Navigational warnings, week 2026-W35

2026-08-24 to 2026-08-30 UTC

08-24
30
08-25
14
08-26
21
08-27
24
08-28
20
08-29
14
08-30
12

issued: 135
cancelled: 121
in force at end: 484
of these still in force: 59

Issued · by type

Exercises	45
Surveys	18
Nav aids	16
Missiles	12
Wrecks	8
Quakes	7
Icebergs	6
Spills	6
Cable ops	5
Other	5
Derelicts	2
Debris	2
Restricted	1
Containers	1
Storms	1

Issued · by sea

North Pacific Ocean	17
North Atlantic Ocean	15
South Pacific Ocean	11
South Atlantic Ocean	11
Arabian Sea	11
Philippine Sea	8
Black Sea	6
Norwegian Sea	5

HYDROPAC 51 · HYDROLANT 29 · NAVAREA IV 9 · NAVAREA XI 8 · USGS earthquakes 7 · NOAA IncidentNews 6 · NAVAREA II 6 · HYDROARC 5 · NAVAREA XII 5 · NAVAREA XIX 4 · AUSCOAST 3 · NAVAREA VII 1 · NAVAREA III 1

Issued · 135

Cable ops · NAVAREA 7 246/26in force00:00Z
On 24 Aug 2026, seismic survey vessel Ramform Victory is towing 12 cables in the South Atlantic near Orange River mouth; wide berth requested.
Spills · NOAAORR-11208in force00:00Z
On 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
Missiles · NAVAREA XI 385/2600:00Z
Cancellation 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 force00:00Z
A 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 force03:00Z
A sunken wreck exists in the Java Sea at 04-14-42S 113-44-18E.
Java Sea
Wrecks · HYDROPAC 2417/2604:09Z
A dangerous wreck is located in the Java Sea, Indonesia at 04-14.70S 113-44.30E.
Java Sea · Indonesia
Icebergs · HYDROLANT 1657/2605:15Z
Icebergs 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 2419/2606:21Z
Hazardous 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 2420/2606:27Z
Hazardous 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 19 103/2606:30Z
Drilling rigs listed in Norwegian Sea north of 65N east of 5W as of August 26, with safety zones; previous warning cancelled.
Riglist
Exercises · HYDROPAC 2421/2606:32Z
Hazardous operations are taking place in the Arabian Sea from August 24 to 30 within a defined area.
Arabian Sea
Exercises · HYDROPAC 2422/2606:38Z
Hazardous 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 force08:25Z
Space debris hazardous operations in South Pacific from Sep 1 to Sep 7, with multiple time windows, canceled at 071359Z Sep.
South Pacific
Restricted · HYDROLANT 1658/2608:48Z
Navigation 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 force10:00Z
In the Philippines, Apo Island Light at 09-04.98N 123-16.22E is extinguished.
Philippines
Quakes · USGS-US6000TN3310:02Z
207 km sse of amahai, indonesia
Nav aids · HYDROLANT 1659/2611:13Z
In 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 force12:00Z
Gunnery exercise in northern South China Sea from 290000Z to 291300Z August, alternate 050000Z to 051300Z September.
South China Sea, Northern Part · Gunnery
Exercises · HYDROPAC 2424/2612:02Z
Hazardous operations in Bay of Bengal, India, Aug 25 0830Z to 0930Z in a bounded area.
Bay of Bengal · India
Exercises · HYDROPAC 2425/2612:23Z
Gunnery 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 2426/2612:49Z
Apo Island light in Bohol Sea, Philippines, at 09-04.98N 123-16.22E is unlit.
Bohol Sea · Philippines
Icebergs · HYDROLANT 1661/2613:11Z
Icebergs 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-US6000TN4114:10Z
211 km nne of lospalos, timor leste
Surveys · NAVAREA IV 821/2614:56Z
Survey 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 822/2616:03Z
Survey 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 force19:21Z
Hazardous 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 1663/2620:04Z
Survey 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 force20:43Z
Hazardous 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 307/2623:07Z
Drifting 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 force23:59Z
Cable 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
Spills · NOAAORR-11209in force00:00Z
As of August 26, 2026, about 50 dead cormorants are reported along Zuniga Jetty, San Diego, California. Cause unknown, no pollution observed.
Dead Cormorants; San Diego, California
Spills · NOAAORR-11210in force00:00Z
Intermittent oil sheen reported at Flower Garden Banks National Marine Sanctuary, Bright Bank on August 25, 2026, source unidentified.
Storms · NAVAREA XI 389/2600:00Z
Due to a tropical storm, a port in the Marianas is reopened, cancelling warning 0378/26 and this message.
North Pacific, Marianas
Nav aids · HYDROLANT 1666/2601:15Z
Curuca Light at 00-33.88S 047-45.98W in Brazil is unlit until 20 February 2027.
South Atlantic · Brazil
Exercises · HYDROPAC 2429/26in force05:31Z
Hazardous operations occur on 26 August and 2, 9, 16, 23, 30 September from 0300Z to 1300Z in an area of the Arabian Sea off Pakistan.
Arabian Sea · Pakistan
Quakes · USGS-US6000TNBM07:00Z
108 km ne of hengchun, taiwan
Surveys · NAVAREA II 308/26in force08:06Z
Offshore drilling rig Valaris Renaissance at 04-56.47 North 004-30.37 West in the Gulf of Guinea requests a wide berth.
Gulf of Guinea · Offshore Structures
Exercises · NAVAREA XI 390/2612:00Z
Gunnery exercise in southern South China Sea on 29 August from 0000 to 0200Z, alternate 0700 to 0900Z, within 4000 meters of listed points.
South China Sea, Southern Part · Gunnery
Quakes · USGS-US6000TNCI12:12Z
Earthquake magnitude 5.5 (mww) in 23.350S 179.821E, depth 528 km at 251212Z aug 26
South of the Fiji Islands
Exercises · HYDROPAC 2433/26in force12:52Z
Gunnery exercises are scheduled on August 29 from 0000 to 0200 UTC, with alternate times from 0700 to 0900 UTC, in the South China Sea.
South China Sea
Surveys · NAVAREA IV 827/26in force14:56Z
Survey operations are in progress near Trinidad and Tobago until September 1, 2026, by vessel Ocean Intervention II; a 500-meter berth is requested.
North Atlantic
Nav aids · HYDROARC 185/26in force15:57Z
The MCTS Iqaluit remote station at Resolute, Canada (68-19N, 133-35W) has medium and high frequency radio services off air.
Arctic Ocean · Canada
Debris · HYDROLANT 1670/2620:07Z
An object is adrift at 43-48.11N 028-38.53E in the Black Sea off Romania, as of 25 August.
Black Sea · Romania
Missiles · NAVAREA XII 593/2623:41Z
Hazardous operations, rocket launching: a. 041128Z to 041553Z sep, alternate 051113Z to 051538Z, 061059Z to…
North Pacific · California
Spills · NOAAORR-11211in force00:00Z
On August 27, 2026, a 150-barrel crude oil spill from a Texas Petroleum Investment Company flowline at South Pass 24 near Pilottown, Louisiana, is being cleaned up.
Missiles · HYDROPAC 2435/26in force00:22Z
Rocket launching hazardous operations in South Pacific near New Zealand from 31 August to 14 September daily in area bounded by 39-12S 177-48E.
South Pacific · New Zealand
Surveys · HYDROPAC 2436/26in force00:53Z
Survey operations by vessel Aleksandr Rogotskiy are in progress in the Bering Strait until 10 September, wide berth requested.
Bering Sea · Bering Strait · Russia
Missiles · HYDROPAC 2437/26in force01:05Z
Hazardous operations for space debris in the South Pacific, in two areas, daily from 31 Aug to 14 Sep, 0345Z to 1330Z.
South Pacific
Nav aids · HYDROPAC 2438/26in force01:22Z
Magallanes Radio in Chile at 53-09.92S 070-54.28W has its medium and high frequency digital selective calling services off air.
Eastern South Pacific · Chile
Exercises · HYDROPAC 2474/2607:21Z
Hazardous operations 042200Z to 051359Z and 051400Z to 061359Z sep in area bound by 13-45.00N 144-19.98E,…
North Pacific · Philippine Sea · Guam
Exercises · HYDROPAC 2452/26in force07:30Z
Hazardous operations occur daily on September 1 and 2, from 0100Z to 0800Z, in an area near Guam.
North Pacific · Guam
Exercises · HYDROPAC 2485/2607:38Z
Hazardous operations 052100Z to 060800Z sep in area bound by 13-10.00N 144-30.00E, 13-10.00N 144-41.98E,…
North Pacific · Guam
Wrecks · HYDROARC 187/26in force08:45Z
Depths are reported in Kara Sea, Russia, ranging from 6.4 to 12.3 meters at five positions, canceling previous warning.
Kara Sea · Russia
Exercises · HYDROPAC 2440/26in force09:06Z
Hazardous operations in Bay of Bengal, India, from August 26 18:31 UTC to August 28 18:29 UTC in a bounded area.
Bay of Bengal · India
Wrecks · HYDROARC 188/26in force10:35Z
Depths ranging from 7.2 to 10.5 meters reported at multiple positions in the Kara Sea, Russia.
Kara Sea · Russia
Wrecks · HYDROARC 189/26in force11:11Z
Shallow depths are reported at multiple positions in the Kara Sea, Russia, ranging from 8.0 to 10.5 meters.
Kara Sea · Russia
Missiles · NAVAREA XI 391/26in force12:00Z
Rocket 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
Missiles · HYDROPAC 2442/26in force12:01Z
Rocket launching hazardous operations daily 2100Z-1300Z 30 Aug-2 Sep, 5-6 Sep, alternate 7-9 Sep, within 25 miles of 31-14.21N 144-26.80E. Cancel message 101400Z Sep 26.
North Pacific
Exercises · HYDROLANT 1677/2613:03Z
Hazardous operations daily 0600-1100Z September 1-3 in Black Sea off Romania; message cancels September 3 at 1200Z.
Black Sea · Romania
Surveys · HYDROLANT 1672/2613:38Z
Underwater operations are ongoing daily from 0800Z to 1800Z in the South Atlantic off Brazil at 20-23.92S 040-09.47W until September 10, requesting wide berth.
South Atlantic · Brazil
Exercises · HYDROLANT 1673/2614:00Z
Hazardous operations are scheduled in Black Sea off Romania from August 31 to September 4 in specified areas.
Black Sea · Romania
Missiles · HYDROPAC 2444/2614:51Z
Space debris hazardous operations in South Pacific near New Zealand from Aug 31 12:24Z to 22:00Z in a defined area.
South Pacific · New Zealand
Other · HYDROPAC 2446/26in force15:28Z
Motor vessel ALSALAM II suffers a security incident and anchors at 26-23.40N 056-30.50E in the Strait of Hormuz, Oman; vessels keep clear.
Strait of Hormuz · Oman
Quakes · USGS-US7000TC1819:21Z
209 km ese of ōfunato, japan
Nav aids · AUSCOAST 283/26in force22:44Z
Radar beacon K3014 at North Reef, position 23-11.10S 151-54.18E, is unreliable.
Surveys · NAVAREA III 128/26in force00:00Z
Drilling operations by Yavuz rig and support vessels are underway in the Black Sea from 28 Aug 26 to 11 Nov 26, requiring 10 nm receipt.
Black Sea
Exercises · HYDROPAC 2460/26in force00:31Z
Naval hazardous operations daily 01 through 05 September, 1400 to 1359 UTC, in areas near Guam, cancelled at 061459 UTC September 26.
North Pacific · Guam
Exercises · HYDROPAC 2487/2600:37Z
Hazardous operations 052300Z to 060630Z sep in area bound by 12-50.00N 145-00.00E, 12-50.00N 145-10.00E,…
North Pacific · Guam
Exercises · HYDROPAC 2447/26in force00:44Z
Hazardous operations occur daily from 2200Z to 1000Z, 30 August through 3 September, near Guam in the Philippine Sea.
North Pacific · Philippine Sea · Guam
Exercises · HYDROPAC 2448/26in force00:59Z
Hazardous operations near Guam from 0100-0600 UTC on Aug 31 and Sep 1, and 2000-0800 UTC on Sep 2-3.
North Pacific · Guam
Exercises · HYDROPAC 2449/26in force01:14Z
Hazardous operations occur daily through September 3, from 0100 to 1300 UTC, within three miles of two positions near Guam.
North Pacific · Philippine Sea · Guam
Nav aids · HYDROPAC 2450/26in force03:53Z
Radar beacon at North Reef Light in Coral Sea, Australia, at 23-11.10S 151-54.18E is unreliable.
Coral Sea · Australia
Exercises · HYDROPAC 2453/26in force06:15Z
Hazardous operations occur daily from 0100Z to 0800Z September 1-3 in an area near the Northern Mariana Islands in the Philippine Sea.
North Pacific · Philippine Sea · Northern Mariana Islands
Surveys · HYDROLANT 1678/2608:48Z
Underwater operations daily from 28 August to 11 September by vessels Comando B and Elati at 20-23.40S 040-09.98W; wide berth requested.
South Atlantic · Brazil
Surveys · NAVAREA IV 832/26in force10:37Z
Underwater operations by vessel Seven Seas near Trinidad and Tobago until 052200 UTC December, 500 meter berth requested.
North Atlantic
Surveys · NAVAREA IV 833/26in force10:53Z
Survey operations by vessel Delta Skipper are underway near Trinidad and Tobago until September 2 at 18:00, requesting a 500 meter berth.
North Atlantic
Wrecks · HYDROPAC 2455/26in force11:21Z
In the Eastern Indian Ocean, off India, fishing vessel Shri Balajaneya is sunk at 13-36.00N 074-36.50E.
Eastern Indian Ocean · India
Missiles · HYDROPAC 2456/2611:58Z
Rocket launching hazardous operations occur from 012112Z to 012157Z September in an area of the South Pacific near New Zealand.
South Pacific · New Zealand
Exercises · NAVAREA XI 392/26in force12:00Z
Gunnery exercise daily 2300Z to 0900Z from Aug 31 to Sep 29 in North Pacific, Nanpo Shoto.
North Pacific, Nanpo Shoto · Gunnery
Exercises · HYDROPAC 2457/26in force12:10Z
Gunnery exercises occur daily from 2300Z to 0900Z, August 31 to September 29, in the North Pacific.
North Pacific
Exercises · HYDROLANT 1682/2613:37Z
Hazardous operations in North Atlantic within 41 miles of 55-05N 019-00W from September 1 1600Z to September 2 1300Z.
North Atlantic
Nav aids · HYDROLANT 1684/2617:05Z
Fog signal at Dungeness Light, England, is inoperative; warnings 1680/26 and 1681/26 are canceled.
English Channel · England
Exercises · NAVAREA XII 588/26in force17:29Z
Hazardous operations are underway off California on August 31 from 13:00 to 21:00 Coordinated Universal Time in a bounded area.
North Pacific · California
Icebergs · NAVAREA IV 834/26in force19:02Z
Iceberg bulletin for the North Atlantic on August 28 defines iceberg limits and requests reports of icebergs.
Quakes · USGS-US7000TCF321:07Z
145 km n of caluula, somalia
Nav aids · HYDROPAC 2458/26in force21:52Z
United States Coast Guard remote communication facility in Guam at 13-29N 144-50E has high-frequency NAVTEX and SITOR services off air.
North Pacific · Guam
Containers · HYDROLANT 1685/2622:41Z
Containers are adrift near 44-37.93N 029-46.92E in the Black Sea off Romania, as of 14:55 UTC on August 27.
Black Sea · Romania
Exercises · NAVAREA XII 589/26in force23:27Z
Hazardous operations are scheduled off California September 1 1800 UTC to September 2 0100 UTC, with alternate September 3 to 4, in a defined area.
North Pacific · California
Cable ops · HYDROLANT 1687/2623:49Z
Cable operations by cableship Sovereign continue near Orkney Islands at 59-49N 002-58W. One mile berth requested.
North Atlantic · Orkney Islands
Icebergs · HYDROLANT 1688/2603:51Z
Icebergs A84, A85, D33A, D33C reported in Scotia Sea, South Atlantic, South Pacific, Antarctica. This warning cancels August 29, 2026.
Scotia Sea · South Atlantic · South Pacific · Antarctica
Other · NAVAREA 19 104/2606:30Z
NAVAREA XIX warning 99/26 is cancelled.
Nav aids · HYDROLANT 1690/2609:14Z
The radar beacon at Hyskeir Light, at 56-58.20N 006-40.80W in the Sea of the Hebrides, Scotland, is inoperative.
Sea of the Hebrides · Scotland
Surveys · HYDROARC 191/26in force09:28Z
Survey operations in Norwegian Sea by Amazon Conqueror towing twelve 10,000-meter cables, seven mile berth requested.
Norwegian Sea
Surveys · HYDROLANT 1691/2609:28Z
Survey operations in Norwegian Sea by the vessel Amazon Conqueror towing 12 cables of 10000 meters, requesting a 7-mile berth, until further notice.
Norwegian Sea
Exercises · HYDROPAC 2461/26in force12:17Z
Hazardous operations are in progress in the Arabian Sea, India, in two areas until 070800Z September, canceling HYDROPAC 2422/26.
Arabian Sea · India
Exercises · HYDROPAC 2462/26in force12:33Z
Hazardous operations are in progress in the Arabian Sea until September 7, 08:00 UTC, within a defined area.
Arabian Sea
Exercises · HYDROPAC 2463/26in force12:43Z
Hazardous operations are in progress until 070800Z September in Arabian Sea near India; cancel HYDROPAC 2420/26 and this message at 070900Z September.
Arabian Sea · India
Exercises · HYDROPAC 2464/26in force13:09Z
Hazardous operations occur in the Bay of Bengal, India, from 05:00 UTC to 12:30 UTC on August 29, with cancellation at 13:30 UTC.
Bay of Bengal · India
Exercises · HYDROPAC 2465/26in force13:30Z
Hazardous operations in Bay of Bengal and eastern Indian Ocean, daily from 1230Z to 1530Z on 02 and 03 September, in a defined area.
Bay of Bengal · Eastern Indian Ocean · India
Exercises · HYDROPAC 2466/26in force13:37Z
Andaman Sea, India: hazardous operations from 020830Z to 021030 in area bounded by 12-50N 093-40E, 12-50N 094-10E, 13-00N 094-10E, 13-00N 093-40E.
Andaman Sea · India
Icebergs · HYDROLANT 1692/2614:24Z
Icebergs reported in Scotia Sea, South Atlantic, and South Shetland Islands; message cancelled at 291430Z Aug 26.
Scotia Sea · South Atlantic · South Shetland Islands
Exercises · HYDROLANT 1693/2614:33Z
Hazardous operations continue until September 5 in the Greenland Sea near Jan Mayen within a defined area.
Greenland Sea · Jan Mayen
Exercises · HYDROPAC 2467/26in force14:43Z
Hazardous operations daily 01-04 September in Eastern Indian Ocean, India, area bounded by 10-20N 075-00E, 10-20N 075-35E, 10-50N 075-35E, 10-50N 075-00E.
Eastern Indian Ocean · India
Exercises · HYDROPAC 2468/26in force14:51Z
Hazardous operations are in progress until 070800Z September in areas off India in the Arabian Sea and Eastern Indian Ocean.
Arabian Sea · Eastern Indian Ocean · India
Missiles · HYDROPAC 2488/2616:58Z
Hazardous operations, space debris 051300Z to 051738Z, 061246Z to 061724Z, 071232Z to 071710Z, 081217Z to…
South Pacific
Cable ops · NAVAREA 19 106/2618:30Z
Seismic survey in Norwegian Sea by vessel Amazon Conqueror towing 12 long cables; wide berth requested: 3 miles ahead/abeam, 7 miles astern.
Norwegian Sea
Surveys · NAVAREA IV 838/2622:14Z
Trinidad and tobago
Caribbean Sea
Nav aids · AUSCOAST 284/26in force22:35Z
Eden Reef Light K3226.6 at position 14-04.63S 143-55.01E is reported unreliable.
Nav aids · HYDROPAC 2470/2622:46Z
Eden reef light in 14-04.63S 143-55.01E unreliable
Coral Sea · Australia
Surveys · HYDROLANT 1698/2600:55Z
Survey operations 290900Z aug thru 072200Z jan 27 by M/V tupan III in area bound by 25-34.77S 048-20.62W,…
South Atlantic · Brazil
Nav aids · HYDROLANT 1699/2601:36Z
Yellow light mooring buoy established temporarily in 04-35.70S 037-02.79W
South Atlantic · Brazil
Nav aids · HYDROLANT 1700/2603:35Z
Les pierres noires lighthouse 48-18.60N 004-54.80W unlit
Bay of Biscay · France
Nav aids · NAVAREA II 309/2603:37Z
Les Pierres Noires Lighthouse light unlit at 48-18.67N 004-54.87W.
Iroise
Exercises · NAVAREA II 310/2603:51Z
A firing exercise is taking place within 20 miles of 23-35N 017-00W, between 270 and 360 degrees from Cap Blanc.
Cap Blanc
Exercises · NAVAREA II 311/26in force04:01Z
Firing exercise in restricted area within 20 miles of Bravo 29-53N 010-15W between 270 and 360 degrees near Agadir and Tarfaya. Navigate with caution.
Agadir, Tarfaya
Surveys · NAVAREA 19 107/2606:30Z
List of rigs for Norwegian Sea north of 65N east of 5W shows four rigs with 500 metre safety zones and cancels warning 103/26.
Riglist
Exercises · HYDROPAC 2471/2613:31Z
Hazardous operations 1330Z to 1900Z daily 02 and 04 sep in area bound by 32-55.00S 072-00.00W, 32-55.00S…
South Pacific · Chile
Exercises · HYDROLANT 1703/2614:01Z
Hazardous operations 020001Z to 022359Z sep in area bound by 23-35.00N 017-00.00W, 23-35.08N 017-21.75W,…
North Atlantic · Western Sahara
Exercises · HYDROLANT 1705/2614:51Z
Hazardous operations 030001Z to 032359Z sep in area bound by 29-53.00N 010-15.00W, 29-53.00N 010-38.50W,…
North Atlantic · Morocco
Debris · HYDROLANT 1707/2616:41Z
Dangerous object adrift in 44-31.00N 029-28.00E at 291450Z aug
Black Sea · Romania
Other · HYDROPAC 2472/2620:13Z
F/V sg 66014 ts sunk in 10-02.08N 106-57.98E
South China Sea · Vietnam
Exercises · HYDROLANT 1708/2620:34Z
Hazardous operations 301100Z aug thru 030001Z sep in area bound by 53-08.40N 006-03.50W, 53-08.40N…
Saint Georges Channel · Ireland
Surveys · AUSCOAST 285/2623:53Z
Special purpose vessel Lodbrog is conducting underwater operations in area bounded by 31-48.45 S to 31-49.50 S and 115-21.14 E to 115-22.43 E. One nautical mile clearance requested.
Spills · NOAAORR-11212in force00:00Z
On August 30, 2026, a sunken 25-foot vessel at Moss Landing, California is discharging diesel, creating a 50 by 100 yard sheen.
Sunken Vessel At Boat Ramp; Moss Landing, California
Cable ops · HYDROPAC 2473/2600:31Z
Underwater operations in progress until further notice by cableship lodbrog in area bound by 31-49.50S…
Eastern Indian Ocean · Australia
Wrecks · HYDROLANT 1709/2602:23Z
Dangerous wreck in 32-38.57S 051-36.80W
South Atlantic · Uruguay
Derelicts · HYDROLANT 1710/2606:12Z
Derelict vessel adrift in 15-54.09N 016-34.57W
North Atlantic · Mauritania
Derelicts · NAVAREA II 312/2606:12Z
Vessel Cap Timiris is adrift near 15-54.09N 016-34.57W as of 291700 UTC August 26; navigate with caution.
Cap Timiris · Drifting Hazards
Quakes · USGS-US7000TCXN09:02Z
A magnitude 5.8 earthquake occurs in the Kermadec Islands, New Zealand, at depth 35 km on August 30.
Kermadec Islands, New Zealand
Exercises · HYDROPAC 2478/2612:05Z
Hazardous operations 0300Z to 1900Z daily 01 thru 04, 07 thru 11, 14 thru 18, 21 thru 25 and 28 thru 30 sep…
Arabian Sea · Pakistan
Missiles · HYDROPAC 2479/2612:53Z
Hazardous operations, space debris 312129Z to 312152Z aug in area bound by 27-47.00S 176-37.00W, 29-07.00S…
South Pacific · New Zealand
Other · HYDROPAC 2480/2616:07Z
M/V burgan suffered a security incident and anchored in 26-22.50N 056-20.40E
Strait of Hormuz · Oman
Exercises · HYDROPAC 2481/2616:38Z
Hazardous operations 010230Z to 011130Z sep in area bound by 17-23.00N 083-43.00E, 17-23.00N 083-53.00E,…
Bay of Bengal · India
Wrecks · HYDROPAC 2482/2616:59Z
F/V om shree masthi amma sank in 14-47.21N 074-01.62E
Arabian Sea · India
Icebergs · NAVAREA IV 841/2619:40Z
North american ice service (nais) iceberg bulletin 310001Z aug

Cancelled · 121

Missiles · NAVAREA XI 384/2600:06Z
Hazardous 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 19 100/2606:30Z
Rig 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-US6000TMLU17:41Z
194 km sw of labuan, indonesia
Cable ops · NAVAREA IV 819/2618:45Z
Cable 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 820/2618:45Z
Iceberg limits are established along tracklines in the North Atlantic, with reconnaissance from satellite August 26, report icebergs to Coast Guard.
Cable ops · NAVAREA XII 575/2618:45Z
Cable operations by M/V Grace occur in the North Pacific from August 27 to September 11, with a two-mile berth requested.
North Pacific
Wrecks · HYDROPAC 2417/2618:45Z
A dangerous wreck is located in the Java Sea, Indonesia at 04-14.70S 113-44.30E.
Java Sea · Indonesia
Icebergs · HYDROLANT 1657/2618:45Z
Icebergs 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 2419/2618:45Z
Hazardous 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 2420/2618:45Z
Hazardous 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 2421/2618:45Z
Hazardous operations are taking place in the Arabian Sea from August 24 to 30 within a defined area.
Arabian Sea
Exercises · HYDROPAC 2422/2618:45Z
Hazardous 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 1658/2618:45Z
Navigation 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
Cable ops · NAVAREA XII 573/2618:45Z
Cable 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
Derelicts · NAVAREA IV 818/2618:45Z
Derelict 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 2413/2618:45Z
A 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
Nav aids · HYDROLANT 1659/2618:45Z
In 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 2424/2618:45Z
Hazardous operations in Bay of Bengal, India, Aug 25 0830Z to 0930Z in a bounded area.
Bay of Bengal · India
Exercises · HYDROPAC 2425/2618:45Z
Gunnery 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 2426/2618:45Z
Apo Island light in Bohol Sea, Philippines, at 09-04.98N 123-16.22E is unlit.
Bohol Sea · Philippines
Icebergs · HYDROLANT 1661/2618:45Z
Icebergs 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 821/2618:45Z
Survey 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 822/2618:45Z
Survey operations by vessel Genesis are ongoing until December 1 off Suriname, with a one mile berth requested.
North Atlantic · Suriname
Exercises · HYDROPAC 2415/2618:45Z
Gunnery 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 572/2618:45Z
Hazardous operations will take place near Hawaii from 27 to 31 August in a defined area; the message cancels on September 1.
North Pacific · Hawaii
Exercises · HYDROPAC 2410/2618:45Z
Hazardous 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 1643/2618:45Z
In 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 813/2618:45Z
In 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 814/2618:45Z
Naval operations occur in the Caribbean Sea off Colombia from 261200Z to 262100Z August within a defined area.
Caribbean Sea · Colombia
Missiles · HYDROLANT 1644/2618:45Z
Rocket launching operations are in effect daily from 27 August to 6 September in areas of the North Atlantic.
North Atlantic
Surveys · HYDROLANT 1645/2618:45Z
Daily 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 1646/2618:45Z
Underwater 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 1647/2618:45Z
Underwater 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 1650/2618:45Z
A 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 184/2618:45Z
At 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 816/2618:45Z
A 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 817/2618:45Z
Survey 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
Surveys · HYDROLANT 1652/2618:45Z
Underwater 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
Surveys · HYDROLANT 1294/2620:04Z
Survey 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 385/2623:21Z
Cancellation 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-1119800:00Z
Mendenhall glacier flood outburst 2026; juneau, alaska
Spills · NOAAORR-1119900:00Z
Satellite detection of mystery sheens; howell hook, gulf of america
Quakes · USGS-US6000TMRN07:40Z
Earthquake magnitude 5.7 (mb) in 60.265S 047.259W, depth 10 km at 220740Z aug 26
Scotia Sea
Other · NAVAREA II 307/2608:06Z
Drifting 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
Quakes · USGS-US6000TMRW08:22Z
Earthquake magnitude 6.2 (mww) in 60.379S 047.605W, depth 10 km at 220822Z aug 26
Scotia Sea
Storms · NAVAREA XI 378/2612:21Z
Due to a tropical storm, the ports of Saipan and Tinian in the Marianas are closed until further notice.
North Pacific, Marianas
Quakes · USGS-US6000TMTA17:00Z
4 km n of toride, japan
Storms · NAVAREA XI 389/2600:06Z
Due to a tropical storm, a port in the Marianas is reopened, cancelling warning 0378/26 and this message.
North Pacific, Marianas
Quakes · USGS-US6000TMZ613:44Z
32 km ssw of honchō, japan
Missiles · NAVAREA X 96/2616:23Z
Space debris danger area 100 nautical miles either side of a line in the Southern Ocean from Cape Darnley to Tasmania, daily 25-31 August 2026 0809-1608 UTC.
Nav aids · AUSCOAST 253/2623:23Z
Cliff Head Platform light in position 29-26.99S 114-52.18E is unlit.
Spills · NOAAORR-1120100:00Z
Pollution surveillance report off santa barbara; montecito, california
Spills · NOAAORR-1120200:00Z
J444+RW monterey, ca, USA
Diesel Spill In Monterey Bay; Monterey, California
Surveys · NAVAREA III 102/2600:00Z
Drilling operations by Yavuz platform supported by several vessels are underway in the Black Sea from 27 June 2026 to 10 September 2026.
Black Sea
Spills · NOAAORR-1120000:00Z
Mystery sheen at south pass 29; port eads, louisiana
Quakes · USGS-US6000TN3310:02Z
207 km sse of amahai, indonesia
Exercises · NAVAREA XI 380/2613:21Z
Hazardous operations are taking place in the Marianas area from 27 August 0200Z to 0600Z, with cancellation at 0700Z.
North Pacific, Marianas
Quakes · USGS-US6000TN4114:10Z
211 km nne of lospalos, timor leste
Missiles · NAVAREA 19 99/2606:30Z
Rocket launching occurs from 13 August 2026 to 27 August 2026 in a designated danger area, with cancellation at 271900 UTC.
Quakes · USGS-US6000TNBM07:00Z
108 km ne of hengchun, taiwan
Surveys · NAVAREA 7 250/2608:00Z
NAVAREA VII 250 of 2026 (31 aug 26) 1. south atlantic ocean - ne sector 2. angola, namibia 3. charts san 1,…
Quakes · USGS-US6000TNCI12:12Z
Earthquake magnitude 5.5 (mww) in 23.350S 179.821E, depth 528 km at 251212Z aug 26
South of the Fiji Islands
Missiles · NAVAREA 19 108/2618:30Z
Norwegian sea grennland sea 1. rocket launch operation will be conducted
Surveys · NAVAREA 19 107/2618:30Z
List of rigs for Norwegian Sea north of 65N east of 5W shows four rigs with 500 metre safety zones and cancels warning 103/26.
Riglist
Cable ops · NAVAREA 19 106/2618:30Z
Seismic survey in Norwegian Sea by vessel Amazon Conqueror towing 12 long cables; wide berth requested: 3 miles ahead/abeam, 7 miles astern.
Norwegian Sea
Nav aids · HYDROLANT 1684/2619:00Z
Fog signal at Dungeness Light, England, is inoperative; warnings 1680/26 and 1681/26 are canceled.
English Channel · England
Surveys · HYDROARC 126/2619:00Z
In Kara Sea, Russia, survey operations by vessel Akvamarin towing 1000-meter cable from July 14 2026 until further notice; two-mile berth requested.
Kara Sea · Russia
Surveys · NAVAREA IV 708/2619:00Z
Survey operations by vessel FUGRO DISCOVERY in North Atlantic off Virginia from July 23 to August 26, wide berth requested.
North Atlantic · Virginia
Nav aids · HYDROPAC 2115/2619:00Z
Cliff Head platform at 29-26.99S 114-52.18E is unlit; the Hydropac warning 2088/26 is canceled.
Eastern Indian Ocean · Australia
Nav aids · NAVAREA IV 727/2619:00Z
A cable buoy is established at position 12 degrees 28 minutes north, 69 degrees 45 minutes west in the Caribbean Sea off Venezuela.
Caribbean Sea · Venezuela
Surveys · HYDROLANT 1496/2619:00Z
Survey operations are underway in the North Sea near Norway by the vessel Ramform Hyperion towing ten 2740-meter cables, requesting a three-mile berth.
North Sea · Norway
Cable ops · HYDROLANT 1497/2619:00Z
Survey operations by cableship Nautilus are in progress near Angola until 22 August; wide berth requested.
South Atlantic · Angola
Nav aids · HYDROLANT 1503/2619:00Z
El Hank Light at 33-36.60N 007-39.28W is unlit.
North Atlantic · Morocco
Nav aids · HYDROLANT 1510/2619:00Z
Noup Head light in the Orkney Islands has its range reduced to 12 miles.
North Atlantic · Orkney Islands
Surveys · HYDROLANT 1523/2619:00Z
Underwater operations by motor vessels Marsanne and Comando B in South Atlantic off Brazil at 20-23.57S 040-08.87W, daily Aug 8-22, wide berth requested, canceled Aug 26.
South Atlantic · Brazil
Wrecks · HYDROLANT 1525/2619:00Z
A dangerous wreck is located at 23-57.50N 015-50.00W in the North Atlantic near Western Sahara.
North Atlantic · Western Sahara
Surveys · HYDROLANT 1529/2619:00Z
Survey operations are in progress until 09 July 2027 by vessel BGP Dragon towing a 250-meter cable near Brazil; wide berth requested.
South Atlantic · Brazil
Missiles · HYDROPAC 2302/2619:00Z
Space debris operations in the Indian Ocean from Aug 16 to 22 in an area near 25S 58E to 37S 71E.
Indian Ocean
Nav aids · HYDROLANT 1532/2619:00Z
MF DSC service is off air at Tiree in the Sea of the Hebrides, Scotland, at 56-30.20N 006-57.80W.
Sea of the Hebrides · Scotland
Surveys · HYDROLANT 1541/2619:00Z
Survey operations by tug MCE Navegacao I in South Atlantic off Brazil from 10 August 2026 to 8 March 2027. Wide berth requested.
South Atlantic · Brazil
Missiles · NAVAREA IV 776/2619:00Z
Rocket launching hazardous operations occur off Florida from August 16 to 22, with alternate times, in designated areas.
North Atlantic · Florida
Missiles · NAVAREA XII 540/2619:00Z
Space debris hazard operations occur daily from August 13 to 26 in two North Pacific areas.
North Pacific
Missiles · HYDROPAC 2289/2619:00Z
Space debris hazard operations daily 13 to 26 August, 2100Z to 1800Z, in the South Pacific.
South Pacific
Surveys · HYDROLANT 1544/2619:00Z
Underwater operations by vessels Comando B and Faneromeni occur daily 0800Z to 1800Z from 11 to 25 August at 20-23S 040-09W, wide berth requested.
South Atlantic · Brazil
Nav aids · HYDROLANT 1545/2619:00Z
Azores MF/HF voice and DSC services at 37-47.65N 25-49.42W are off air.
North Atlantic · Azores
Exercises · HYDROLANT 1562/2619:00Z
Hazardous operations occur in the Black Sea off Romania on August 18-21 and 24-28, with daily time windows, in a defined area.
Black Sea · Romania
Cable ops · NAVAREA IV 778/2619:00Z
Cable ship Cable Vigilance is performing cable operations in the North Atlantic from August 15 to 28, 2026, requesting one mile berth.
North Atlantic
Missiles · HYDROARC 168/2619:00Z
Hazardous rocket launching operations occur in Barents Sea, Russia, from August 13 to 27, in three bounded areas.
Barents Sea · Russia
Surveys · HYDROLANT 1560/2619:00Z
Underwater operations are in progress off Brazil until 27 August by vessels Navios Felix and Comando B at 20-22.12S 040-08.38W; wide berth requested.
South Atlantic · Brazil
Surveys · HYDROLANT 1565/2619:00Z
Underwater operations by vessels Comando B and AM Kirti occur daily from 13 to 22 August at 20-23.90S 040-09.67W; wide berth requested.
South Atlantic · Brazil
Surveys · HYDROLANT 1566/2619:00Z
Underwater operations by vessels Comando B and Faneromeni in South Atlantic off Brazil at 20-23.67S 040-09.45W, 12-21 August daily 1100Z-2100Z, wide berth requested.
South Atlantic · Brazil
Exercises · HYDROPAC 2326/2619:00Z
Hazardous operations are being conducted daily in the Bay of Bengal, India, from 17 to 26 August, 01:30Z to 14:30Z, within a specified area.
Bay of Bengal · India
Missiles · HYDROPAC 2327/2619:00Z
Space debris hazard operations in the Indian Ocean from August 16 to 23, daily 0148Z to 0429Z, between 23S-38S and 058E-074E.
Indian Ocean
Exercises · HYDROPAC 2328/2619:00Z
Gunnery exercises are taking place in a bounded area in the South Pacific off Peru from August 18 to August 24.
South Pacific · Peru
Missiles · HYDROLANT 1569/2619:00Z
A space debris hazard zone is in effect off Brazil in the South Atlantic from 18 Aug to 28 Aug, cancelled 28 Aug 22:30 UTC.
South Atlantic · Brazil
Surveys · HYDROLANT 1573/2619:00Z
Underwater operations by vessels Comando B and Rosco Banyan in South Atlantic, Brazil at 20-23S 040-10W daily 15-29 August, wide berth requested.
South Atlantic · Brazil
Cable ops · HYDROLANT 1575/2619:00Z
Underwater operations by cableship Ile d'Yeu continue daily until 13 September along a trackline in the South Atlantic off Brazil; wide berth requested.
South Atlantic · Brazil
Surveys · HYDROLANT 1663/2619:00Z
Survey 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
Nav aids · HYDROLANT 1666/2619:00Z
Curuca Light at 00-33.88S 047-45.98W in Brazil is unlit until 20 February 2027.
South Atlantic · Brazil
Debris · HYDROLANT 1670/2619:00Z
An object is adrift at 43-48.11N 028-38.53E in the Black Sea off Romania, as of 25 August.
Black Sea · Romania
Exercises · HYDROLANT 1677/2619:00Z
Hazardous operations daily 0600-1100Z September 1-3 in Black Sea off Romania; message cancels September 3 at 1200Z.
Black Sea · Romania
Surveys · HYDROLANT 1672/2619:00Z
Underwater operations are ongoing daily from 0800Z to 1800Z in the South Atlantic off Brazil at 20-23.92S 040-09.47W until September 10, requesting wide berth.
South Atlantic · Brazil
Exercises · HYDROLANT 1673/2619:00Z
Hazardous operations are scheduled in Black Sea off Romania from August 31 to September 4 in specified areas.
Black Sea · Romania
Surveys · HYDROLANT 1678/2619:00Z
Underwater operations daily from 28 August to 11 September by vessels Comando B and Elati at 20-23.40S 040-09.98W; wide berth requested.
South Atlantic · Brazil
Exercises · HYDROLANT 1682/2619:00Z
Hazardous operations in North Atlantic within 41 miles of 55-05N 019-00W from September 1 1600Z to September 2 1300Z.
North Atlantic
Surveys · NAVAREA IV 538/2619:00Z
Underwater operations by vessel Handin Tide continue until 25 August in the North Atlantic off Guyana, near 08-00N 057-00W; wide berth requested.
North Atlantic · Guyana
Containers · HYDROLANT 1685/2619:00Z
Containers are adrift near 44-37.93N 029-46.92E in the Black Sea off Romania, as of 14:55 UTC on August 27.
Black Sea · Romania
Cable ops · HYDROLANT 1687/2619:00Z
Cable operations by cableship Sovereign continue near Orkney Islands at 59-49N 002-58W. One mile berth requested.
North Atlantic · Orkney Islands
Icebergs · HYDROLANT 1688/2619:00Z
Icebergs A84, A85, D33A, D33C reported in Scotia Sea, South Atlantic, South Pacific, Antarctica. This warning cancels August 29, 2026.
Scotia Sea · South Atlantic · South Pacific · Antarctica
Nav aids · HYDROLANT 1690/2619:00Z
The radar beacon at Hyskeir Light, at 56-58.20N 006-40.80W in the Sea of the Hebrides, Scotland, is inoperative.
Sea of the Hebrides · Scotland
Surveys · HYDROLANT 1691/2619:00Z
Survey operations in Norwegian Sea by the vessel Amazon Conqueror towing 12 cables of 10000 meters, requesting a 7-mile berth, until further notice.
Norwegian Sea
Icebergs · HYDROLANT 1692/2619:00Z
Icebergs reported in Scotia Sea, South Atlantic, and South Shetland Islands; message cancelled at 291430Z Aug 26.
Scotia Sea · South Atlantic · South Shetland Islands
Exercises · HYDROLANT 1693/2619:00Z
Hazardous operations continue until September 5 in the Greenland Sea near Jan Mayen within a defined area.
Greenland Sea · Jan Mayen
Exercises · NAVAREA XI 390/2612:06Z
Gunnery exercise in southern South China Sea on 29 August from 0000 to 0200Z, alternate 0700 to 0900Z, within 4000 meters of listed points.
South China Sea, Southern Part · Gunnery
Quakes · USGS-US7000TC1819:21Z
209 km ese of ōfunato, japan
Missiles · HYDROPAC 2444/2612:53Z
Space debris hazardous operations in South Pacific near New Zealand from Aug 31 12:24Z to 22:00Z in a defined area.
South Pacific · New Zealand
Missiles · NAVAREA XI 372/2616:21Z
Rocket firing is scheduled daily on August 23 and 29 from 2200Z to 1300Z within 25 miles of 31-14-14N 144-26-48E in the North Pacific near Nanpo Shoto.
North Pacific, Nanpo Shoto
Exercises · NAVAREA II 310/2616:30Z
A firing exercise is taking place within 20 miles of 23-35N 017-00W, between 270 and 360 degrees from Cap Blanc.
Cap Blanc
Nav aids · NAVAREA II 309/2616:30Z
Les Pierres Noires Lighthouse light unlit at 48-18.67N 004-54.87W.
Iroise
Derelicts · NAVAREA II 312/2616:30Z
Vessel Cap Timiris is adrift near 15-54.09N 016-34.57W as of 291700 UTC August 26; navigate with caution.
Cap Timiris · Drifting Hazards
Quakes · USGS-US7000TCF321:07Z
145 km n of caluula, somalia

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.