Navigational warnings on 2025-07-17

UTC day · today

issued: 7
cancelled: 4
in force at end: 618
of these still in force: 4

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 type

Other	3
Quakes	2
Spills	1
Wrecks	1

Issued · by sea

North Pacific Ocean	2
Indian Ocean	1
Gulf of Mexico	1

HYDROPAC 2 · USGS earthquakes 2 · HYDROARC 1 · HYDROLANT 1 · NOAA IncidentNews 1

Issued · 7

Spills · NOAAORR-1103500:00Z
Port sulphur, la, USA
Oil Spill In Bay Lanaux; Port Sulphur, Louisiana
Quakes · USGS-US7000QD4N04:30Z
96 km sse of sand point, alaska
Quakes · USGS-US7000QD6B09:04Z
76 km s of tambolaka, indonesia
Wrecks · HYDROPAC 1819/25in force13:10Z
Depths between 5.4 and 18.8 meters reported at several positions in Marshall Islands, North Pacific.
North Pacific · Marshall Islands
Other · HYDROLANT 1204/25in force17:51Z
The National Geospatial-Intelligence Agency advises that cancelled electronic navigational charts may cause unintended behavior on electronic chart display systems.
Cancelled Electronic Navigational Chart (enc) Advisory
Other · HYDROPAC 1823/25in force17:51Z
The National Geospatial-Intelligence Agency warns that cancelled electronic navigational charts may cause unintended ECDIS behavior on some systems, including Navy VMS 9.5 and Raytheon Anschutz Synapsis NX.
Cancelled Electronic Navigational Chart (enc) Advisory
Other · HYDROARC 103/25in force17:51Z
Cancelled electronic navigational charts may cause unintended behavior in some ECDIS systems, including reinstallation of recently cancelled charts.
Cancelled Electronic Navigational Chart (enc) Advisory

Cancelled · 4

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