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Sōma Kō Detached Breakwater Lighthouse

Fl Red 3s🇯🇵Soma, JPOperational

Location & Light Range

About Sōma Kō Detached Breakwater Lighthouse

Also known as: East

This breakwater light, built in 2018, marks the eastern detached breakwater of Sōma Port. It stands 14 meters above sea level and emits a red flash every 3 seconds, visible for 11.6 nautical miles. The structure is part of ongoing efforts to enhance maritime safety in Fukushima Prefecture. Access to the site is permitted, though the tower itself remains closed to the public. It guides vessels navigating the entrance to the port, which is located 0.2 kilometers away.

Why it matters: This light clearly delineates the harbor entrance on the detached east breakwater, preventing groundings or collisions with the protective structure.

Light & Optic

Characteristic Signature
Fl Red 3s
Flash Type
Flashing
Light Color
Red
Interval
3s
Raw Code
Fl R 3s
Focal Height
14m
Geographic Range
11.6NM

Construction & History

Year Built
2018

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Structure: A breakwater light structure with a focal plane of 14m.

Location

City
Soma
Country
🇯🇵Japan
Region
Fukushima Prefecture
Sea Region
Sōma Port, Japan, marking the Detached (East) Breakwater.
Latitude
37.8440°
Longitude
140.9731°

References & Identifiers

Nearest Port
Souma(0.2 km)
Admiralty No.
M6517.45
NGA No.
4484
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Frequently Asked Questions

How do mariners identify Sōma Kō Detached Breakwater Lighthouse at night?+
Sōma Kō Detached Breakwater displays the characteristic Fl Red 3s. 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 Sōma Kō Detached Breakwater Lighthouse guide vessels into?+
Sōma Kō Detached Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Souma at 0.4 NM to the SW. Other ports served include Soma (0.8 NM SW), Haramachi (10.9 NM SSE), Sendaishiogama (26 NM N), Satoura (28.5 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sōma Kō Detached Breakwater Lighthouse still active and maintained?+
Yes, Sōma Kō Detached 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 Sōma Kō Detached Breakwater Lighthouse?+
Sōma Kō Detached 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 Sōma Kō Detached Breakwater Lighthouse?+
You can track vessels near Sōma Kō Detached 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.