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Uchiumi Kō West Breakwater Lighthouse

Fl 12s🇯🇵Miyazaki, JPOperational

Location & Light Range

About Uchiumi Kō West Breakwater Lighthouse

Also known as: Uchiumi Kō West Breakwater (?)

Erected in 1926, this lighthouse marks the extremity of the main breakwater for Uchiumi, a small harbor 0.1 km from the lighthouse. The lighthouse consists of a square concrete tower, 7.5 meters in height, adjoined to a 1-story concrete equipment building. It displayed a light characteristic of three white flashes (Fl.(3)W). The focal plane was at 50 meters, with a visibility range of 18.7 nautical miles. Service for this lighthouse ended in 2016, and it may have been dismantled. The location is accessible, but the tower is not open for entry.

Why it matters: The lighthouse served as a navigation aid for ships approaching and leaving the port of Uchiumi. Its presence connected visitors to the area's maritime background.

Light & Optic

Characteristic Signature
Fl 12s
Flash Type
Flashing
Interval
12s
Raw Code
Fl.(3)W
Focal Height
50m
Geographic Range
18.7NM

Construction & History

Year Built
1926

Significant events: Inactive since 2016, possibly removed

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
7.5m
Tower Shape
square
Tower Color
white
Material
concrete

Structure: square concrete tower attached to a 1-story concrete equipment room

Location

City
Miyazaki
Country
🇯🇵Japan
Region
Miyazaki Prefecture
Sea Region
Located at the end of the main breakwater of Uchiumi, a small port about 4 km south of Tosaki Hana.
Latitude
31.7555°
Longitude
131.4747°

References & Identifiers

Nearest Port
Uchiumi(0.1 km)
Admiralty No.
M4883
NGA No.
10780
USCG No.
JCG-6735
ARLHS No.
JPN-260
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Frequently Asked Questions

How do mariners identify Uchiumi Kō West Breakwater Lighthouse at night?+
Uchiumi Kō West Breakwater displays the characteristic Fl 12s. 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 Uchiumi Kō West Breakwater Lighthouse guide vessels into?+
Uchiumi Kō West Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Uchiumi at 0 NM to the NW. Other ports served include Aoshima (2.6 NM N), Miyazaki, Miyazaki (9.4 NM N), Aburatsu (11.3 NM SSW), Meitsu (13.6 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Uchiumi Kō West Breakwater Lighthouse still active and maintained?+
Yes, Uchiumi Kō West Breakwater 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 Uchiumi Kō West Breakwater Lighthouse?+
Uchiumi Kō West Breakwater 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 Uchiumi Kō West Breakwater Lighthouse?+
You can track vessels near Uchiumi Kō West Breakwater 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.