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Yasugi Kō South Breakwater Lighthouse

F Red 5s🇯🇵Yasugi, JPOperational

Location & Light Range

About Yasugi Kō South Breakwater Lighthouse

This red, cylindrical concrete tower stands 8.5 meters tall, with its light positioned 9 meters above sea level. Established and first lit in 1962, it guides vessels into the inner harbor of Yasugi. The lighthouse is situated on a short breakwater at the entrance to the traditional port. Its light emits a single red flash every 5 seconds, visible for 10 nautical miles. The structure itself is described as a round, hourglass-shaped concrete tower. While the site is open, the tower is closed to the public.

Why it matters: This lighthouse marks the end of the south breakwater, ensuring safe passage for boats entering Yasugi's traditional inner harbor. Its unique hourglass shape also provides a distinctive architectural feature to the harbor.

Light & Optic

Characteristic Signature
F Red 5s
Flash Type
Fixed
Light Color
Red
Interval
5s
Raw Code
F.LFl R 5s
Focal Height
9m
Geographic Range
10NM

Construction & History

Year Built
1962

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
8.5m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round hourglass-shaped concrete tower

Location

City
Yasugi
Country
🇯🇵Japan
Region
Shimane Prefecture
Sea Region
Located on a short breakwater at the entrance to the traditional inner harbor of Yasugi.
Latitude
35.4331°
Longitude
133.2561°

References & Identifiers

Nearest Port
Yasugi(0.4 km)
ARLHS No.
JPN-1600
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Frequently Asked Questions

How do mariners identify Yasugi Kō South Breakwater Lighthouse at night?+
Yasugi Kō South Breakwater displays the characteristic F Red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Yasugi Kō South Breakwater Lighthouse guide vessels into?+
Yasugi Kō South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is YONAGO at 2.9 NM to the E. Other ports served include Sakaiminato (5.4 NM N), Nagahama, Shimane (7.5 NM N), Kaizaki (7.8 NM NNE), Matsue (7.8 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Yasugi Kō South Breakwater Lighthouse still active and maintained?+
Yes, Yasugi Kō South 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 Yasugi Kō South Breakwater Lighthouse?+
Yasugi Kō South 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 Yasugi Kō South Breakwater Lighthouse?+
You can track vessels near Yasugi Kō South 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.