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Shimokareki Shima Lighthouse

Fl White 3s🇯🇵Hirado, JPOperational

Location & Light Range

About Shimokareki Shima Lighthouse

Also known as: Simo-Kareki

The Shimokareki Lighthouse, a concrete structure standing 16 meters tall, is located on Shimokareki Shima island in Nagasaki Prefecture. It features a square cylindrical tower topped with a lantern and gallery, painted white. The light emits one white flash every 3 seconds, with a focal height of 37 meters and a geographic range of 16.6 nautical miles. The lighthouse is situated near the Usunoura port, approximately 5.8 kilometers away. Its operational status confirms its continued role in maritime navigation.

Why it matters: This lighthouse offers critical guidance for vessels navigating the complex coastal waters around Shimokareki Shima and serves as a visual landmark for daytime navigation, supporting the safety of local fishing boats and other maritime traffic.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
37m
Geographic Range
16.6NM

Location

City
Hirado
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
Shimokareki (Simo-Kareki) Shima, an island in Japan
Latitude
33.2031°
Longitude
129.5036°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
16m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: square cylindrical concrete tower with lantern and gallery

References & Identifiers

Nearest Port
Usunoura(5.8 km)
Admiralty No.
M5241
NGA No.
11972
ARLHS No.
JPN-565
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Frequently Asked Questions

How do mariners identify Shimokareki Shima Lighthouse at night?+
Shimokareki Shima displays the characteristic Fl White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Shimokareki Shima Lighthouse guide vessels into?+
Shimokareki Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Tsuyoshi at 2.6 NM to the W. Other ports served include Shikamachi (5.9 NM NE), Ainoura/Sasebo (7.6 NM E), Kawachi, Nagasaki (7.6 NM N), Emukae (8.4 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Shimokareki Shima Lighthouse still active and maintained?+
Yes, Shimokareki 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 Shimokareki Shima Lighthouse?+
Shimokareki 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 Shimokareki Shima Lighthouse?+
You can track vessels near Shimokareki 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.