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Ushima Lighthouse

Fl (2) W 8s🇯🇵Honshu-South Coast, JPOperational

Location & Light Range

About Ushima Lighthouse

This green metal beacon stands 21 meters high on the Honshu-South Coast. The round structure is constructed from metal and emits a white light. It flashes once every 3 seconds, providing visibility within a geographic range of 5 nautical miles.

Light & Optic

Characteristic Signature
Fl (2) W 8s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
8s
Raw Code
Fl.W. period 3s
Focal Height
21m
Light Range
5NM (9.3 km)
Geographic Range
5NM

Location

City
Honshu-South Coast
Country
🇯🇵JP
Latitude
33.4496°
Longitude
135.8001°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
round
Tower Color
green
Material
metal

Structure: Green metal beacon

References & Identifiers

Admiralty No.
M5995.6
NGA No.
6772
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Frequently Asked Questions

How far offshore can Ushima Lighthouse be seen?+
With a focal height of 21 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Ushima 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 Ushima Lighthouse at night?+
Ushima displays the characteristic Fl (2) W 8s — 2 white flashes every 8 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 Ushima Lighthouse guide vessels into?+
Ushima Lighthouse assists vessels approaching 5 nearby ports. The closest is KUSHIMOTO at 1.2 NM to the NNW. Other ports served include Sue (1.6 NM ENE), Fukuro (2.2 NM NW), Katsuura, Wakayama (12.9 NM NE), Shingu (16.1 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ushima Lighthouse still active and maintained?+
Yes, Ushima 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 Ushima Lighthouse?+
Ushima 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 Ushima Lighthouse?+
You can track vessels near Ushima 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.