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Komori Shima Lighthouse

Fl (3) W 12s🇯🇵Shimane, JPOperational

Location & Light Range

About Komori Shima Lighthouse

This concrete lighthouse, built in 1954, stands 13 meters tall with a focal height of 62 meters. Its cylindrical tower is painted white with red bands. The light emits three white flashes every 12 seconds. The lighthouse is situated atop a large rock approximately 1200 meters off the northern tip of Nakanoshima.

Light & Optic

Characteristic Signature
Fl (3) W 12s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
12s
Raw Code
Iso.R. period 2s
Focal Height
62m
Geographic Range
5NM

Construction & History

Year Built
1954

References & Identifiers

Admiralty No.
M7321.7
NGA No.
2152
ARLHS No.
JPN-285

Tower & Structure

Tower Height
13m
Tower Shape
cylindrical
Tower Color
white and red
Material
concrete

Structure: White glass reinforced plastic(grp) fiberglass tower, red banded; 13

Location

City
Shimane
Country
🇯🇵JP
Latitude
36.1282°
Longitude
133.1213°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Komori Shima Lighthouse at night?+
Komori Shima displays the characteristic Fl (3) W 12s — 3 white flashes every 12 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 Komori Shima Lighthouse guide vessels into?+
Komori Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Ama, Hyogo at 2.2 NM to the SW. Other ports served include Nakanoshima (2.6 NM WSW), Chichii (3.1 NM S), Minami (3.6 NM SSW), Beppu, Shimane (4 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Komori Shima Lighthouse still active and maintained?+
Yes, Komori 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 Komori Shima Lighthouse?+
Komori 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 Komori Shima Lighthouse?+
You can track vessels near Komori 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.