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Tengihana Lighthouse

Occ W 8s🇯🇵Shikoku-South coast, JPOperational

Location & Light Range

About Tengihana Lighthouse

This lighthouse features a round, white concrete tower standing 25 meters high. It is situated along the Shikoku South coast. The main light displays an occulting white signal, repeating every 8 seconds. An auxiliary light system is also present, which serves to illuminate a beacon located on Shira Ishi. The focal height of the main light is 73 meters above sea level, providing a geographic range of 12 nautical miles.

Light & Optic

Characteristic Signature
Occ W 8s
Flash Type
Occ
Light Color
White
Flash Count
1 flash
Interval
8s
Raw Code
Oc.W. period 8s
Focal Height
73m
Light Range
12NM (22.2 km)
Geographic Range
12NM

Location

City
Shikoku-South coast
Country
🇯🇵JP
Latitude
32.9301°
Longitude
132.5673°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
25m
Tower Shape
round
Tower Color
white
Material
concrete

Structure: White round concrete tower; 25. Auxiliary light illuminates beacon on Shira Ishi,

References & Identifiers

Admiralty No.
M5611
NGA No.
10504
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Frequently Asked Questions

How far offshore can Tengihana Lighthouse be seen?+
With a focal height of 73 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Tengihana is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Tengihana Lighthouse at night?+
Tengihana displays the characteristic Occ W 8s — 1 white flash every 8 seconds. 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.
Which ports and harbors does Tengihana Lighthouse guide vessels into?+
Tengihana Lighthouse assists vessels approaching 5 nearby ports. The closest is Fukaura, Ehime at 1.7 NM to the ENE. Other ports served include Misho (2.6 NM NNW), Ikeshima (6.1 NM E), Sukumowan (7.5 NM E), Ozuku (8 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tengihana Lighthouse still active and maintained?+
Yes, Tengihana 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 Tengihana Lighthouse?+
Tengihana 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 Tengihana Lighthouse?+
You can track vessels near Tengihana 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.