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Kurushima-sunosaki Lighthouse

Fl (2) Alt 6s🇯🇵Seto Naikai Western, JPOperational

Location & Light Range

About Kurushima-sunosaki Lighthouse

This cylindrical concrete lighthouse stands 11 meters tall and is painted white. Its focal height reaches 64 meters above sea level. The light characteristic is a single white flash that repeats every 3 seconds. The lighthouse is operational and located in Seto Naikai Western.

Light & Optic

Characteristic Signature
Fl (2) Alt 6s
Flash Type
Flashing
Light Color
Alt
Flash Count
2 flashes
Interval
6s
Raw Code
Fl.W. period 3s
Focal Height
64m
Light Range
7NM (13.0 km)
Geographic Range
7NM

Location

City
Seto Naikai Western
Country
🇯🇵JP
Latitude
34.1209°
Longitude
132.9924°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: Cylindrical tower; 11. Seasonal

References & Identifiers

Admiralty No.
M5459.7
NGA No.
8736
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Frequently Asked Questions

How far offshore can Kurushima-sunosaki Lighthouse be seen?+
With a focal height of 64 meters and a nominal range of 7 nautical miles (approximately 13.0 km), Kurushima-sunosaki 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 Kurushima-sunosaki Lighthouse at night?+
Kurushima-sunosaki displays the characteristic Fl (2) Alt 6s — 2 alt 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 alt color may indicate a specific sector or warning zone.
Which ports and harbors does Kurushima-sunosaki Lighthouse guide vessels into?+
Kurushima-sunosaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Hashihama at 1.2 NM to the WSW. Other ports served include Namikata (1.9 NM W), Yoshiumi (3.2 NM NE), Imabari (3.7 NM SSE), Okamura (6.4 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kurushima-sunosaki Lighthouse still active and maintained?+
Yes, Kurushima-sunosaki 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 Kurushima-sunosaki Lighthouse?+
Kurushima-sunosaki 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 Kurushima-sunosaki Lighthouse?+
You can track vessels near Kurushima-sunosaki 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.