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Tomisaki Ko Lighthouse

Fl R 6s🇯🇵Honshu-South Coast-Tokyo Wan, JPOperational

Location & Light Range

About Tomisaki Ko Lighthouse

This lighthouse features a red and white column structure with a white base. The mast stands 10 meters tall, with the light positioned at the same focal height. Its red light displays a fixed flashing characteristic. This navigation aid offers a geographic range of 3 nautical miles. It is located on the Honshu-South Coast-Tokyo Wan.

Light & Optic

Characteristic Signature
Fl R 6s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
6s
Raw Code
FFl
Focal Height
10m
Light Range
5NM (9.3 km)
Geographic Range
3NM

Location

City
Honshu-South Coast-Tokyo Wan
Country
🇯🇵JP
Latitude
34.9194°
Longitude
139.8236°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
mast
Tower Color
red

Structure: Red and white column, white base; 10

References & Identifiers

Admiralty No.
M6455
NGA No.
5000
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Frequently Asked Questions

How far offshore can Tomisaki Ko Lighthouse be seen?+
With a focal height of 10 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Tomisaki Ko is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Tomisaki Ko Lighthouse at night?+
Tomisaki Ko displays the characteristic Fl R 6s — 1 red flash every 6 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 Tomisaki Ko Lighthouse guide vessels into?+
Tomisaki Ko 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 Ko Lighthouse still active and maintained?+
Yes, Tomisaki Ko 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 Ko Lighthouse?+
Tomisaki Ko 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 Ko Lighthouse?+
You can track vessels near Tomisaki Ko 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.