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Tomamae Kō Lighthouse

Fl Red 3s🇯🇵Tomamae, JPOperational

Location & Light Range

About Tomamae Kō Lighthouse

Also known as: Tomamae Kō (North Breakwater)

This cylindrical concrete tower, standing 11 meters tall, was built and first lit in 1933. Its lantern room and gallery are painted red, matching the tower's color. The lighthouse is situated at the end of Tomomae's main north breakwater in Hokkaido Prefecture. Its light emits a single red flash every three seconds, visible for 11 nautical miles. The breakwater was recently extended by about 30 meters, and the lighthouse was moved to the end of this new section.

Why it matters: The lighthouse's red flash warns mariners of the north breakwater's extension, ensuring safe passage into Tomamae harbor for fishing vessels and other maritime traffic.

Light & Optic

Characteristic Signature
Fl Red 3s
Flash Type
Flashing
Light Color
Red
Interval
3s
Raw Code
Fl R 3s
Focal Height
12m
Geographic Range
11NM

Construction & History

Year Built
1933

Significant events: The breakwater was recently extended about 30 m (100 ft) and the lighthouse was relocated to the end of the extension.

References & Identifiers

Nearest Port
Haboro(3.7 km)
Admiralty No.
M6954
NGA No.
1308

Tower & Structure

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

Structure: round cylindrical concrete tower with lantern and gallery

Location

City
Tomamae
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Located at the end of the north (main) breakwater of Tomomae.
Latitude
44.3199°
Longitude
141.6540°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Tomamae Kō Lighthouse at night?+
Tomamae 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 Tomamae Kō Lighthouse guide vessels into?+
Tomamae Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Tomamae at 0.2 NM to the SSW. Other ports served include Haboro (3.7 NM NNE), Yagishiri (12.1 NM NW), Nishiura (13.1 NM NW), Teuri (15.7 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tomamae Kō Lighthouse still active and maintained?+
Yes, Tomamae 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 Tomamae Kō Lighthouse?+
You can track vessels near Tomamae 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.