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Tsuma Onbe Shima Lighthouse

🇯🇵Okinoshima, JPOperational

Location & Light Range

About Tsuma Onbe Shima Lighthouse

Also known as: Tuma

Constructed in 1972, the Tsuma Onbe Shima lighthouse is an elliptical cylindrical concrete structure measuring 6 meters in height. Situated on Onbe Shima island, it has a focal height of 100 meters, providing a visibility range of 24.9 nautical miles. The lighthouse, near Okinoshima, is operational and marks the passage towards Okinokojima port, located 5.7 kilometers distant.

Why it matters: The Tsuma Onbe Shima lighthouse serves as a navigation aid for vessels in the waters of Shimane Prefecture. Its height and range assist maritime traffic approaching the Japanese island.

Light & Optic

Focal Height
100m
Geographic Range
24.9NM

Construction & History

Year Built
1972

References & Identifiers

Nearest Port
Okinokojima(5.7 km)
Admiralty No.
M7321.44.

Tower & Structure

Tower Height
6m
Tower Shape
cylindrical
Material
concrete

Structure: elliptical cylindrical concrete tower

Location

City
Okinoshima
Country
🇯🇵Japan
Region
Shimane Prefecture
Sea Region
Onbe Shima, Japan
Latitude
36.1937°
Longitude
133.2199°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

Which ports and harbors does Tsuma Onbe Shima Lighthouse guide vessels into?+
Tsuma Onbe Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Oki at 5.8 NM to the E. Other ports served include Ama, Hyogo (8.4 NM SW), Chichii (8.6 NM SW), Nakanoshima (8.8 NM SW), Minami (9.4 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tsuma Onbe Shima Lighthouse still active and maintained?+
Yes, Tsuma Onbe 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 Tsuma Onbe Shima Lighthouse?+
Tsuma Onbe 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 Tsuma Onbe Shima Lighthouse?+
You can track vessels near Tsuma Onbe 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.