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Ogan Misaki Lighthouse

Fl White 10s🇯🇵Kumejima, JPOperational

Location & Light Range

About Ogan Misaki Lighthouse

Also known as: Ogan Misaki (Ugan Saki)

Constructed in 1972, Ogan Misaki Lighthouse is a white, cylindrical concrete tower standing 9.5 meters tall. The structure is mounted on a square concrete pier and attached to a single-story equipment shelter. Its light emits a white flash every 10 seconds, visible for 10.2 nautical miles. The lighthouse is situated on the northeastern tip of a coral reef off the east coast of Kume Shima in Okinawa Prefecture, Japan. It is located 21 kilometers from the nearest port of Aguni.

Why it matters: This lighthouse warns vessels of the extensive coral reef system off Kume Shima's east coast, preventing groundings on submerged hazards. It ensures safe passage for local fishing boats and other maritime traffic navigating these complex waters.

Light & Optic

Characteristic Signature
Fl White 10s
Flash Type
Flashing
Light Color
White
Interval
10s
Raw Code
Fl W 10s
Focal Height
9.5m
Geographic Range
10.2NM

Construction & History

Year Built
1972

References & Identifiers

Nearest Port
Aguni(21.0 km)
ARLHS No.
JPN-2617

Tower & Structure

Tower Height
9.5m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower, attached to a small 1-story equipment shelter and mounted on a square concrete pier

Location

City
Kumejima
Country
🇯🇵Japan
Region
Okinawa Prefecture
Sea Region
northeastern tip of the coral reef off the east coast of Kume Shima
Latitude
26.3578°
Longitude
126.9305°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ogan Misaki Lighthouse at night?+
Ogan Misaki displays the characteristic Fl White 10s. 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 Ogan Misaki Lighthouse guide vessels into?+
Ogan Misaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Kanegusuku at 9.4 NM to the W. Other ports served include Zamami (21.5 NM ESE), Tokashiki (25.6 NM ESE), Naha, Okinawa (40.5 NM E), Ginowan (41.4 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ogan Misaki Lighthouse still active and maintained?+
Yes, Ogan Misaki 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.
How can I track vessels near Ogan Misaki Lighthouse?+
You can track vessels near Ogan Misaki 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.