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Katsurakoi Kō Lighthouse

Fl Red 3s🇯🇵Kushiro, JPOperational

Location & Light Range

About Katsurakoi Kō Lighthouse

This red, cylindrical concrete tower, standing 11 meters tall, is located at the end of the east breakwater for Katsurakoi harbor. Its light is situated 13 meters above sea level, emitting a single red flash every 3 seconds. The structure features a lantern and gallery and has been an active aid to navigation. While the tower is closed to visitors, the site itself is accessible, offering views of the harbor and the Pacific Ocean.

Why it matters: The lighthouse's red flash clearly marks the end of the east breakwater, guiding vessels into Katsurakoi harbor.

Light & Optic

Characteristic Signature
Fl Red 3s
Flash Type
Flashing
Light Color
Red
Interval
3s
Raw Code
Fl R 3s
Focal Height
13m
Geographic Range
11.3NM

Location

City
Kushiro
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Located at the end of the east breakwater of Katsurakoi, a harbor approximately 8 km east of downtown Kushiro.
Latitude
42.9459°
Longitude
144.4477°

References & Identifiers

Nearest Port
Kushiro(5.6 km)
Admiralty No.
M6822
NGA No.
0512
ARLHS No.
JPN-893

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

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 Katsurakoi Kō Lighthouse at night?+
Katsurakoi Kō 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 Katsurakoi Kō Lighthouse guide vessels into?+
Katsurakoi Kō Lighthouse assists vessels approaching 4 nearby ports. The closest is Shiro at 4.2 NM to the WNW. Other ports served include Kushiro (4.6 NM WNW), Akkeshi (18.5 NM ENE), Kiritappu (30.9 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Katsurakoi Kō Lighthouse still active and maintained?+
Yes, Katsurakoi Kō 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.
How can I track vessels near Katsurakoi Kō Lighthouse?+
You can track vessels near Katsurakoi Kō 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.