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Chodayusho Lighthouse

Q W 3s🇯🇵Seto Naikai Eastern, JPOperational

Location & Light Range

About Chodayusho Lighthouse

This lighthouse features a 15-meter tall square latticed metal tower. It is situated in the Seto Naikai Eastern region. The light emits a quick white flash. The focal height of the light is 8 meters above sea level, and it has a geographic range of 3 nautical miles.

Light & Optic

Characteristic Signature
Q W 3s
Flash Type
Quick
Light Color
White
Flash Count
1 flash
Interval
3s
Raw Code
Q.W.
Focal Height
8m
Light Range
3NM (5.6 km)
Geographic Range
3NM

Location

City
Seto Naikai Eastern
Country
🇯🇵JP
Latitude
34.3730°
Longitude
133.1387°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
15m
Tower Shape
square
Tower Color
white
Material
metal

Structure: Square latticed tower; 15

References & Identifiers

Admiralty No.
M5720
NGA No.
8472
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Frequently Asked Questions

How far offshore can Chodayusho Lighthouse be seen?+
With a focal height of 8 meters and a nominal range of 3 nautical miles (approximately 5.6 km), Chodayusho 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 Chodayusho Lighthouse at night?+
Chodayusho displays the characteristic Q 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 Chodayusho Lighthouse guide vessels into?+
Chodayusho Lighthouse assists vessels approaching 5 nearby ports. The closest is Itozaki at 1.5 NM to the ENE. Other ports served include Nomi (1.5 NM ENE), Omi (1.5 NM ENE), Onomichi (1.5 NM ENE), Ozaki (1.5 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Chodayusho Lighthouse still active and maintained?+
Yes, Chodayusho 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 Chodayusho Lighthouse?+
Chodayusho 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 Chodayusho Lighthouse?+
You can track vessels near Chodayusho 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.