Nagai Kō Lighthouse
Location & Light Range
About Nagai Kō Lighthouse
This red concrete lighthouse, built in 1980, stands 8 meters tall on the southern breakwater of Nagai Kō. Its focal height reaches 9.5 meters, casting an occulting red light that flashes every 4 seconds. The structure consists of a concrete post mounted on a 1-story square equipment room, with the entire lighthouse painted red. It guides vessels into the port located on the west side of the Miura Peninsula. The site is open to the public, though the tower itself is closed.
Why it matters: This light is important for local fishing boats and smaller commercial vessels navigating the entrance to Nagai port, ensuring their safe passage around the main breakwater.
Light & Optic
- Flash Type
- Occulting
- Light Color
- Red
- Interval
- 4s
- Raw Code
- Oc R 4s
- Focal Height
- 9.5m
- Geographic Range
- 10.2NM
Construction & History
- Year Built
- 1980
Visiting
- Open to public
- Site open, tower closed
Nearby Vessels
Tower & Structure
- Tower Height
- 8m
- Tower Color
- red
- Material
- concrete
Structure: An 8m concrete post attached to a 1-story square concrete equipment room, with the entire lighthouse painted red.
Location
- City
- Yokosuka
- Country
- 🇯🇵Japan
- Region
- Kanagawa Prefecture
- Sea Region
- end of the south (main) breakwater of Nagai, on the west side of the Miura peninsula
- Latitude
- 35.2084°
- Longitude
- 139.6097°
References & Identifiers
- Nearest Port
- Misaki, Kanagawa(4.2 km)
- Admiralty No.
- M6339
- NGA No.
- 5392
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