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Shimabara Kō Lighthouse

Fl W 4s🇯🇵Nagasaki Area, JPOperational

Location & Light Range

About Shimabara Kō Lighthouse

Also known as: Shimabara Light House

This lighthouse features a white, square metal tower standing 43 meters tall. Its light produces a single white flash every 4 seconds. The structure has a focal height of 19 meters above sea level. It is operated by the Japanese coast guard and serves as a navigational aid within the Nagasaki Area.

Light & Optic

Characteristic Signature
Fl W 4s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
Fl.W. period 4s
Focal Height
19m
Geographic Range
5NM

Location

City
Nagasaki Area
Country
🇯🇵JP
Latitude
32.7796°
Longitude
130.3824°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
43m
Tower Shape
square
Tower Color
white
Material
metal

Structure: White square metal tower; 43

References & Identifiers

Admiralty No.
M5180
NGA No.
11572
OpenStreetMap
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Frequently Asked Questions

How do mariners identify Shimabara Kō Lighthouse at night?+
Shimabara Kō displays the characteristic Fl W 4s — 1 white 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.
Which ports and harbors does Shimabara Kō Lighthouse guide vessels into?+
Shimabara Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Shimabara at 2.1 NM to the NNW. Other ports served include Taira (6.8 NM NW), Nagasu, Kumamoto (9.2 NM NNE), Eishi (9.3 NM ENE), Kumamoto (11.1 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Shimabara Kō Lighthouse still active and maintained?+
Yes, Shimabara Kō 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 Shimabara Kō Lighthouse?+
Shimabara Kō 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 Shimabara Kō Lighthouse?+
You can track vessels near Shimabara Kō 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.