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Okikuro (Oki Kuro) Shima Lighthouse

Fl White 3s🇯🇵Saiki, JPOperational

Location & Light Range

About Okikuro (Oki Kuro) Shima Lighthouse

A cylindrical concrete tower, 9 meters tall, marks Okikuro Shima. The lighthouse's lamp is situated 80 meters above sea level, casting a white light with a single flash every 3 seconds. This light has a geographic range of 22.6 nautical miles. The structure is located on Okikuro Shima, an island near Saiki within Oita Prefecture. Its nearest port is Kamae, 7.6 kilometers away.

Why it matters: This lighthouse provides essential navigational information for local fishing fleets and other maritime traffic in this specific region of Japan, helping vessels avoid hazards.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
80m
Geographic Range
22.6NM

Location

City
Saiki
Country
🇯🇵Japan
Region
Oita Prefecture
Sea Region
Okikuro Shima, Japan
Latitude
32.8803°
Longitude
132.0343°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
9m
Tower Shape
cylindrical
Material
concrete

Structure: round concrete tower

References & Identifiers

Nearest Port
Kamae(7.6 km)
ARLHS No.
JPN-2325
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Frequently Asked Questions

How do mariners identify Okikuro (Oki Kuro) Shima Lighthouse at night?+
Okikuro (Oki Kuro) 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 Okikuro (Oki Kuro) Shima Lighthouse guide vessels into?+
Okikuro (Oki Kuro) Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Urashiro at 7.3 NM to the NW. Other ports served include Kamae (7.4 NM SW), Saiki (8.4 NM NW), Tsukumi (14.7 NM NW), Shimanoura (17 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Okikuro (Oki Kuro) Shima Lighthouse still active and maintained?+
Yes, Okikuro (Oki Kuro) 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 Okikuro (Oki Kuro) Shima Lighthouse?+
Okikuro (Oki Kuro) 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 Okikuro (Oki Kuro) Shima Lighthouse?+
You can track vessels near Okikuro (Oki Kuro) 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.