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Urakawa Kō North Breakwater Lighthouse

F Green 5s🇯🇵Hidaka, JPOperational

Location & Light Range

About Urakawa Kō North Breakwater Lighthouse

A white, cylindrical concrete lighthouse marks the end of the inner north breakwater at Urakawa Port. Built in 1962, this 9.45-meter structure features a square concrete equipment shelter at its base. It emits a single green flash every 5 seconds, visible for nearly 11 nautical miles. The lighthouse stands 11 meters above sea level, guiding vessels into Hidaka city's harbor. The site is accessible to the public, though the tower itself remains closed.

Why it matters: This lighthouse is indispensable for the safe navigation of vessels into Urakawa Port, specifically delineating the inner north breakwater and supporting local maritime traffic.

Light & Optic

Characteristic Signature
F Green 5s
Flash Type
Fixed
Light Color
Green
Interval
5s
Raw Code
F.Fl G 5s
Focal Height
11m
Geographic Range
10.7NM

Construction & History

Year Built
1962

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
9.4488m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: A 9.45m cylindrical concrete post, painted white, is attached to a square 1-story concrete equipment shelter.

Location

City
Hidaka
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Urakawa Port, at the end of the inner north breakwater
Latitude
42.4329°
Longitude
142.2020°

References & Identifiers

Nearest Port
Tomakomai(28.0 km)
ARLHS No.
JPN-1005
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Frequently Asked Questions

How do mariners identify Urakawa Kō North Breakwater Lighthouse at night?+
Urakawa Kō North Breakwater displays the characteristic F Green 5s. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Urakawa Kō North Breakwater Lighthouse guide vessels into?+
Urakawa Kō North Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Niikappu at 6.5 NM to the SE. Other ports served include Tomakomai (27.9 NM WNW), Urakawa (29.9 NM ESE), Samani (36.7 NM ESE), Shiraoi (39.5 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Urakawa Kō North Breakwater Lighthouse still active and maintained?+
Yes, Urakawa 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.
How can I track vessels near Urakawa Kō North Breakwater Lighthouse?+
You can track vessels near Urakawa 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.