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Saga Kō Outer Breakwater Lighthouse

Fl Green 3s🇯🇵Kuroshio, JPOperational

Location & Light Range

About Saga Kō Outer Breakwater Lighthouse

Also known as: Tosasaga

This cylindrical concrete lighthouse stands 13 meters tall and has a focal height of 19 meters. It is located on the outer breakwater of Saga Port in Kuroshio, Kochi Prefecture, Japan. The structure is a round, tapered concrete tower connected to a small equipment shelter. Its green light emits a single flash every 3 seconds and has a geographic range of 12.9 nautical miles. The lighthouse is situated 0.5 kilometers from the nearest port.

Why it matters: This lighthouse is essential for the safe navigation of all vessels utilizing Saga Port, clearly delineating the outer breakwater and aiding in accurate positioning when approaching the harbor.

Light & Optic

Characteristic Signature
Fl Green 3s
Flash Type
Flashing
Light Color
Green
Interval
3s
Raw Code
Fl G 3s
Focal Height
19m
Geographic Range
12.9NM

Location

City
Kuroshio
Country
🇯🇵Japan
Region
Kochi Prefecture
Sea Region
Saga Port, on the outer breakwater
Latitude
33.0693°
Longitude
133.1139°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
13m
Tower Shape
cylindrical
Material
concrete

Structure: round tapered concrete tower attached to a small equipment shelter

References & Identifiers

Nearest Port
Saga(0.5 km)
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Frequently Asked Questions

How do mariners identify Saga Kō Outer Breakwater Lighthouse at night?+
Saga Kō Outer 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 Saga Kō Outer Breakwater Lighthouse guide vessels into?+
Saga Kō Outer Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Saga at 0.3 NM to the N. Other ports served include Kaminokae (14.2 NM NNE), Tosashimizu (19.3 NM SSW), Ashizuri (19.4 NM SSW), Susaki (21.4 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Saga Kō Outer Breakwater Lighthouse still active and maintained?+
Yes, Saga Kō Outer 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 Saga Kō Outer Breakwater Lighthouse?+
Saga Kō Outer 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 Saga Kō Outer Breakwater Lighthouse?+
You can track vessels near Saga Kō Outer 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.