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Naruto-tobishima Lighthouse

Fl W 3s🇯🇵Seto Naikai Eastern - Kii Suido, JPOperational

Location & Light Range

About Naruto-tobishima Lighthouse

This 36-meter fiberglass tower displays a white and red color scheme, featuring a red top and a red stripe along its square structure. It is operational and emits a single white flash every 3 seconds from a focal height of 32 meters. The lighthouse has a geographic range of 7 nautical miles. Its construction material is fiberglass.

Why it matters: The lighthouse is situated in the Kii Suido, a significant strait that links the Seto Inland Sea to the Pacific Ocean.

Light & Optic

Characteristic Signature
Fl W 3s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
3s
Raw Code
Fl.W. period 3s
Focal Height
32m
Light Range
7NM (13.0 km)
Geographic Range
7NM

Location

City
Seto Naikai Eastern - Kii Suido
Country
🇯🇵JP
Latitude
34.2319°
Longitude
134.6488°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
36m
Tower Shape
square
Tower Color
white and red
Material
fiberglass

Structure: White square tower, red top, red stripe; 36

References & Identifiers

Admiralty No.
M5551.75
NGA No.
7164
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Frequently Asked Questions

How far offshore can Naruto-tobishima Lighthouse be seen?+
With a focal height of 32 meters and a nominal range of 7 nautical miles (approximately 13.0 km), Naruto-tobishima 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 Naruto-tobishima Lighthouse at night?+
Naruto-tobishima displays the characteristic Fl W 3s — 1 white flash every 3 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 Naruto-tobishima Lighthouse guide vessels into?+
Naruto-tobishima Lighthouse assists vessels approaching 5 nearby ports. The closest is Naruto at 3 NM to the SSW. Other ports served include Awazu (5.4 NM SSW), Imagire (7.6 NM SSW), Orino (8.4 NM W), Kitanada (10.4 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Naruto-tobishima Lighthouse still active and maintained?+
Yes, Naruto-tobishima 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 Naruto-tobishima Lighthouse?+
Naruto-tobishima 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 Naruto-tobishima Lighthouse?+
You can track vessels near Naruto-tobishima 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.