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Konoura Kō South Breakwater Lighthouse

Fl Red 3s🇯🇵Sasebo, JPOperational

Location & Light Range

About Konoura Kō South Breakwater Lighthouse

This lighthouse marks the end of the south breakwater at Konoura harbor. Constructed of concrete, the 8-meter-tall red post structure features a square equipment shelter at its base. Its light is visible for nearly 11 nautical miles. The lighthouse emits a single red flash every 3 seconds. It is located in Sasebo, within Nagasaki Prefecture.

Why it matters: This lighthouse is essential for safe navigation into Konoura harbor, warning vessels of the south breakwater's terminus.

Light & Optic

Characteristic Signature
Fl Red 3s
Flash Type
Flashing
Light Color
Red
Interval
3s
Raw Code
Fl R 3s
Focal Height
11m
Geographic Range
10.7NM

Location

City
Sasebo
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
Konoura harbor, marking the end of the south breakwater.
Latitude
33.2525°
Longitude
129.0919°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
8m
Tower Shape
post
Tower Color
red
Material
concrete

Structure: An 8m red concrete post with a square 1-story concrete equipment shelter at its base.

References & Identifiers

Nearest Port
Ojika(4.4 km)
Admiralty No.
M5017.2
NGA No.
12756
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Frequently Asked Questions

How do mariners identify Konoura Kō South Breakwater Lighthouse at night?+
Konoura Kō South Breakwater displays the characteristic Fl Red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Konoura Kō South Breakwater Lighthouse guide vessels into?+
Konoura Kō South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Aokata at 16.2 NM to the S. Other ports served include Arikawa (16.2 NM S), Enokizu (16.2 NM S), Kata (16.2 NM S), Kozera (16.2 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Konoura Kō South Breakwater Lighthouse still active and maintained?+
Yes, Konoura 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 Konoura Kō South Breakwater Lighthouse?+
Konoura 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 Konoura Kō South Breakwater Lighthouse?+
You can track vessels near Konoura 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.