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Nakanoshima Lighthouse

Fl (3) W 18s🇯🇵Nansei Shoto, JPOperational

Location & Light Range

About Nakanoshima Lighthouse

This concrete lighthouse, standing 64 meters tall, displays red and green colors. Its light characteristic is two white flashes every 18 seconds. The structure is designed as a preferred channel port, marked by a red dolphin, green bands, and a red base. Its focal height is 64 meters above sea level.

Why it matters: The lighthouse provides a geographic range of 12 nautical miles.

Light & Optic

Characteristic Signature
Fl (3) W 18s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
18s
Raw Code
Fl.(2)W. period 18s
Focal Height
64m
Light Range
12NM (22.2 km)
Geographic Range
12NM

Location

City
Nansei Shoto
Country
🇯🇵JP
Latitude
29.8223°
Longitude
129.9164°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Color
red and green
Material
concrete

Structure: PREFERRED CHANNEL PORT (IALA B) Red dolphin, green banded, red base

References & Identifiers

Admiralty No.
M4783
NGA No.
13096
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Frequently Asked Questions

How far offshore can Nakanoshima Lighthouse be seen?+
With a focal height of 64 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Nakanoshima 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 Nakanoshima Lighthouse at night?+
Nakanoshima displays the characteristic Fl (3) W 18s — 3 white flashes every 18 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 Nakanoshima Lighthouse guide vessels into?+
Nakanoshima Lighthouse assists vessels approaching 5 nearby ports. The closest is Nanatsuyama at 1.7 NM to the NW. Other ports served include Kiriishi (16.5 NM SW), Higashinohama (21.2 NM WSW), Haenohama (21.8 NM WSW), Enohama (21.9 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nakanoshima Lighthouse still active and maintained?+
Yes, Nakanoshima 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 Nakanoshima Lighthouse?+
You can track vessels near Nakanoshima 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.