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Sugashima Ko Lighthouse

Fl (2) G 6s🇯🇵Honshu-South Coast, JPOperational

Location & Light Range

About Sugashima Ko Lighthouse

Sugashima Ko is a 31-meter-tall metal tower with a square base, painted white. The light emits two green flashes every 6 seconds. Its focal height above sea level is 13 meters. The lighthouse has a geographic range of 3 nautical miles.

Light & Optic

Characteristic Signature
Fl (2) G 6s
Flash Type
Flashing
Light Color
Green
Flash Count
2 flashes
Interval
6s
Raw Code
Fl.(2)G. period 6s
Focal Height
13m
Geographic Range
3NM

Location

City
Honshu-South Coast
Country
🇯🇵JP
Latitude
34.5023°
Longitude
136.9002°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
31m
Tower Shape
square
Tower Color
white
Material
metal

Structure: White tower; 31

References & Identifiers

Admiralty No.
M6048.5
NGA No.
6320
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Frequently Asked Questions

How do mariners identify Sugashima Ko Lighthouse at night?+
Sugashima Ko displays the characteristic Fl (2) G 6s — 2 green flashes every 6 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 Sugashima Ko Lighthouse guide vessels into?+
Sugashima Ko Lighthouse assists vessels approaching 5 nearby ports. The closest is Suga at 0.2 NM to the SSW. Other ports served include Toba (2.9 NM WSW), Matoya (8.3 NM S), Toyohama, Aichi (12.3 NM N), Morozaki (12.5 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sugashima Ko Lighthouse still active and maintained?+
Yes, Sugashima 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 Sugashima Ko Lighthouse?+
Sugashima 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 Sugashima Ko Lighthouse?+
You can track vessels near Sugashima 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.