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Uchinoura Ko Lighthouse

Fl G 3s🇯🇵Kyushu-East Coast, JPOperational

This white, latticed tower stands 52 meters tall. Its green light emits a single flash every 3 seconds. The operational light is visible across a 60-degree arc, from 265 to 205 degrees. The structure's focal plane is 14 meters above sea level.

Characteristic Signature
Fl G 3s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
3s
Raw Code
Fl.G. period 3s
Focal Height
14m
Light Range
5NM (9.3 km)
Geographic Range
5NM
City
Kyushu-East Coast
Country
🇯🇵JP
Latitude
31.2789°
Longitude
131.0827°
Flag
Type
Name
Dist.
Tower Height
52m
Tower Shape
latticed
Tower Color
white

Structure: White latticed tower; 52. Visible 265°-205°

Admiralty No.
M4840
NGA No.
10900
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How far offshore can Uchinoura Ko Lighthouse be seen?+
With a focal height of 14 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Uchinoura 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 Uchinoura Ko Lighthouse at night?+
Uchinoura Ko displays the characteristic Fl G 3s — 1 green flash every 3 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Uchinoura Ko Lighthouse guide vessels into?+
Uchinoura Ko Lighthouse assists vessels approaching 5 nearby ports. The closest is Uchinoura at 0.4 NM to the NNW. Other ports served include Kishira (4.9 NM SW), Hami (5.8 NM NNW), Shibushi (11.4 NM N), Kuroi (12.6 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Uchinoura Ko Lighthouse still active and maintained?+
Yes, Uchinoura 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 Uchinoura Ko Lighthouse?+
Uchinoura 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 Uchinoura Ko Lighthouse?+
You can track vessels near Uchinoura 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.