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Murotomisaki Kō Outer Breakwater Lighthouse

F Green 4s🇯🇵Muroto, JPOperational

This red, cylindrical concrete tower stands 16 meters tall and is situated at the end of the detached outer breakwater of Murotomisaki, Kochi Prefecture. Its focal height is 20 meters above sea level. The lighthouse emits a green flashing light, characterized by a single flash every 4 seconds. It is located 0.2 kilometers from the nearest port of Murotomisaki. The structure is painted red and has a tapered concrete design.

Why it matters: This lighthouse is essential for guiding vessels safely into Murotomisaki harbor by marking the submerged end of the outer breakwater, thereby preventing collisions.

Characteristic Signature
F Green 4s
Flash Type
Fixed
Light Color
Green
Interval
4s
Raw Code
F.Fl G 4s
Focal Height
20m
Geographic Range
13.2NM
City
Muroto
Country
🇯🇵Japan
Region
Kochi Prefecture
Sea Region
end of the detached outer breakwater of Murotomisaki
Latitude
33.2619°
Longitude
134.1590°
Flag
Type
Name
Dist.
Tower Height
16m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round tapered concrete tower, painted red

Nearest Port
Murotomisaki(0.2 km)
Admiralty No.
M5587.4
NGA No.
10098
ARLHS No.
JPN-2498
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How do mariners identify Murotomisaki Kō Outer Breakwater Lighthouse at night?+
Murotomisaki Kō Outer Breakwater displays the characteristic F Green 4s. 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 Murotomisaki Kō Outer Breakwater Lighthouse guide vessels into?+
Murotomisaki Kō Outer Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Murotsu, Kochi at 1.5 NM to the NNW. Other ports served include Nahari (12 NM NW), Kannoura (18.4 NM NNE), Asakawa (24.5 NM NNE), Kochi (34.1 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Murotomisaki Kō Outer Breakwater Lighthouse still active and maintained?+
Yes, Murotomisaki 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 Murotomisaki Kō Outer Breakwater Lighthouse?+
Murotomisaki 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 Murotomisaki Kō Outer Breakwater Lighthouse?+
You can track vessels near Murotomisaki 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.