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Kashiwashima Lighthouse

Fl (2) W 10s🇯🇵Shikoku-South coast, JPOperational

Location & Light Range

About Kashiwashima Lighthouse

The Kashiwashima Lighthouse is a concrete structure with a round white tower on Shikoku's south coast. It emits two white flashes every 10 seconds. The light is positioned at a focal height of 157 meters and has a geographic range of 7 nautical miles. This lighthouse is operational.

Light & Optic

Characteristic Signature
Fl (2) W 10s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
10s
Raw Code
Fl.(2)W. period 10s
Focal Height
157m
Light Range
7NM (13.0 km)
Geographic Range
7NM

Location

City
Shikoku-South coast
Country
🇯🇵JP
Latitude
32.7674°
Longitude
132.6205°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
round
Tower Color
white
Material
concrete

Structure: Pipe swing pole. LOCKEPORT HARBOR:

References & Identifiers

Admiralty No.
M5609.5
NGA No.
10336
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Frequently Asked Questions

How far offshore can Kashiwashima Lighthouse be seen?+
With a focal height of 157 meters and a nominal range of 7 nautical miles (approximately 13.0 km), Kashiwashima 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 Kashiwashima Lighthouse at night?+
Kashiwashima 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 Kashiwashima Lighthouse guide vessels into?+
Kashiwashima Lighthouse assists vessels approaching 5 nearby ports. The closest is Issai at 1.5 NM to the NE. Other ports served include Kozukushi (8.5 NM NE), Ozuku (8.5 NM NE), Ikeshima (9.8 NM NNE), Sukumowan (10.2 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kashiwashima Lighthouse still active and maintained?+
Yes, Kashiwashima 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 Kashiwashima Lighthouse?+
Kashiwashima 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 Kashiwashima Lighthouse?+
You can track vessels near Kashiwashima 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.