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Owari No Shima Lighthouse

Fl (2) W 7s🇯🇵Nagoya (Aichi Prefecture), JPOperational

Location & Light Range

About Owari No Shima Lighthouse

Owari No Shima is a white cylindrical concrete tower standing 32 meters tall, with its light positioned 60 meters above sea level. The structure includes a gallery and rises from a single-story equipment building. It emits a single green flash every 2 seconds. The lighthouse is located on a small island at the entrance to Mikawa Bay, within Aichi Prefecture. Its geographic range is 1 nautical mile.

Light & Optic

Characteristic Signature
Fl (2) W 7s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
7s
Raw Code
Fl.G. period 2s
Focal Height
60m
Geographic Range
1NM

Location

City
Nagoya (Aichi Prefecture)
Country
🇯🇵JP
Latitude
34.6669°
Longitude
137.0037°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
32m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: White square concrete tower; 32

References & Identifiers

Admiralty No.
M6055
NGA No.
6072
ARLHS No.
JPN-498
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Frequently Asked Questions

How do mariners identify Owari No Shima Lighthouse at night?+
Owari No Shima displays the characteristic Fl (2) W 7s — 2 white flashes every 7 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 Owari No Shima Lighthouse guide vessels into?+
Owari No Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Morozaki at 2.5 NM to the NW. Other ports served include Toyohama, Aichi (4 NM NW), Fukue, Aichi (5.5 NM ESE), Kowa (7 NM NW), Yoshida, Aichi (7.9 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Owari No Shima Lighthouse still active and maintained?+
Yes, Owari 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 Owari No Shima Lighthouse?+
Owari 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 Owari No Shima Lighthouse?+
You can track vessels near Owari 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.