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Hamada North Detached Breakwater Lighthouse

Fl (2) Green 6s🇯🇵Hamada, JPOperational

Location & Light Range

About Hamada North Detached Breakwater Lighthouse

A round cylindrical concrete tower painted white marks the northwest side of Hamada harbor, indicating the west end of a detached breakwater. Completed in 1993, the 9.5-meter structure rises to a focal height of 14 meters. It emits a green flash every 6 seconds, visible for 11.6 nautical miles. The tower features a flared top and is connected to a single-story concrete equipment shelter. While the site is accessible to boats, the tower itself is closed to the public.

Why it matters: This light is indispensable for safe navigation within Hamada harbor, specifically marking the critical western end of the detached breakwater.

Light & Optic

Characteristic Signature
Fl (2) Green 6s
Flash Type
Flashing
Light Color
Green
Flash Count
2 flashes
Interval
6s
Raw Code
Fl G 6s
Focal Height
14m
Geographic Range
11.6NM

Construction & History

Year Built
1993

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
white
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
Hamada harbor, marking the west end of a detached breakwater on its northwest side.
Latitude
34.8946°
Longitude
132.0559°

References & Identifiers

Nearest Port
Hamada(0.6 km)
Admiralty No.
M7349.15
NGA No.
1832
ARLHS No.
JPN-1551
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Frequently Asked Questions

How do mariners identify Hamada North Detached Breakwater Lighthouse at night?+
Hamada North Detached Breakwater displays the characteristic Fl (2) Green 6s — 2 green flashes every 6 seconds. 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 Hamada North Detached Breakwater Lighthouse guide vessels into?+
Hamada North Detached Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Hamada at 1.2 NM to the SSW. Other ports served include Yoshiura (5.6 NM SW), Misumi, Shimane (9.1 NM SW), Masuda, Shimane (16.9 NM SW), Yunotsu (18.5 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hamada North Detached Breakwater Lighthouse still active and maintained?+
Yes, Hamada North Detached 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 North Detached Breakwater Lighthouse?+
Hamada North Detached 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 North Detached Breakwater Lighthouse?+
You can track vessels near Hamada North Detached 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.