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Kuromo Se Lighthouse

Fl White 3s🇯🇵Sasebo, JPOperational

Location & Light Range

About Kuromo Se Lighthouse

Also known as: Kurobo

This cylindrical concrete tower, standing 7.5 meters tall, is centered on a single-story equipment shelter. The lighthouse's focal plane reaches 21 meters above sea level. It emits a single white flash every three seconds, visible for 13.4 nautical miles. Operational since its construction, this navigation aid is located in Sasebo within the Nagasaki Prefecture.

Why it matters: The lighthouse clearly marks the Kuromo (Kurobo) Se reef, providing a critical warning to vessels traversing these Japanese coastal waters and helping to prevent groundings.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
21m
Geographic Range
13.4NM

Location

City
Sasebo
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
Kuromo (Kurobo) Se
Latitude
33.2416°
Longitude
129.1855°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
7.5m
Tower Shape
cylindrical
Material
concrete

Structure: round concrete tower centered on a 1-story concrete equipment shelter

References & Identifiers

Nearest Port
Ojika(7.2 km)
Admiralty No.
M5016
ARLHS No.
JPN-2214
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Frequently Asked Questions

How do mariners identify Kuromo Se Lighthouse at night?+
Kuromo Se 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 Kuromo Se Lighthouse guide vessels into?+
Kuromo Se Lighthouse assists vessels approaching 5 nearby ports. The closest is Tsuyoshi at 13.6 NM to the E. Other ports served include Ikitsuki (15.1 NM NE), Aokata (16.6 NM SSW), Arikawa (16.6 NM SSW), Enokizu (16.6 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kuromo Se Lighthouse still active and maintained?+
Yes, Kuromo Se 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 Kuromo Se Lighthouse?+
Kuromo Se 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 Kuromo Se Lighthouse?+
You can track vessels near Kuromo Se 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.