Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Sōma Kō North Breakwater Lighthouse

Fl (2) Red 6s🇯🇵Shinchi, JPOperational

Location & Light Range

About Sōma Kō North Breakwater Lighthouse

The Sōma Kō North Breakwater lighthouse marks the extremity of the north breakwater in Sōma harbor, Fukushima Prefecture. This concrete structure stands 8.5 meters tall, with its light positioned at 11 meters above sea level. It comprises a red concrete post integrated with a square, single-story concrete equipment building. The lighthouse emits a red light that flashes once every six seconds. Its geographic range extends to 10.7 nautical miles, offering a clear navigational signal to vessels approaching the port.

Why it matters: This lighthouse serves to guide vessels safely into Sōma harbor, warning them of the north breakwater's end and preventing collisions with the harbor's infrastructure.

Light & Optic

Characteristic Signature
Fl (2) Red 6s
Flash Type
Flashing
Light Color
Red
Flash Count
2 flashes
Interval
6s
Raw Code
Fl R 6s
Focal Height
11m
Geographic Range
10.7NM

Location

City
Shinchi
Country
🇯🇵Japan
Region
Fukushima Prefecture
Sea Region
Sōma harbor, marking the end of the north breakwater.
Latitude
37.8594°
Longitude
140.9677°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
8.5m
Tower Shape
square
Tower Color
red
Material
concrete

Structure: concrete post attached to a square 1-story concrete equipment building

References & Identifiers

Nearest Port
Souma(0.7 km)
Admiralty No.
M6517.46
NGA No.
4479
Live tracking · 50,000+ mariners

Find Sōma Kō North Breakwater Lighthouse on the live nautical map

Plan voyages near Japan, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Sōma Kō North Breakwater Lighthouse at night?+
Sōma Kō North Breakwater displays the characteristic Fl (2) Red 6s — 2 red flashes every 6 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. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Sōma Kō North Breakwater Lighthouse guide vessels into?+
Sōma Kō North Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Souma at 1.2 NM to the S. Other ports served include Soma (1.6 NM S), Haramachi (11.8 NM SSE), Sendaishiogama (25.1 NM N), Satoura (27.6 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sōma Kō North Breakwater Lighthouse still active and maintained?+
Yes, Sōma Kō North 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 North Breakwater Lighthouse?+
Sōma Kō North 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 North Breakwater Lighthouse?+
You can track vessels near Sōma Kō North 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.