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Goshiki Shima Lighthouse

Fl Green 3s🇯🇵Amakusa, JPOperational

Location & Light Range

About Goshiki Shima Lighthouse

A cylindrical concrete tower, painted green, stands 7 meters tall and was first lit in 1963. It is situated on a concrete pier at the northeastern edge of a shoal, marking the western side of a narrow passage between Kami Shima and Shimo Shima islands. The lighthouse emits a green light with a characteristic of one flash every three seconds. Its focal height is 8.5 meters, providing a geographic range of 9.9 nautical miles. The site is accessible, but the tower itself is closed to the public. It is located near Amakusa in Kumamoto Prefecture.

Why it matters: This lighthouse is essential for warning vessels of a shoal at the entrance to the passage between Kami Shima and Shimo Shima islands, helping to prevent groundings in this island-rich area.

Light & Optic

Characteristic Signature
Fl Green 3s
Flash Type
Flashing
Light Color
Green
Interval
3s
Raw Code
Fl G 3s
Focal Height
8.5m
Geographic Range
9.9NM

Construction & History

Year Built
1963

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
7m
Tower Shape
cylindrical
Tower Color
green
Material
concrete

Structure: round concrete tower mounted on a concrete pier

Location

City
Amakusa
Country
🇯🇵Japan
Region
Kumamoto Prefecture
Sea Region
Located at the northeastern end of a shoal on the west side of the entrance to the narrow passage between the islands of Kami Shima and Shimo Shima.
Latitude
32.4176°
Longitude
130.2162°

References & Identifiers

Nearest Port
Omon(0.7 km)
Admiralty No.
M5153
NGA No.
11496
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Frequently Asked Questions

How do mariners identify Goshiki Shima Lighthouse at night?+
Goshiki Shima displays the characteristic Fl Green 3s. 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 Goshiki Shima Lighthouse guide vessels into?+
Goshiki Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Amatsuke at 2.2 NM to the S. Other ports served include Hondo (2.3 NM NNW), Mogine (3.5 NM N), Shimotsuura (5.5 NM NE), Tanasoko (6.4 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Goshiki Shima Lighthouse still active and maintained?+
Yes, Goshiki Shima 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 Goshiki Shima Lighthouse?+
Goshiki Shima 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 Goshiki Shima Lighthouse?+
You can track vessels near Goshiki Shima 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.