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Tosa-eboshisaki Lighthouse

Fl W 3s🇯🇵Shikoku-South coast, JPOperational

Location & Light Range

About Tosa-eboshisaki Lighthouse

Tosa-eboshisaki is a white cylindrical tower situated on the Shikoku South coast. The structure stands 33 meters tall, with its focal height reaching 67 meters above sea level. It emits a white light that flashes once every 3 seconds. This light has a geographic range of 5 nautical miles.

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
67m
Light Range
5NM (9.3 km)
Geographic Range
5NM

Location

City
Shikoku-South coast
Country
🇯🇵JP
Latitude
32.7544°
Longitude
132.5451°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
33m
Tower Shape
cylindrical
Tower Color
white

Structure: White tower; 33

References & Identifiers

Admiralty No.
M5610.12
NGA No.
10324
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Frequently Asked Questions

How far offshore can Tosa-eboshisaki Lighthouse be seen?+
With a focal height of 67 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Tosa-eboshisaki 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 Tosa-eboshisaki Lighthouse at night?+
Tosa-eboshisaki 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 Tosa-eboshisaki Lighthouse guide vessels into?+
Tosa-eboshisaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Issai at 5.2 NM to the ENE. Other ports served include Ozuku (11.6 NM NE), Fukaura, Ehime (11.7 NM NNE), Kozukushi (11.7 NM NE), Ikeshima (12.3 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tosa-eboshisaki Lighthouse still active and maintained?+
Yes, Tosa-eboshisaki 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 Tosa-eboshisaki Lighthouse?+
Tosa-eboshisaki 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 Tosa-eboshisaki Lighthouse?+
You can track vessels near Tosa-eboshisaki 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.