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Akunami Lighthouse

Fl (2) White 5s🇯🇵Nishio, JPOperational

Location & Light Range

About Akunami Lighthouse

This concrete lighthouse stands 9 meters tall on a rock off the Tobacho ward in Nishio, Aichi Prefecture. Its cylindrical tower, featuring a gallery, is painted black with a single red horizontal band. The light emits a white flash every 5 seconds, visible for 10.4 nautical miles. The lighthouse is operational and located 2.4 kilometers from the nearest port, Higashihazu. While the site is open to visitors, the tower itself is closed.

Why it matters: The lighthouse is essential for safe passage in the waters off the Tobacho ward, marking the rock it sits upon to prevent groundings. Its distinctive black and red banding provides a clear visual cue for mariners.

Light & Optic

Characteristic Signature
Fl (2) White 5s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
5s
Raw Code
Fl W 5s
Focal Height
10m
Geographic Range
10.4NM

Location

City
Nishio
Country
🇯🇵Japan
Region
Aichi Prefecture
Sea Region
Located on a rock off the Tobacho ward.
Latitude
34.7785°
Longitude
137.0941°

References & Identifiers

Nearest Port
Higashihazu(2.4 km)
Admiralty No.
M6194.5
NGA No.
5952

Tower & Structure

Tower Height
9m
Tower Shape
cylindrical
Tower Color
black with one red horizontal band
Material
concrete

Structure: round cylindrical concrete tower with gallery

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Akunami Lighthouse at night?+
Akunami displays the characteristic Fl (2) White 5s — 2 white flashes every 5 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Akunami Lighthouse guide vessels into?+
Akunami Lighthouse assists vessels approaching 5 nearby ports. The closest is Yoshida, Aichi at 0.3 NM to the W. Other ports served include Higashihazu (2.4 NM E), Kuramai (3.8 NM E), Mikawa (5.2 NM ENE), Gamagori (7.1 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Akunami Lighthouse still active and maintained?+
Yes, Akunami 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 Akunami Lighthouse?+
Akunami 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 Akunami Lighthouse?+
You can track vessels near Akunami 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.