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Yoshizu Lighthouse

Oc White 6s🇯🇵Minamiise, JPOperational

Location & Light Range

About Yoshizu Lighthouse

Also known as: Yoshizu (Yosizu)

Constructed in 1952, the Yoshizu lighthouse stands as a hexagonal white concrete tower with a gallery. It is situated on a wooded promontory at the western entrance to Yoshizu harbor. The lighthouse emits an occulting white light, with a 6-second cycle. With a focal height of 62 meters, its light has a geographic range of 20.4 nautical miles. The site is open to visitors, though the tower itself is closed.

Why it matters: This lighthouse is essential for safe navigation into Yoshizu harbor, alerting vessels to the promontory on the western approach. Its unique hexagonal shape provides a clear visual landmark during daylight.

Light & Optic

Characteristic Signature
Oc White 6s
Flash Type
Occulting
Light Color
White
Interval
6s
Raw Code
Oc W 6s
Focal Height
62m
Light Range
4NM (7.4 km)
Geographic Range
20.4NM

Construction & History

Year Built
1952

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
hexagonal
Tower Color
white
Material
concrete

Structure: hexagonal white concrete tower with gallery

Location

City
Minamiise
Country
🇯🇵Japan
Region
Mie Prefecture
Sea Region
Located on a wooded promontory on the west side of the harbor entrance at Yoshizu.
Latitude
34.2734°
Longitude
136.5060°

References & Identifiers

Nearest Port
Yoshizu(0.2 km)
ARLHS No.
JPN-763
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Frequently Asked Questions

How far offshore can Yoshizu Lighthouse be seen?+
With a focal height of 62 meters and a nominal range of 4 nautical miles (approximately 7.4 km), Yoshizu is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Yoshizu Lighthouse at night?+
Yoshizu displays the characteristic Oc White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Yoshizu Lighthouse guide vessels into?+
Yoshizu Lighthouse assists vessels approaching 5 nearby ports. The closest is Yoshizu at 0.2 NM to the NNE. Other ports served include Nishiki (6.6 NM WSW), Nagashima (9.2 NM WSW), Gokasho (10.4 NM ENE), Hamajima (12.5 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Yoshizu Lighthouse still active and maintained?+
Yes, Yoshizu 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 Yoshizu Lighthouse?+
Yoshizu 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 Yoshizu Lighthouse?+
You can track vessels near Yoshizu 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.