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Yakuniyasaki Lighthouse

Fl (2) W 7s🇯🇵Nansei Shoto, JPOperational

Location & Light Range

About Yakuniyasaki Lighthouse

Yakuniyasaki Lighthouse is a green tower constructed of fiberglass. The structure stands on piles and is topped with a topmark. It emits two white flashes every 7 seconds. This lighthouse is situated in the Nansei Shoto region.

Light & Optic

Characteristic Signature
Fl (2) W 7s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
7s
Raw Code
Fl.(2)W. period 7s
Focal Height
71m
Light Range
12NM (22.2 km)
Geographic Range
12NM

Location

City
Nansei Shoto
Country
🇯🇵JP
Latitude
27.4038°
Longitude
128.5346°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Color
green
Material
fiberglass

Structure: PORT (IALA B) Green glass reinforced plastic(grp) fiberglass tower, topmark, on piles

References & Identifiers

Admiralty No.
M4765.2
NGA No.
13240
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Frequently Asked Questions

How far offshore can Yakuniyasaki Lighthouse be seen?+
With a focal height of 71 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Yakuniyasaki 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 Yakuniyasaki Lighthouse at night?+
Yakuniyasaki displays the characteristic Fl (2) W 7s — 2 white flashes every 7 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 Yakuniyasaki Lighthouse guide vessels into?+
Yakuniyasaki Lighthouse assists vessels approaching 5 nearby ports. The closest is China at 4.8 NM to the SSE. Other ports served include Inobe (5.7 NM E), Wadomari (6.8 NM E), Shikaura (26.8 NM NE), Omonawa (28 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Yakuniyasaki Lighthouse still active and maintained?+
Yes, Yakuniyasaki 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 Yakuniyasaki Lighthouse?+
You can track vessels near Yakuniyasaki 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.