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Hamada Inner Breakwater Lighthouse

Fl Red 4s🇯🇵Hamada, JPOperational

Location & Light Range

About Hamada Inner Breakwater Lighthouse

Also known as: #Hamada Inner Breakwater

A cylindrical concrete tower, 9.5 meters tall, with a flared top and attached equipment shelter, stands at the north end of a detached inner breakwater in Hamada, Shimane Prefecture. This red light, positioned 14 meters above sea level, emits a single red flash every 4 seconds and has a geographic range of 11.6 nautical miles. The original structure was replaced in 2019. The site is open to the public, though the tower itself remains closed. The nearest port, Hamada, is 0.7 kilometers away.

Why it matters: This light delineates the northern boundary of a detached inner breakwater, guiding vessels into Hamada harbor.

Light & Optic

Characteristic Signature
Fl Red 4s
Flash Type
Flashing
Light Color
Red
Interval
4s
Raw Code
Fl R 4s
Focal Height
14m
Geographic Range
11.6NM

Construction & History

Significant events: Replaced in 2019

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
9.5m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower with a flared top, attached to a 1-story concrete equipment shelter

Location

City
Hamada
Country
🇯🇵Japan
Region
Shimane Prefecture
Sea Region
north end of a detached inner breakwater at Hamada
Latitude
34.8899°
Longitude
132.0616°

References & Identifiers

Nearest Port
Hamada(0.7 km)
Admiralty No.
M7349.2
NGA No.
1840
USCG No.
JCG-0793
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Frequently Asked Questions

How do mariners identify Hamada Inner Breakwater Lighthouse at night?+
Hamada Inner Breakwater displays the characteristic Fl Red 4s. 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 Hamada Inner Breakwater Lighthouse guide vessels into?+
Hamada Inner Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Hamada at 1 NM to the SSW. Other ports served include Yoshiura (5.6 NM SW), Misumi, Shimane (9.1 NM SW), Masuda, Shimane (16.8 NM SW), Yunotsu (18.5 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hamada Inner Breakwater Lighthouse still active and maintained?+
Yes, Hamada Inner 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 Hamada Inner Breakwater Lighthouse?+
Hamada Inner 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 Hamada Inner Breakwater Lighthouse?+
You can track vessels near Hamada Inner 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.