam
- Debris · HYDROLANT 1556/2615:40ZAn object is adrift in the Black Sea near Romania at 44-00.65N 030-34.50E as of 12 August 06:30 UTC.Black Sea · Romania
- Missiles · HYDROPAC 2320/2615:40ZThe warning for missile operations near Kuril Islands, North Pacific, covers 1400Z to 1000Z daily 16-22 August and is cancelled at 231100Z August.North Pacific · Kuril Islands
- Derelicts · HYDROLANT 1558/2615:40ZA vessel is adrift at 29-03.30N 011-00.68W in the North Atlantic near Morocco as of August 12.North Atlantic · Morocco
- Exercises · HYDROLANT 1564/2615:40ZHazardous operations occur daily from August 18 to 20, 0800Z to 2100Z, within ten miles of 25°06'S 041°13'W.South Atlantic
- Icebergs · HYDROARC 169/2615:40ZSix icebergs reported in Laptev Sea, Russia, at 13 Aug 09:00 UTC.Arctic · Laptev Sea · Russia
- Exercises · NAVAREA XII 548/2615:40ZHazardous operations occur off California in the North Pacific from August 18-19 and 20-21, with the notice valid until August 26.North Pacific · California
- Wrecks · HYDROLANT 289/2615:40ZA dangerous wreck is located in the North Atlantic off Brazil at 00-24.48N 047-50.68W.North Atlantic · Brazil
- Icebergs · NAVAREA IV 787/2615:40ZNorth American Ice Service bulletin reports iceberg and sea ice limits along specified tracklines, requests ice reports to Canadian Coast Guard, cancels August 15.
- Debris · NAVAREA IV 788/2615:40ZA five-meter white and grey cylindrical object is adrift at 38-11.50N 053-32.50W; warning cancels August 16, 22:43 UTC.North Atlantic
- Icebergs · HYDROLANT 1570/2615:40ZIcebergs reported in the Scotia Sea and Antarctica at several coordinates; message cancels August 15, 2026, 06:32 UTC.Scotia Sea · South Atlantic · South Pacific · Antarctica
- Nav aids · HYDROPAC 2333/2615:40ZPerpendicular Point Light in Tasman Sea, Australia at 35-05.65S 150-48.25E, temporarily changed to flashing (3) white every 20 seconds.Tasman Sea · Australia
- Exercises · HYDROPAC 2334/2615:40ZHazardous operations are scheduled in the Andaman Sea near India on August 18 from 0430 to 0630 and from 0830 to 1030 Coordinated Universal Time.Andaman Sea · India
- Exercises · HYDROPAC 2335/2615:40ZHazardous operations in Bay of Bengal, India, daily 15, 17 and 18 Aug from 0330-0630Z and 0830-1030Z in area 17-31.12N 083-45.15E to 17-51.20N 084-06.12E.Bay of Bengal · India
- Exercises · HYDROPAC 2336/2615:40ZHazardous operations daily 19 and 20 August from 0630Z to 1230Z in Indian Ocean area off India bounded by 13-56.20N 074-13.60E to 14-07.20N 074-25.70E.Indian Ocean · India
- Icebergs · HYDROLANT 1574/2615:40ZIcebergs reported in Scotia Sea and South Shetland Islands at several positions; warning cancels 151314Z August 26.Scotia Sea · South Atlantic · South Shetland Islands
- Exercises · HYDROPAC 2337/2615:40ZHazardous operations are occurring in the Gulf of Khambhat, India, from 190230Z to 191130Z in a bounded area.Gulf of Khambhat · India
- Exercises · HYDROPAC 2338/2615:40ZHazardous operations in Bay of Bengal, India, daily 0330Z to 1130Z from 19 to 21 August in a defined area.Bay of Bengal · India
- Cable ops · HYDROLANT 1568/2615:40ZCable operations by ship ILE D OUESSANT occur from 15 to 20 August in an area near Canary Islands; wide berth requested.North Atlantic · Canary Islands
- Nav aids · HYDROLANT 746/2615:40ZA data buoy is temporarily established in the South Atlantic off Brazil at 21-34.20S 040-43.62W until 13 April 2027.South Atlantic · Brazil
- Nav aids · HYDROPAC 1863/2615:40ZTwelve six-meter yellow buoys with flashing white light every 3 seconds are established in Great Australian Bight, Australia, near 38-46S 142-48.8E; three mile berth requested.Great Australian Bight · Australia
- Cable ops · NAVAREA IV 663/2615:40ZCable ship Ile de Molene is doing cable operations off Trinidad and Tobago from July 10 to August 15; one-mile berth requested.Atlantic Ocean · Caribbean Sea
- Cable ops · NAVAREA IV 677/2615:40ZCable operations by cable ship Reliance are in progress until 22 August along a trackline from 21-58.68N 044-28.46W to 30-50.64N 061-00.22W, requesting a two-mile berth.
- Surveys · HYDROPAC 2027/2615:40ZSurvey operations by the vessel Trimurti are ongoing in the Arabian Sea off India from 15 July to 14 August; wide berth requested.Arabian Sea · India
- Nav aids · HYDROPAC 2043/2615:40ZCabo Blanco Light at 04-15.10S 081-14.30W is unlit.South Pacific · Peru
- Missiles · NAVAREA XI 376/2616:21ZA missile from North Korea may have landed in Japan Sea, East China Sea, North Pacific; vessels keep clear and report to Japan Coast Guard.Japan Sea, East China Sea and North Pacific, Japan
- Missiles · NAVAREA XI 375/2616:21ZA potential ballistic missile launched from North Korea may fall in the Japan Sea, East China Sea, and North Pacific; vessels should keep clear and report to Japan Coast Guard.Japan Sea, East China Sea and North Pacific, Japan
- Surveys · NAVAREA 19 103/2618:30ZDrilling rigs listed in Norwegian Sea north of 65N east of 5W as of August 26, with safety zones; previous warning cancelled.Riglist
- Other · NAVAREA 19 104/2618:30ZNAVAREA XIX warning 99/26 is cancelled.
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.