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Ube Kō South Harbor Range Rear Lighthouse

F Red 15s🇯🇵Ube, JPOperational

Location & Light Range

About Ube Kō South Harbor Range Rear Lighthouse

This white, cylindrical concrete tower stands 16 meters tall, with its light positioned at a focal height of 19 meters. The structure features two galleries and is topped by a triangular concrete daymark. Operational since an unrecorded date, it emits a continuous red light visible for 12.9 nautical miles. Situated beside a street within Ube Kō's south harbor area, it serves as the rear light for a navigational range system. The site is accessible to the public, though the tower itself cannot be entered.

Why it matters: As the rear light for a range system, this structure provides essential alignment for vessels entering Ube Kō South Harbor, ensuring safe passage into the port.

Light & Optic

Characteristic Signature
F Red 15s
Flash Type
Fixed
Light Color
Red
Interval
15s
Raw Code
F R
Focal Height
19m
Geographic Range
12.9NM

Location

City
Ube
Country
🇯🇵Japan
Region
Yamaguchi Prefecture
Sea Region
Located in the south harbor area of Ube Kō, Japan, beside a street, serving as the rear light for a range system that guides vessels into the harbor.
Latitude
33.9375°
Longitude
131.2554°

References & Identifiers

Nearest Port
Ube(2.3 km)
Admiralty No.
M5380.1
NGA No.
9660

Tower & Structure

Tower Height
16m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round concrete tower with two galleries topped by a triangular concrete daymark

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ube Kō South Harbor Range Rear Lighthouse at night?+
Ube Kō South Harbor Range Rear displays the characteristic F Red 15s. 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 Ube Kō South Harbor Range Rear Lighthouse guide vessels into?+
Ube Kō South Harbor Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Ube at 0.5 NM to the W. Other ports served include Onoda (4.9 NM WNW), Maruo (5.2 NM ENE), Asa (6.9 NM WNW), Aio (9.3 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ube Kō South Harbor Range Rear Lighthouse still active and maintained?+
Yes, Ube Kō South Harbor Range Rear 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 Ube Kō South Harbor Range Rear Lighthouse?+
Ube Kō South Harbor Range Rear 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 Ube Kō South Harbor Range Rear Lighthouse?+
You can track vessels near Ube Kō South Harbor Range Rear 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.