This live disaster surveillance camera monitors Nagai Fishing Harbor's main basin in Yokosuka, Japan, operated by the city's official emergency management system. Viewers see an infrared nighttime view of the working fishing port, revealing moored vessels, dock infrastructure, and harbor activity in real-time conditions. The camera serves both as a public resource for monitoring maritime activity and as part of Yokosuka's comprehensive disaster preparedness network, allowing residents and authorities to track the harbor's status during emergencies and normal operations.