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Tomisaki Kō Lighthouse

F Red 6s🇯🇵Tateyama, JPOperational

Location & Light Range

About Tomisaki Kō Lighthouse

This lighthouse, built in 1966, is a red, cylindrical concrete structure standing 8.5 meters tall. It is situated at the end of the south breakwater at Tomisaki, a small harbor protected by Mera Hana. The light emits a single red flash every six seconds. The structure consists of the concrete post attached to a single-story equipment shelter. The site is accessible to the public, though the tower itself is closed.

Why it matters: The lighthouse is essential for guiding fishing boats and other small vessels into the sheltered harbor of Tomisaki, marking the entrance and averting hazards near the breakwater and Mera Hana.

Light & Optic

Characteristic Signature
F Red 6s
Flash Type
Fixed
Light Color
Red
Interval
6s
Raw Code
F.Fl R 6s
Focal Height
10m
Geographic Range
10.4NM

Construction & History

Year Built
1966

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
8.5m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: A 8.5m concrete post attached to a square 1-story concrete equipment shelter, painted red.

Location

City
Tateyama
Country
🇯🇵Japan
Region
Chiba Prefecture
Sea Region
Located at the end of the south breakwater at Tomisaki, a small harbor in the lee of Mera Hana.
Latitude
34.9194°
Longitude
139.8236°

References & Identifiers

Nearest Port
Tateyama(4.4 km)
ARLHS No.
JPN-1341
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Frequently Asked Questions

How do mariners identify Tomisaki Kō Lighthouse at night?+
Tomisaki Kō displays the characteristic F 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 Tomisaki Kō Lighthouse guide vessels into?+
Tomisaki Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Muya at 5 NM to the NNW. Other ports served include Tateyama (5.3 NM NNE), Wada (11.7 NM NE), Maguchi (15.3 NM NNW), Abuto (16.6 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tomisaki Kō Lighthouse still active and maintained?+
Yes, Tomisaki Kō 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 Tomisaki Kō Lighthouse?+
Tomisaki Kō 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 Tomisaki Kō Lighthouse?+
You can track vessels near Tomisaki Kō 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.