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Yokohama Daikoku Breakwater West Head Lighthouse

Oc Red 4s🇯🇵Yokohama, JPOperational

Location & Light Range

About Yokohama Daikoku Breakwater West Head Lighthouse

This lighthouse stands as a red, cylindrical concrete tower 23 meters in height, topped with a lantern and gallery. It is situated at the southern end of the Daikoku breakwater, serving as the outermost protective barrier for Yokohama's inner harbor. This position places it beyond the older Outer Breakwater, providing a key visual reference for ships approaching the port. The light emits an occulting red signal, appearing once every 4 seconds. This structure's geographic range extends to 13.8 nautical miles, guiding vessels safely.

Why it matters: This lighthouse is indispensable for maritime safety, marking the western end of the Daikoku breakwater, a critical entry point for vessels heading into Yokohama's inner harbor. Its light prevents ships from encountering the breakwater, ensuring smooth navigation through this heavily trafficked port.

Light & Optic

Characteristic Signature
Oc Red 4s
Flash Type
Occulting
Light Color
Red
Interval
4s
Raw Code
Oc R 4s
Focal Height
23m
Geographic Range
13.8NM

Location

City
Yokohama
Country
🇯🇵Japan
Region
Kanagawa Prefecture
Sea Region
Located on the south end of the Daikoku breakwater, which is the outermost breakwater for Yokohama's inner harbor, situated outside the Outer Breakwater.
Latitude
35.4480°
Longitude
139.6938°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
23m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

References & Identifiers

Nearest Port
Kawasaki(3.7 km)
Admiralty No.
M6401.5
NGA No.
5180
ARLHS No.
JPN-1397
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Frequently Asked Questions

How do mariners identify Yokohama Daikoku Breakwater West Head Lighthouse at night?+
Yokohama Daikoku Breakwater West Head displays the characteristic Oc Red 4s. 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 Yokohama Daikoku Breakwater West Head Lighthouse guide vessels into?+
Yokohama Daikoku Breakwater West Head Lighthouse assists vessels approaching 5 nearby ports. The closest is Yokohama at 2.6 NM to the SW. Other ports served include Higashi-Ogishima (4.7 NM NE), Asahimachi (5.1 NM N), Kawasaki (5.1 NM NE), Tsuzuki Ku (8.1 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Yokohama Daikoku Breakwater West Head Lighthouse still active and maintained?+
Yes, Yokohama Daikoku Breakwater West Head 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 Yokohama Daikoku Breakwater West Head Lighthouse?+
Yokohama Daikoku Breakwater West Head 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 Yokohama Daikoku Breakwater West Head Lighthouse?+
You can track vessels near Yokohama Daikoku Breakwater West Head 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.