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Takamatsu Tamamo Breakwater Lighthouse

Iso Red 6s🇯🇵Takamatsu, JPOperational

Location & Light Range

About Takamatsu Tamamo Breakwater Lighthouse

This steel lighthouse, built in 1998, stands 14 meters tall at the end of Takamatsu's 500-meter main breakwater. The octagonal cylindrical tower is covered in special glass tiles that are lit from within. This internal lighting synchronizes with the main red light, causing the entire tower to pulse with a 3-second on, 3-second off cycle. The lighthouse marks the west side of the entrance to Takamatsu harbor, with its light visible for 12.4 nautical miles. The site is open to the public, though the tower itself is closed.

Why it matters: This lighthouse delineates the west side of the entrance to Takamatsu harbor. Its structure incorporates illuminated glass tiles, creating a unique visual signal in sync with the main light.

Light & Optic

Characteristic Signature
Iso Red 6s
Flash Type
Isophase
Light Color
Red
Interval
6s
Raw Code
Iso R 6s
Focal Height
17m
Geographic Range
12.4NM

Construction & History

Year Built
1998

Significant events: station established 1964, lighthouse built 1998

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
14m
Tower Shape
cylindrical
Tower Color
red
Material
steel

Structure: octagonal cylindrical steel tower with lantern and gallery

Location

City
Takamatsu
Country
🇯🇵Japan
Region
Kagawa Prefecture
Sea Region
Located at the end of the 500 m main breakwater of Takamatsu, marking the west side of the entrance to the harbor.
Latitude
34.3614°
Longitude
134.0516°

References & Identifiers

Nearest Port
Takamatsu(0.3 km)
ARLHS No.
JPN-2477
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Frequently Asked Questions

How do mariners identify Takamatsu Tamamo Breakwater Lighthouse at night?+
Takamatsu Tamamo Breakwater displays the characteristic Iso 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 Takamatsu Tamamo Breakwater Lighthouse guide vessels into?+
Takamatsu Tamamo Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Takamatsu at 0.5 NM to the WNW. Other ports served include Naoshima (6.8 NM NNW), Ieura (7.9 NM N), Hibi (8.2 NM NW), Tamano (8.7 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Takamatsu Tamamo Breakwater Lighthouse still active and maintained?+
Yes, Takamatsu Tamamo 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 Takamatsu Tamamo Breakwater Lighthouse?+
Takamatsu Tamamo 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 Takamatsu Tamamo Breakwater Lighthouse?+
You can track vessels near Takamatsu Tamamo 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.