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Setouchi City Lighthouses Lighthouse

Fl W 3s🇯🇵Okayama and Hiroshima, JPOperational

Location & Light Range

About Setouchi City Lighthouses Lighthouse

This green, cylindrical concrete tower stands 26 meters tall and was built in 1950. It displays a single short and single long green flash every 8 seconds. The lighthouse, located on the seaward side of a reef approximately 4 kilometers northeast of Ushimado, is accessible only by boat. The structure, including the tower and its topmark, is painted entirely green. Its focal plane is at 13 meters above sea level.

Light & Optic

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

Construction & History

Year Built
1950

References & Identifiers

Admiralty No.
M5752.4
NGA No.
7840

Tower & Structure

Tower Height
26m
Tower Shape
cylindrical
Tower Color
green
Material
concrete

Structure: PORT (IALA B) Green tower, topmark; 26

Location

City
Okayama and Hiroshima
Country
🇯🇵JP
Latitude
34.6138°
Longitude
134.1738°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Setouchi City Lighthouses Lighthouse at night?+
Setouchi City Lighthouses displays the characteristic Fl W 3s — 1 white 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.
Which ports and harbors does Setouchi City Lighthouses Lighthouse guide vessels into?+
Setouchi City Lighthouses Lighthouse assists vessels approaching 5 nearby ports. The closest is Ushimado at 0.9 NM to the W. Other ports served include Kugui (6.4 NM N), Bizen (7.2 NM N), Katakami (7.3 NM N), Tonosho (7.8 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Setouchi City Lighthouses Lighthouse still active and maintained?+
Yes, Setouchi City Lighthouses 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 Setouchi City Lighthouses Lighthouse?+
Setouchi City Lighthouses 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 Setouchi City Lighthouses Lighthouse?+
You can track vessels near Setouchi City Lighthouses 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.