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Kuji North Breakwater Lighthouse

FFl Red 6s🇯🇵Kuji, JPOperational

Location & Light Range

About Kuji North Breakwater Lighthouse

A 10-meter red concrete post forms this lighthouse, which stands at the end of the north breakwater in Kuji harbor. It is attached to a square, single-story equipment room. The structure has a focal height of 15 meters and emits a red light, flashing a single red flash every 6 seconds. With a geographic range of 11.9 nautical miles, it guides vessels into and out of the port. The site is open to the public, though the tower itself is closed.

Why it matters: This lighthouse clearly marks the end of the north breakwater, essential for preventing vessels from striking the structure or entering hazardous areas of Kuji harbor.

Light & Optic

Characteristic Signature
FFl Red 6s
Flash Type
Fixed and Flashing
Light Color
Red
Interval
6s
Raw Code
FFl R 6s
Focal Height
15m
Geographic Range
11.9NM

Location

City
Kuji
Country
🇯🇵Japan
Region
Iwate Prefecture
Sea Region
Kuji harbor, at the end of its north breakwater.
Latitude
40.1888°
Longitude
141.7990°

References & Identifiers

Nearest Port
Kuji(0.9 km)
Admiralty No.
M6610
ARLHS No.
JPN-1136

Tower & Structure

Tower Height
10m
Tower Color
red
Material
concrete

Structure: A 10m red concrete post attached to a square 1-story equipment room.

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 Kuji North Breakwater Lighthouse at night?+
Kuji North Breakwater displays the characteristic FFl Red 6s. 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 Kuji North Breakwater Lighthouse guide vessels into?+
Kuji North Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Kuji, Iwate at 0.6 NM to the NNE. Other ports served include NODA (4.7 NM SSE), Kofu (16.9 NM NNW), Sakaki (17.4 NM NNW), Omoto (21.9 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kuji North Breakwater Lighthouse still active and maintained?+
Yes, Kuji 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 Kuji North Breakwater Lighthouse?+
Kuji 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 Kuji North Breakwater Lighthouse?+
You can track vessels near Kuji 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.