Navigational warnings, week 2026-W13
2026-03-23 to 2026-03-29 UTC
- issued
- 24
- cancelled
- 19
- in force at end
- 701
- of these still in force
- 5
Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so this period is under-counted.
Issued · by sea
| North Pacific Ocean | 5 |
| Indian Ocean | 4 |
| South Pacific Ocean | 3 |
| Arabian Sea | 3 |
| Gulf of Mexico | 3 |
| North Atlantic Ocean | 2 |
| Andaman or Burma Sea | 1 |
| South Atlantic Ocean | 1 |
HYDROPAC 10 · USGS earthquakes 6 · NOAA IncidentNews 4 · HYDROLANT 2 · NAVAREA I 1 · AUSCOAST 1
Issued · 24
- Spills · NOAAORR-1113700:00ZV26H+97 port arthur, tx, USAExplosion At Oil Refinery; Port Arthur, Texas
- Quakes · USGS-US6000SISB06:02Z106 km ene of hihifo, tonga
- Wrecks · HYDROLANT 582/26in force10:40ZFoul ground exists in a bounded area off Brazil until December 6, 2027.South Atlantic · Brazil
- Other · NAVAREA I 61/26in force16:05ZPorcupine Abyssal Plain ODAS buoy moved to 48-56.3N 016-22.5W, cancelling warning 59/26.Western Approaches To United Kingdom and Ireland · Porcupine Abyssal Plain
- Nav aids · HYDROLANT 585/26in force19:13ZPAP ODAS buoy is now at 48-56.30N 016-22.50W; Hydrolant 579/26 is cancelled.North Atlantic
- Missiles · HYDROPAC 934/2622:11ZSpace debris hazard operations are underway from April 1-30 across areas of the eastern Indian Ocean, South Pacific, and Tasman Sea, with cancellation on May 1.Eastern Indian Ocean · South Pacific · Tasman Sea
- Quakes · USGS-US7000S78904:37Z158 km w of neiafu, tonga
- Spills · NOAAORR-1113800:00Z76XF6GC9+XVFlowline Leak At Lake Barre Facility; Terrebone Bay, Louisiana
- Spills · NOAAORR-1113900:00Z76C8QHVW+78Oil Spill; Bay of Campeche, Mexico
- Quakes · USGS-US7000S7H910:11Z86 km wnw of hihifo, tonga
- Surveys · HYDROPAC 924/2611:23ZUnderwater operations by several vessels in the Gulf of Khambhat, India, from March 27 through April 25; wide berth requested.Arabian Sea · Gulf of Khambhat · India
- Quakes · USGS-US7000S7U414:18Z123 km e of yamada, japan
- Quakes · USGS-US7000S7W617:15Z2 km wsw of ciudad sandino, nicaragua
- Spills · NOAAORR-1114000:00ZRecreational vessel grounding, salinas river; monterey bay, california
- Exercises · HYDROPAC 929/2602:41ZHazardous operations occur from 0300Z to 1900Z daily on 1-3, 6-10, 13-17, 20-24, 27-30 April in four areas off Pakistan in the Arabian Sea.Arabian Sea · Pakistan
- Exercises · HYDROPAC 936/2612:08ZGunnery exercises daily from 31 March to 29 April, 2300Z to 0900Z, in the North Pacific.North Pacific
- Exercises · HYDROPAC 937/2613:14ZHazardous operations occur daily on April 2, 9, 16, and 23 in Andaman Sea area bounded by coordinates, from 0400-0600 UTC and 0830-1030 UTC.Andaman Sea · India
- Nav aids · HYDROPAC 946/2606:37ZPoint Cloates light at 22-42.57S 113-40.86E is unlit and the prior warning is cancelled.Eastern Indian Ocean · Australia
- Other · HYDROPAC 947/2608:08ZUnited States Coast Guard remote communication facility at Guam, 13-29N 144-50E, has weather message services interrupted.North Pacific
- Nav aids · HYDROPAC 952/2617:44ZManora Breakwater Light at 24-46.74N 066-58.96E is unlit.Arabian Sea · Pakistan
- Quakes · USGS-US7000S8EC18:38Z146 km ne of lospalos, timor leste
- Surveys · AUSCOAST 120/26in force16:51ZSpecial purpose vessel Safe Boreas is supporting underwater operations in a bounded area; 2.5 nautical mile clearance requested.
- Surveys · HYDROPAC 957/26in force17:26ZUnderwater operations are in progress by vessel Safe Boreas in the eastern Indian Ocean off Australia, within 12-54.90S 124-25.10E to 12-59.90S 124-35.10E.Eastern Indian Ocean · Australia
- Wrecks · HYDROPAC 958/2623:20ZAn uncharted rock is reported in Bass Strait, Australia, at 39 degrees 26.28 minutes south, 147 degrees 22.64 minutes east.Bass Strait · Australia
Cancelled · 19
- Spills · NOAAORR-1113100:00ZContainer ship loses 32 containers; south of aleutian islands, alaska
- Quakes · USGS-US6000SHLP00:22ZEarthquake magnitude 6.5 (mww) in 61.188S 056.403W, depth 21 km at 200022Z mar 26South Shetland Islands
- Quakes · USGS-US6000SHNL02:30Z98 km wnw of isangel, vanuatu
- Spills · NOAAORR-1113200:00ZMC5V+W7 new castle, de, USABarge Fire; New Castle, Delaware
- Quakes · USGS-US6000SI1703:20Z51 km w of norsup, vanuatu
- Quakes · USGS-US6000SI5L12:16ZEarthquake magnitude 6.6 (mww) in 23.860N 045.799W, depth 10 km at 211216Z mar 26Northern Mid-atlantic Ridge
- Spills · NOAAORR-1113300:00ZOn march 11, 2026, U.SF/V Vesta Renee Sinking; Coastal Maine · Maine
- Quakes · USGS-US6000SIC303:03ZEarthquake magnitude 5.7 (mww) in 8.909S 108.397W, depth 10 km at 220303Z mar 26Central East Pacific Rise
- Quakes · USGS-US6000SIDB06:15Z121 km ne of hihifo, tonga
- Quakes · USGS-US6000SII015:27Z148 km ene of hihifo, tonga
- Quakes · USGS-US6000SII115:30Z140 km ene of hihifo, tonga
- Quakes · USGS-US6000SIIA16:00Z135 km ne of hihifo, tonga
- Quakes · USGS-US6000SILN22:26Z110 km ene of hihifo, tonga
- Spills · NOAAORR-1113400:00ZProvincetown, ma, USAF/V Yankee Rose Sinking; Provincetown, Massachusetts
- Quakes · USGS-US6000SISB06:02Z106 km ene of hihifo, tonga
- Quakes · USGS-US7000S78904:37Z158 km w of neiafu, tonga
- Quakes · USGS-US7000S7H910:11Z86 km wnw of hihifo, tonga
- Quakes · USGS-US7000S7U414:18Z123 km e of yamada, japan
- Quakes · USGS-US7000S7W617:15Z2 km wsw of ciudad sandino, nicaragua
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.