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Kohirasehana Lighthouse

Fl (3) W 13s🇯🇵Kyushu-West Coast, JPOperational

Location & Light Range

About Kohirasehana Lighthouse

Kohirasehana Lighthouse is situated along the Kyushu-West Coast. Its focal height reaches 21 meters above sea level. The light apparatus emits three white flashes, repeating in a 13-second cycle. This structure provides a geographic range of 5 nautical miles.

Light & Optic

Characteristic Signature
Fl (3) W 13s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
13s
Raw Code
Fl.(3)W. period 13s
Focal Height
21m
Light Range
5NM (9.3 km)
Geographic Range
5NM

References & Identifiers

Admiralty No.
M5100
NGA No.
11172

Location

City
Kyushu-West Coast
Country
🇯🇵JP
Latitude
32.0810°
Longitude
130.1712°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Kohirasehana Lighthouse be seen?+
With a focal height of 21 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Kohirasehana 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 Kohirasehana Lighthouse at night?+
Kohirasehana displays the characteristic Fl (3) W 13s — 3 white flashes every 13 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.
Which ports and harbors does Kohirasehana Lighthouse guide vessels into?+
Kohirasehana Lighthouse assists vessels approaching 5 nearby ports. The closest is Kuronohama at 0.7 NM to the N. Other ports served include Wakimoto (0.9 NM E), Kosuki (2.9 NM NE), Osuki (2.9 NM NE), Akune (3.9 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kohirasehana Lighthouse still active and maintained?+
Yes, Kohirasehana 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 Kohirasehana Lighthouse?+
Kohirasehana 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 Kohirasehana Lighthouse?+
You can track vessels near Kohirasehana 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.