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Narao Kō South Breakwater Lighthouse

Fl Green 3s🇯🇵Shinkamigotō, JPOperational

Location & Light Range

About Narao Kō South Breakwater Lighthouse

This 10-meter white cylindrical concrete post, topped by a green flashing light, marks the detached south breakwater of Narao harbor. The structure includes a 1-story concrete equipment room at its base. Its light characteristic is a single green flash every 3 seconds, visible for 11.9 nautical miles. The lighthouse was relocated in 2014 to its present position on a shorter, detached breakwater. The site is accessible to the public, though the tower itself is closed. Its nearest port is Shukunoura, 3.1 kilometers away.

Why it matters: This light marks the detached south breakwater, guiding vessels into Narao harbor and preventing collisions.

Light & Optic

Characteristic Signature
Fl Green 3s
Flash Type
Flashing
Light Color
Green
Interval
3s
Raw Code
Fl G 3s
Focal Height
15m
Geographic Range
11.9NM

Construction & History

Significant events: Relocated in 2014

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: A 10m white cylindrical concrete post attached to a square 1-story concrete equipment room.

Location

City
Shinkamigotō
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
Narao harbor, marking the detached south breakwater.
Latitude
32.8424°
Longitude
129.0634°

References & Identifiers

Nearest Port
Shukunoura(3.1 km)
Admiralty No.
M5010.3
NGA No.
12852
ARLHS No.
JPN-2238
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Frequently Asked Questions

How do mariners identify Narao Kō South Breakwater Lighthouse at night?+
Narao Kō South Breakwater displays the characteristic Fl Green 3s. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Narao Kō South Breakwater Lighthouse guide vessels into?+
Narao Kō South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Arao at 0.2 NM to the SSE. Other ports served include Narao (0.2 NM SSE), Aokata (8.5 NM N), Arikawa (8.5 NM N), Enokizu (8.5 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Narao Kō South Breakwater Lighthouse still active and maintained?+
Yes, Narao Kō South Breakwater 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 Narao Kō South Breakwater Lighthouse?+
Narao Kō South Breakwater 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 Narao Kō South Breakwater Lighthouse?+
You can track vessels near Narao Kō South Breakwater 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.