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Eisei Lighthouse

Oc Red 6s🇯🇵Nishio, JPOperational

Location & Light Range

About Eisei Lighthouse

Also known as: Eisei (Sako, Isshiki)

Established in 1951, the Eisei lighthouse is a 13-meter red concrete cylindrical post situated on a dike. It rises from a single-story equipment shelter and guides vessels with a red light that flashes once every 6 seconds. This structure extends 15 meters above sea level, offering a geographic range of 11.9 nautical miles. The lighthouse marks a channel on the northwest side of Nishio, Japan, primarily used by local fishermen. The site is accessible to the public, but the tower itself is closed.

Why it matters: This lighthouse is essential for the local fishing fleet in Nishio, providing critical guidance through a specific channel on the city's northwest side. Its continuous service since 1951 highlights its enduring practical value to the region's maritime economy.

Light & Optic

Characteristic Signature
Oc Red 6s
Flash Type
Occulting
Light Color
Red
Interval
6s
Raw Code
Oc R 6s
Focal Height
15m
Geographic Range
11.9NM

Construction & History

Year Built
1951

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
13m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: A 13m red concrete post, rising from a 1-story equipment shelter.

Location

City
Nishio
Country
🇯🇵Japan
Region
Aichi Prefecture
Sea Region
A channel used by fishermen on the northwest side of Nishio, Japan, situated on a dike.
Latitude
34.8240°
Longitude
136.9969°

References & Identifiers

Nearest Port
Kinuura(3.2 km)
Admiralty No.
M6178
NGA No.
5968
ARLHS No.
JPN-1709
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Frequently Asked Questions

How do mariners identify Eisei Lighthouse at night?+
Eisei displays the characteristic Oc Red 6s. 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 Eisei Lighthouse guide vessels into?+
Eisei Lighthouse assists vessels approaching 5 nearby ports. The closest is Kinuura at 2.8 NM to the NW. Other ports served include Take (2.8 NM NW), Tokonami (2.8 NM NW), Taketoyo (2.8 NM NW), Ura (2.8 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Eisei Lighthouse still active and maintained?+
Yes, Eisei 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 Eisei Lighthouse?+
Eisei 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 Eisei Lighthouse?+
You can track vessels near Eisei 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.