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No Shima Lighthouse

Oc White 6s🇯🇵Hofu, JPOperational

Location & Light Range

About No Shima Lighthouse

Also known as: No Shima (Nojima, No Sima, Suō Noshima)

Located on a summit near the southern tip of an inhabited island in Suō Bay, No Shima Lighthouse was first lit in 1978. This square white concrete tower, standing 19 meters tall, has a focal height of 87 meters. Its light emits a single white flash every 6 seconds, visible for 23.4 nautical miles. The lighthouse illuminates the Omo Se reef, a submerged hazard. The site is open to the public, though the tower itself is closed.

Why it matters: No Shima Lighthouse is essential for the safety of local shipping and ferry services within Suō Bay, particularly those connecting to the island. It specifically guides vessels around the Omo Se reef.

Light & Optic

Characteristic Signature
Oc White 6s
Flash Type
Occulting
Light Color
White
Interval
6s
Raw Code
Oc W 6s
Focal Height
87m
Geographic Range
23.4NM

Construction & History

Year Built
1978

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
19m
Tower Shape
square
Tower Color
white
Material
concrete

Structure: square white concrete tower with lantern and gallery

Location

City
Hofu
Country
🇯🇵Japan
Region
Yamaguchi Prefecture
Sea Region
An inhabited island in Suō Bay, about 20 km southwest of Kudamatsu and 15 km southeast of Hōfu, located on a summit near the southern tip of the island, illuminating the nearby reef of Omo Se.
Latitude
33.9372°
Longitude
131.6955°

References & Identifiers

Nearest Port
Tonda(6.1 km)
Admiralty No.
M5398.5
ARLHS No.
JPN-602
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Frequently Asked Questions

How do mariners identify No Shima Lighthouse at night?+
No Shima displays the characteristic Oc White 6s. 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 No Shima Lighthouse guide vessels into?+
No Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Tonda at 6.4 NM to the NNE. Other ports served include Mitajiri (7.5 NM NW), Tajiri (7.5 NM NW), Tokuyamakudamatsu (7.7 NM NNE), Nakanoseki (8.1 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is No Shima Lighthouse still active and maintained?+
Yes, No 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 No Shima Lighthouse?+
No 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 No Shima Lighthouse?+
You can track vessels near No 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.