Navigational warnings, week 2026-W17
2026-04-20 to 2026-04-26 UTC
- issued
- 16
- cancelled
- 11
- in force at end
- 683
- 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 |
| Gulf of Mexico | 3 |
| South Atlantic Ocean | 2 |
| Southern Ocean | 1 |
| Mediterranean Sea - Eastern Basin | 1 |
| Sea of Okhotsk | 1 |
| Bay of Bengal | 1 |
| Philippine Sea | 1 |
USGS earthquakes 6 · NOAA IncidentNews 5 · HYDROPAC 3 · HYDROLANT 2
Issued · 16
- Quakes · USGS-US6000SRI707:52Z102 km ene of miyako, japan
- Quakes · USGS-US7000SH0A07:56Z100 km e of miyako, japan
- Spills · NOAAORR-1115300:00ZOil spill at tpic main pass 33; gulf, louisiana
- Spills · NOAAORR-1114800:00Z60 admiralty cross, coronado, ca 92118, USASunken Sailboat, San Diego Bay; Coronado, California
- Quakes · USGS-US6000SRTD10:30ZEarthquake magnitude 5.7 (mww) in 62.306S 165.527E, depth 10 km at 211030Z apr 26Balleny Islands Region
- Quakes · USGS-US6000SRVU18:44Z121 km e of noda, japan
- Spills · NOAAORR-1115100:00ZEmpire, la, USAMystery Sheen In Eloi Bay; Empire, Louisiana
- Nav aids · HYDROPAC 1203/26in force11:03ZThe radar beacon at Luhara Point Light (21 degrees 39.57 minutes north, 72 degrees 32.89 minutes east) in the Gulf of Khambhat, India, is inoperative.Gulf of Khambhat · India
- Spills · NOAAORR-1114900:00ZTyphoon sinlaku; guam and the commonwealth of the northern mariana islands
- Nav aids · HYDROLANT 809/26in force01:21ZAn ODAS buoy is temporarily established in the South Atlantic off Brazil at 32-32.46S 052-06.03W until 31 Dec 2027; HYDROLANT 1946/25 canceled.South Atlantic · Brazil
- Nav aids · HYDROLANT 810/26in force01:29ZA yellow data buoy is established in the South Atlantic off Brazil at 17-58.12S 038-41.48W until October 19; message cancels October 26.South Atlantic · Brazil
- Surveys · HYDROPAC 1291/26in force12:31ZUnderwater operations in the Sea of Okhotsk, Russia, run from 1 May to 31 October; wide berth requested.Sea of Okhotsk · Russia
- Spills · NOAAORR-1115200:00ZOil spill at tpic main pass 65; empire, louisiana
- Quakes · USGS-US6000SSHC03:18Z9 km e of kentrí, greece
- Nav aids · HYDROPAC 1237/26in force16:53ZA buoy is established in the Bay of Bengal off India at 14-05.21N 080-28.50E.Bay of Bengal · India
- Quakes · USGS-US6000SSSG08:05Z88 km se of akutan, alaska
Cancelled · 11
- Quakes · USGS-US6000SR2N05:59ZEarthquake magnitude 5.5 (mww) in 6.412N 060.200E, depth 10 km at 180559Z apr 26Carlsberg Ridge
- Quakes · USGS-US6000SR3L10:47ZEarthquake magnitude 5.9 (mww) in 32.003S 178.092W, depth 13 km at 181047Z apr 26South of the Kermadec Islands
- Quakes · USGS-US6000SR4K15:03Z46 km wsw of kirakira, solomon islands
- Quakes · USGS-US6000SR5Z20:06Z72 km wsw of gunungsitoli, indonesia
- Spills · NOAAORR-1114400:00ZOn march 31, 2026, a U.SOil Discharges; Black Bayou Oilfield, Louisiana · La, USA
- Spills · NOAAORR-1114300:00Z6C9J+FR baltimore, md, USAPartially Sunken Tugboat; Baltimore Harbor, Maryland
- Quakes · USGS-US6000SRED17:34Z88 km nne of hihifo, tonga
- Quakes · USGS-US6000SRI707:52Z102 km ene of miyako, japan
- Quakes · USGS-US7000SH0A07:56Z100 km e of miyako, japan
- Quakes · USGS-US6000SRTD10:30ZEarthquake magnitude 5.7 (mww) in 62.306S 165.527E, depth 10 km at 211030Z apr 26Balleny Islands Region
- Quakes · USGS-US6000SRVU18:44Z121 km e of noda, japan
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.