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Kadoishi Lighthouse

Q W 15s🇯🇵Nagoya (Aichi Prefecture), JPOperational

Location & Light Range

About Kadoishi Lighthouse

Kadoishi Lighthouse is a square concrete tower painted yellow with a black horizontal band. Its focal plane is 13 meters above sea level. The light emits nine quick white flashes every 6 seconds. The tower stands 12 meters tall and features a double gallery with the light apparatus above a square steel equipment room. This Japanese lighthouse has a geographic range of 12 nautical miles.

Light & Optic

Characteristic Signature
Q W 15s
Flash Type
Quick
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Oc.W. period 6s
Focal Height
13m
Geographic Range
12NM

Location

City
Nagoya (Aichi Prefecture)
Country
🇯🇵JP
Latitude
34.7050°
Longitude
136.9885°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
square
Tower Color
yellow
Material
concrete

References & Identifiers

Admiralty No.
M6160
NGA No.
6012
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Frequently Asked Questions

How do mariners identify Kadoishi Lighthouse at night?+
Kadoishi displays the characteristic Q W 15s — 1 white flash every 15 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 Kadoishi Lighthouse guide vessels into?+
Kadoishi Lighthouse assists vessels approaching 5 nearby ports. The closest is Morozaki at 0.7 NM to the WSW. Other ports served include Toyohama, Aichi (2.6 NM W), Kowa (4.8 NM NW), Utsumi, Aichi (6.3 NM WNW), Yoshida, Aichi (6.6 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kadoishi Lighthouse still active and maintained?+
Yes, Kadoishi 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 Kadoishi Lighthouse?+
Kadoishi 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 Kadoishi Lighthouse?+
You can track vessels near Kadoishi 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.