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Chikura Kō Middle Breakwater Lighthouse

F (2) Red 8s🇯🇵Minamiboso, JPOperational

Location & Light Range

About Chikura Kō Middle Breakwater Lighthouse

This red, cylindrical concrete lighthouse was built and first lit in 1973. Standing 9.5 meters tall with a focal height of 11 meters, it is located at the end of a middle breakwater. The structure consists of a post attached to a one-story equipment shelter. Its light emits two red flashes every 8 seconds and has a geographic range of 10.7 nautical miles. The lighthouse is situated at Chikura, a small port about 8 km northeast of Nojima Saki.

Why it matters: The lighthouse warns mariners of the breakwater's end, ensuring safe navigation for vessels entering Chikura port. Its distinctive concrete post and equipment shelter design makes it a notable feature of the local maritime infrastructure.

Light & Optic

Characteristic Signature
F (2) Red 8s
Flash Type
Fixed
Light Color
Red
Flash Count
2 flashes
Interval
8s
Raw Code
F.Fl(2) R 8s
Focal Height
11m
Geographic Range
10.7NM

Construction & History

Year Built
1973

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
9.5m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: A 9.5m red concrete post attached to a square 1-story equipment shelter.

Location

City
Minamiboso
Country
🇯🇵Japan
Region
Chiba Prefecture
Sea Region
End of a breakwater at Chikura, a small port about 8 km northeast of Nojima Saki.
Latitude
34.9576°
Longitude
139.9645°

References & Identifiers

Nearest Port
Wada(5.1 km)
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Frequently Asked Questions

How do mariners identify Chikura Kō Middle Breakwater Lighthouse at night?+
Chikura Kō Middle Breakwater displays the characteristic F (2) Red 8s — 2 red flashes every 8 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Chikura Kō Middle Breakwater Lighthouse guide vessels into?+
Chikura Kō Middle Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Wada at 5.3 NM to the NNE. Other ports served include Tateyama (6.3 NM WNW), Muya (8.5 NM WNW), Abuto (9.8 NM NE), Kazusaminato (16.4 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Chikura Kō Middle Breakwater Lighthouse still active and maintained?+
Yes, Chikura Kō Middle Breakwater Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
What shipping routes pass near Chikura Kō Middle Breakwater Lighthouse?+
Chikura Kō Middle Breakwater Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Chikura Kō Middle Breakwater Lighthouse?+
You can track vessels near Chikura Kō Middle Breakwater Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.