Navigational warnings on 2026-08-24
UTC day · today
- issued
- 30
- cancelled
- 40
- in force at end
- 459
- of these still in force
- 10
Issued · by type
| Exercises | 8 |
| Surveys | 4 |
| Nav aids | 3 |
| Missiles | 3 |
| Wrecks | 2 |
| Quakes | 2 |
| Icebergs | 2 |
| Spills | 2 |
| Cable ops | 2 |
| Other | 1 |
| Restricted | 1 |
Issued · by sea
| North Atlantic Ocean | 4 |
| South Atlantic Ocean | 4 |
| Arabian Sea | 4 |
| Banda Sea | 2 |
| North Pacific Ocean | 2 |
| Philippine Sea | 2 |
| South China Sea | 2 |
| Java Sea | 2 |
HYDROPAC 9 · HYDROLANT 5 · NAVAREA XI 4 · NAVAREA IV 3 · USGS earthquakes 2 · NAVAREA XII 2 · NOAA IncidentNews 2 · NAVAREA VII 1 · NAVAREA XIX 1 · NAVAREA II 1
Issued · 30
- Spills · NOAAORR-11208in force00:00ZOn August 24, 2026, a mystery oil sheen is observed in Trading Bay, Western Cook Inlet, Alaska, near Platform Spark, with unknown source.Trading Bay Mystery Sheen; Western Cook Inlet, Alaska
- Cable ops · NAVAREA 7 246/26in force00:00ZOn 24 Aug 2026, seismic survey vessel Ramform Victory is towing 12 cables in the South Atlantic near Orange River mouth; wide berth requested.
- Missiles · NAVAREA XI 385/2600:00ZCancellation of hazardous operations and space debris information in the South China Sea and western North Pacific; cancels message 0384/26.South China Sea, Northern Part and North Pacific, Western Part
- Spills · NOAAORR-11207in force00:00ZA gas release on August 24, 2026, near Dauphin Island, Alabama, causes bubbling in Mobile Bay and a sulfur-like odor near a natural gas pipeline.Mysterious Gas Release; Dauphin Island, Alabama
- Wrecks · NAVAREA XI 386/26in force03:00ZA sunken wreck exists in the Java Sea at 04-14-42S 113-44-18E.Java Sea
- Wrecks · HYDROPAC 2417/2604:09ZA dangerous wreck is located in the Java Sea, Indonesia at 04-14.70S 113-44.30E.Java Sea · Indonesia
- Icebergs · HYDROLANT 1657/2605:15ZIcebergs reported in Scotia Sea, South Atlantic, South Pacific, Antarctica at several positions; message cancels at 250518Z August 26.Scotia Sea · South Atlantic · South Pacific · Antarctica
- Exercises · HYDROPAC 2419/2606:21ZHazardous operations in the Arabian Sea and Eastern Indian Ocean off India from 24 August 0600 UTC to 30 August 0800 UTC in two areas.Arabian Sea · Eastern Indian Ocean · India
- Exercises · HYDROPAC 2420/2606:27ZHazardous operations in the Arabian Sea off India occur from August 24 0600Z to August 30 0800Z in a bounded area.Arabian Sea · India
- Surveys · NAVAREA 19 103/2606:30ZDrilling rigs listed in Norwegian Sea north of 65N east of 5W as of August 26, with safety zones; previous warning cancelled.Riglist
- Exercises · HYDROPAC 2421/2606:32ZHazardous operations are taking place in the Arabian Sea from August 24 to 30 within a defined area.Arabian Sea
- Exercises · HYDROPAC 2422/2606:38ZHazardous operations continue in Arabian Sea off India until August 30, 0800Z in two areas near 21N 67E and 22N 67E.Arabian Sea · India
- Missiles · HYDROPAC 2451/26in force08:25ZSpace debris hazardous operations in South Pacific from Sep 1 to Sep 7, with multiple time windows, canceled at 071359Z Sep.South Pacific
- Restricted · HYDROLANT 1658/2608:48ZNavigation prohibited on August 25 from 11:00 to 19:00 UTC within two miles of 26-53S 048-35W in Brazil, South Atlantic. Cancel at 20:00.South Atlantic · Brazil
- Nav aids · NAVAREA XI 387/26in force10:00ZIn the Philippines, Apo Island Light at 09-04.98N 123-16.22E is extinguished.Philippines
- Quakes · USGS-US6000TN3310:02Z207 km sse of amahai, indonesia
- Nav aids · HYDROLANT 1659/2611:13ZIn the North Sea, England, medium frequency digital selective calling and radio telephony services are off air at Cullercouts 55-04.40N 001-27.80W and Gregness 57-07.70N 002-03.20W.North Sea · England
- Exercises · NAVAREA XI 388/26in force12:00ZGunnery exercise in northern South China Sea from 290000Z to 291300Z August, alternate 050000Z to 051300Z September.South China Sea, Northern Part · Gunnery
- Exercises · HYDROPAC 2424/2612:02ZHazardous operations in Bay of Bengal, India, Aug 25 0830Z to 0930Z in a bounded area.Bay of Bengal · India
- Exercises · HYDROPAC 2425/2612:23ZGunnery exercises occur in the South China Sea from 29 August 0000 UTC to 29 August 1300 UTC, with alternate period 5 September 0500 UTC to 5 September 1300 UTC.South China Sea
- Nav aids · HYDROPAC 2426/2612:49ZApo Island light in Bohol Sea, Philippines, at 09-04.98N 123-16.22E is unlit.Bohol Sea · Philippines
- Icebergs · HYDROLANT 1661/2613:11ZIcebergs reported in the Scotia Sea, South Atlantic, near the South Shetland Islands; cancellation on 25 August 13:11 UTC.Scotia Sea · South Atlantic · South Shetland Islands
- Quakes · USGS-US6000TN4114:10Z211 km nne of lospalos, timor leste
- Surveys · NAVAREA IV 821/2614:56ZSurvey operations continue until 27 August near Trinidad and Tobago, with a vessel towing a 1200-meter cable and requesting a 500-meter wide berth.North Atlantic
- Surveys · NAVAREA IV 822/2616:03ZSurvey operations by vessel Genesis are ongoing until December 1 off Suriname, with a one mile berth requested.North Atlantic · Suriname
- Missiles · NAVAREA IV 825/26in force19:21ZHazardous rocket launching operations are scheduled in the North Atlantic near Florida from August 30 to September 5, with alternate windows.North Atlantic · Florida
- Surveys · HYDROLANT 1663/2620:04ZSurvey operations are underway in the South Atlantic off Angola by vessel Ramform Victory towing twelve three-mile-long cables; a four-mile berth is requested.South Atlantic · Angola
- Exercises · NAVAREA XII 578/26in force20:43ZHazardous operations take place in three North Pacific areas from 0600 to 1515 UTC on 28 August, with alternate times on 29 August.North Pacific
- Other · NAVAREA II 307/2623:07ZDrifting vessel Horizon Jade adrift near Cap Blanc at 23-07N 017-12W as of 242230 UTC August 26, navigate with caution.Cap Blanc · Drifting Hazards
- Cable ops · NAVAREA XII 580/26in force23:59ZCable 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
Cancelled · 40
- Missiles · NAVAREA XI 384/2600:06ZHazardous operations with space debris are conducted in the South China Sea and western North Pacific on 25 August from 0000Z to 0600Z.South China Sea, Northern Part and North Pacific, Western Part
- Surveys · NAVAREA 19 100/2606:30ZRig list for Norwegian Sea north of 65N, east of 5W lists four rigs with 500 metre safety zones at 091830 UTC August 26.Riglist
- Quakes · USGS-US6000TMLU17:41Z194 km sw of labuan, indonesia
- Exercises · HYDROPAC 2410/2618:45ZHazardous operations are underway in the North Pacific near the Northern Mariana Islands from 270200Z to 270600Z August, cancelled at 270700Z.North Pacific · Northern Mariana Islands
- Exercises · HYDROLANT 1643/2618:45ZIn Baltic Sea, Lithuania: hazardous operations daily 0900-1500 UTC August 27 and 28 near 55-29.60N 020-51.00E; wide berth requested. Message cancels August 26 at 1600 UTC.Baltic Sea · Lithuania
- Nav aids · NAVAREA IV 813/2618:45ZIn Gulf of America, Louisiana, U.S. Coast Guard New Orleans remote communication facility at 29-53N 089-57W has unreliable high-frequency digital selective calling services as of August 21, 2026.Gulf of America · Louisiana
- Other · NAVAREA IV 814/2618:45ZNaval operations occur in the Caribbean Sea off Colombia from 261200Z to 262100Z August within a defined area.Caribbean Sea · Colombia
- Missiles · HYDROLANT 1644/2618:45ZRocket launching operations are in effect daily from 27 August to 6 September in areas of the North Atlantic.North Atlantic
- Surveys · HYDROLANT 1645/2618:45ZDaily underwater operations from 0800 to 1800 UTC, August 23 through September 29, by vessels Comando B and BH Shijiazhuang near 20-23.47S 040-09.88W, wide berth requested.South Atlantic · Brazil
- Surveys · HYDROLANT 1646/2618:45ZUnderwater operations are being conducted daily from 0800Z to 1800Z by vessels Comando B and Marsanne near 20-24.25S 040-10.65W, Brazil, until 06 Sep; wide berth requested.South Atlantic · Brazil
- Surveys · HYDROLANT 1647/2618:45ZUnderwater operations daily 0800 to 1800 UTC from 23 Aug to 6 Sep by vessels Comando B and BH Shijiazhuang off Brazil at 20-23.80S 040-09.73W; wide berth requested.South Atlantic · Brazil
- Debris · HYDROLANT 1650/2618:45ZA dangerous object is adrift in the Black Sea near Romania at 44-31.68N 029-33.28E, reported August 22.Black Sea · Romania
- Nav aids · HYDROARC 184/2618:45ZAt Inuvik, Canada (60-25.45N 064-50.50W), the Marine Communications and Traffic Services remote station has MF and HF radio services off air.Canada
- Derelicts · NAVAREA IV 816/2618:45ZA 26-foot derelict vessel is partially submerged and adrift at 32-51.60N 056-35.20W, at 222025Z Aug 22.North Atlantic
- Surveys · NAVAREA IV 817/2618:45ZSurvey operations continue in the Gulf of America off Louisiana until 31 Dec, with three vessels towing 400-meter cables; wide berth requested.Gulf of America · Louisiana
- Cable ops · NAVAREA XII 573/2618:45ZCable operations are underway by the vessel IT Integrity in the Chukchi Sea, Alaska, along a trackline, with a one-mile berth requested.Chukchi Sea · Alaska
- Surveys · HYDROLANT 1652/2618:45ZUnderwater operations are underway by vessels Spar Aries and Comando B in South Atlantic off Brazil at 20-23.87S 040-11.03W, daily 24 August to 7 September, wide berth requested.South Atlantic · Brazil
- Derelicts · NAVAREA IV 818/2618:45ZDerelict vessel Vagabond is submerged and adrift at 13-34.78N 081-22.67W in the Caribbean Sea off Colombia; warning cancels at 1101 UTC on August 26.Caribbean Sea · Colombia
- Derelicts · HYDROPAC 2413/2618:45ZA derelict vessel is adrift between Djamandjary and Mayotte via Mozambique Channel; reports to JRCC Madagascar or MRCC Cape Town; this warning cancels at 261338Z Aug 26.Mozambique Channel · Madagascar · Mayotte
- Cable ops · NAVAREA IV 819/2618:45ZCable operations by the ship Pierre de Fermat are in progress in the Caribbean Sea from Aruba to Florida until 29 August, with a wide berth requested.North Atlantic · Caribbean Sea
- Icebergs · NAVAREA IV 820/2618:45ZIceberg limits are established along tracklines in the North Atlantic, with reconnaissance from satellite August 26, report icebergs to Coast Guard.
- Cable ops · NAVAREA XII 575/2618:45ZCable operations by M/V Grace occur in the North Pacific from August 27 to September 11, with a two-mile berth requested.North Pacific
- Surveys · NAVAREA IV 822/2618:45ZSurvey operations by vessel Genesis are ongoing until December 1 off Suriname, with a one mile berth requested.North Atlantic · Suriname
- Exercises · HYDROPAC 2415/2618:45ZGunnery exercises take place in the Coral Sea near New Caledonia from August 24 to 28 within areas around specified coordinates.Coral Sea · New Caledonia
- Exercises · NAVAREA XII 572/2618:45ZHazardous operations will take place near Hawaii from 27 to 31 August in a defined area; the message cancels on September 1.North Pacific · Hawaii
- Icebergs · HYDROLANT 1661/2618:45ZIcebergs reported in the Scotia Sea, South Atlantic, near the South Shetland Islands; cancellation on 25 August 13:11 UTC.Scotia Sea · South Atlantic · South Shetland Islands
- Surveys · NAVAREA IV 821/2618:45ZSurvey operations continue until 27 August near Trinidad and Tobago, with a vessel towing a 1200-meter cable and requesting a 500-meter wide berth.North Atlantic
- Wrecks · HYDROPAC 2417/2618:45ZA dangerous wreck is located in the Java Sea, Indonesia at 04-14.70S 113-44.30E.Java Sea · Indonesia
- Icebergs · HYDROLANT 1657/2618:45ZIcebergs reported in Scotia Sea, South Atlantic, South Pacific, Antarctica at several positions; message cancels at 250518Z August 26.Scotia Sea · South Atlantic · South Pacific · Antarctica
- Exercises · HYDROPAC 2419/2618:45ZHazardous operations in the Arabian Sea and Eastern Indian Ocean off India from 24 August 0600 UTC to 30 August 0800 UTC in two areas.Arabian Sea · Eastern Indian Ocean · India
- Exercises · HYDROPAC 2420/2618:45ZHazardous operations in the Arabian Sea off India occur from August 24 0600Z to August 30 0800Z in a bounded area.Arabian Sea · India
- Exercises · HYDROPAC 2421/2618:45ZHazardous operations are taking place in the Arabian Sea from August 24 to 30 within a defined area.Arabian Sea
- Exercises · HYDROPAC 2422/2618:45ZHazardous operations continue in Arabian Sea off India until August 30, 0800Z in two areas near 21N 67E and 22N 67E.Arabian Sea · India
- Restricted · HYDROLANT 1658/2618:45ZNavigation prohibited on August 25 from 11:00 to 19:00 UTC within two miles of 26-53S 048-35W in Brazil, South Atlantic. Cancel at 20:00.South Atlantic · Brazil
- Nav aids · HYDROLANT 1659/2618:45ZIn the North Sea, England, medium frequency digital selective calling and radio telephony services are off air at Cullercouts 55-04.40N 001-27.80W and Gregness 57-07.70N 002-03.20W.North Sea · England
- Exercises · HYDROPAC 2424/2618:45ZHazardous operations in Bay of Bengal, India, Aug 25 0830Z to 0930Z in a bounded area.Bay of Bengal · India
- Exercises · HYDROPAC 2425/2618:45ZGunnery exercises occur in the South China Sea from 29 August 0000 UTC to 29 August 1300 UTC, with alternate period 5 September 0500 UTC to 5 September 1300 UTC.South China Sea
- Nav aids · HYDROPAC 2426/2618:45ZApo Island light in Bohol Sea, Philippines, at 09-04.98N 123-16.22E is unlit.Bohol Sea · Philippines
- Surveys · HYDROLANT 1294/2620:04ZSurvey operations are underway by vessel Ramform Victory towing 12 cables three miles long in the South Atlantic off Angola; a five-mile berth is requested.South Atlantic · Angola
- Missiles · NAVAREA XI 385/2623:21ZCancellation of hazardous operations and space debris information in the South China Sea and western North Pacific; cancels message 0384/26.South China Sea, Northern Part and North Pacific, Western Part
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.