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Kunisaki Ko Lighthouse

Fl R 5s🇯🇵Seto Naikai Western, JPOperational

Location & Light Range

About Kunisaki Ko Lighthouse

The Kunisaki Ko lighthouse features a 13-meter tall square tower constructed of fiberglass. Its distinctive coloring includes white and red sections, with a red triangle serving as a daymark, pointing upwards from the center of the structure. This lighthouse emits a red light, characterized by a single red flash occurring every 3 seconds. The focal height of the light is also 13 meters, matching the tower's height.

Light & Optic

Characteristic Signature
Fl R 5s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
5s
Raw Code
Fl.R. period 3s
Focal Height
13m
Geographic Range
3NM

Location

City
Seto Naikai Western
Country
🇯🇵JP
Latitude
33.6886°
Longitude
131.6019°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
13m
Tower Shape
square
Tower Color
white and red
Material
fiberglass

Structure: Square latticed tower, red and white triangle, point up daymark, red triangle in center; 13

References & Identifiers

Admiralty No.
M4969
NGA No.
9688
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Frequently Asked Questions

How do mariners identify Kunisaki Ko Lighthouse at night?+
Kunisaki Ko displays the characteristic Fl R 5s — 1 red flash every 5 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 Kunisaki Ko Lighthouse guide vessels into?+
Kunisaki Ko Lighthouse assists vessels approaching 5 nearby ports. The closest is Imi at 0.1 NM to the WSW. Other ports served include Himeshima (2.9 NM NE), Kumage (2.9 NM ESE), Togi (7.7 NM SE), Kunisaki (10.2 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kunisaki Ko Lighthouse still active and maintained?+
Yes, Kunisaki 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 Kunisaki Ko Lighthouse?+
Kunisaki 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 Kunisaki Ko Lighthouse?+
You can track vessels near Kunisaki 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.