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Fuke Ko Lighthouse

Iso G 4s🇯🇵Seto Naikai Eastern, JPOperational

The Fuke Ko lighthouse is an active aid to navigation situated in Seto Naikai Eastern. It stands 13 meters above the water. The lighthouse emits a green light that follows an isophase pattern, with one flash occurring every 4 seconds. Its geographic range extends for 5 nautical miles.

Characteristic Signature
Iso G 4s
Flash Type
Isophase
Light Color
Green
Flash Count
1 flash
Interval
4s
Raw Code
Iso.G. period 4s
Focal Height
13m
Light Range
5NM (9.3 km)
Geographic Range
5NM
Admiralty No.
M5958.2
NGA No.
7224
City
Seto Naikai Eastern
Country
🇯🇵JP
Latitude
34.3210°
Longitude
135.1422°
Flag
Type
Name
Dist.
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How far offshore can Fuke Ko Lighthouse be seen?+
With a focal height of 13 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Fuke Ko 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 Fuke Ko Lighthouse at night?+
Fuke Ko displays the characteristic Iso G 4s — 1 green flash every 4 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. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Fuke Ko Lighthouse guide vessels into?+
Fuke Ko Lighthouse assists vessels approaching 5 nearby ports. The closest is Fuke at 0.4 NM to the W. Other ports served include Tannowa (2.4 NM ENE), Kainan (7.3 NM S), Wakayama (7.3 NM S), Sensyu (8.6 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Fuke Ko Lighthouse still active and maintained?+
Yes, Fuke Ko 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 Fuke Ko Lighthouse?+
Fuke Ko 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 Fuke Ko Lighthouse?+
You can track vessels near Fuke Ko 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.