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Yonamasaki Lighthouse

Fl (2) W 10s🇯🇵Nansei Shoto, JPOperational

Location & Light Range

About Yonamasaki Lighthouse

Yonamasaki lighthouse is operational, situated in the Nansei Shoto region. It emits a white light. The focal height of the light is 54 meters above sea level.

Light & Optic

Characteristic Signature
Fl (2) W 10s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
10s
Focal Height
54m
Light Range
12NM (22.2 km)

Nearby Vessels

Flag
Type
Name
Dist.

Location

City
Nansei Shoto
Country
🇯🇵JP
Latitude
27.8926°
Longitude
128.9007°
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Frequently Asked Questions

How far offshore can Yonamasaki Lighthouse be seen?+
With a focal height of 54 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Yonamasaki is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Yonamasaki Lighthouse at night?+
Yonamasaki displays the characteristic Fl (2) W 10s — 2 white flashes every 10 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.
Which ports and harbors does Yonamasaki Lighthouse guide vessels into?+
Yonamasaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Hetono at 4.9 NM to the S. Other ports served include Boma (6.8 NM SE), Kametoku (11.4 NM SE), Shikaura (12.1 NM S), Omonawa (14 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Yonamasaki Lighthouse still active and maintained?+
Yes, Yonamasaki 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.
How can I track vessels near Yonamasaki Lighthouse?+
You can track vessels near Yonamasaki 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.