Navigational warnings on 2026-08-18
UTC day · today
- issued
- 12
- cancelled
- 5
- in force at end
- 550
- of these still in force
- 0
Issued · by sea
| North Atlantic Ocean | 2 |
| South Atlantic Ocean | 2 |
| Black Sea | 1 |
| Barentsz Sea | 1 |
| Davis Strait | 1 |
| Laccadive Sea | 1 |
| Andaman or Burma Sea | 1 |
| Indian Ocean | 1 |
HYDROLANT 3 · NAVAREA IV 3 · HYDROPAC 2 · USGS earthquakes 2 · AUSCOAST 1 · HYDROARC 1
Issued · 12
- Surveys · HYDROLANT 1599/2600:03ZUnderwater operations by vessels Comando B and AM Kirti occur daily 0800Z to 1800Z until 29 August at 20-19.03S 040-08.77W; wide berth requested.South Atlantic · Brazil
- Surveys · HYDROLANT 1600/2600:34ZUnderwater operations are conducted daily from 0800 UTC to 1800 UTC until 28 August by vessels Spar Aries and Comando B at 20-48.85S 040-27.23W; wide berth requested.South Atlantic · Brazil
- Quakes · USGS-US6000TLKL05:02Z95 km sw of puerto madero, mexico
- Quakes · USGS-US6000TLKT06:02Z154 km sse of teluk dalam, indonesia
- Nav aids · AUSCOAST 278/2608:52ZTable Cape Light K3532 at 40-56.80S 145-43.74E is unreliable.
- Exercises · HYDROPAC 2370/2610:41ZHazardous operations are taking place in the Andaman Sea, India, from 211030Z to 211130Z August in an area bounded by coordinates.Andaman Sea · India
- Missiles · HYDROPAC 2372/2614:02ZRocket launching operations occur in the eastern Indian Ocean near India from 0530Z to 0700Z on 21 August.Eastern Indian Ocean · India
- Surveys · NAVAREA IV 799/2614:34ZUnderwater operations by vessel Atlantis are underway near 37-32.00N 074-14.00W in Delaware from August 30 to September 18, wide berth requested.North Atlantic · Delaware
- Missiles · HYDROARC 175/2617:56ZRocket launching hazardous operations in Barents Sea off Russia from August 23 to 30, with daily time windows.Barents Sea · Russia
- Debris · HYDROLANT 1606/2619:05ZObject adrift in Black Sea near Romania at 43-51.90N 030-44.00E as of 14:30 UTC on August 18.Black Sea · Romania
- Icebergs · NAVAREA IV 801/2619:25ZIceberg limits and sea ice limits are set along tracklines in the North Atlantic; report ice sightings to Canadian Coast Guard until August 26.
- Nav aids · NAVAREA IV 802/2620:15ZNAVTEX station Miami is off air; NAVAREA IV warning 800/26 is canceled.Western North Atlantic · Florida
Cancelled · 5
- Surveys · NAVAREA III 93/2600:00ZDrilling operations by the Kanuni platform are underway in the Black Sea from 16 Jun 26 to 30 Aug 26 within a defined area.Black Sea
- Towing · NAVAREA III 113/2600:00ZTowing vessel Manta is towing the Henry Goodrich platform to Aliaga port with a 600-meter trailer, wide berth requested, until August 26.Mediterranean Sea
- Surveys · NAVAREA III 114/2600:00ZDrilling operations by the Abdulhamid Han are underway in the Black Sea until 202059 UTC August 26, with a 10 nautical mile berth requested.Black Sea
- Quakes · USGS-US6000TL1S16:25Z132 km nne of palu, indonesia
- Quakes · USGS-US6000TL3619:32ZEarthquake magnitude 5.6 (mww) in 23.461N 142.835E, depth 55 km at 151932Z aug 26Volcano Islands, Japan Region
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.