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Shiroko Kō Outer Breakwater North Head Lighthouse

Fl Green 3s🇯🇵Suzuka, JPOperational

Also known as: Siroko

The Shiroko Kō Outer Breakwater North Head lighthouse, built in 1996, marks the northern extremity of the outer breakwater at Shiroko Port in Mie Prefecture, Japan. This active aid shows a single green flash every 3 seconds from a focal height of 13 meters. With a geographic range of 11.3 nautical miles, its light guides vessels entering or leaving the harbor. The structure is situated at the end of the breakwater, extending into the sea to protect the inner port. This modern light serves commercial and fishing craft navigating these waters.

Why it matters: This lighthouse defines the safe channel into Shiroko Port, directing vessels past the outer breakwater and ensuring the smooth flow of local commercial and fishing traffic.

Characteristic Signature
Fl Green 3s
Flash Type
Flashing
Light Color
Green
Interval
3s
Raw Code
Fl G 3s
Focal Height
13m
Geographic Range
11.3NM
Year Built
1996
Nearest Port
Shiroko(0.0 km)
Admiralty No.
M6093.6
NGA No.
6209
ARLHS No.
JPN-1853
Tower Color
white

Structure: The Shiroko (Siroko) Kō Outer Breakwater North Head lighthouse marks the very tip of the northern arm of the outer breakwater, defining the entrance to Shiroko Port in Japan. Since its construction in 1996, this active light has been an essential aid to navigation for all maritime traffic approaching or departing the harbor. Its green flash cuts through the coastal night, a clear signal for mariners navigating the waters around the port's entrance. The surrounding landscape is typical of a working port, with the breakwater extending into the sea, protecting the inner harbor from the open ocean's swells. While its story isn't filled with dramatic rescues or historic firsts, its consistent operation ensures the safe passage of fishing boats, cargo vessels, and other craft that rely on Shiroko Port for their livelihoods and operations. It represents the ongoing commitment to maritime safety in this busy coastal region, a modern fixture in the daily rhythm of the port. As a functional aid, it is not typically open for public visitation, but its light is a familiar and reassuring sight to those who work and live by the sea here.

City
Suzuka
Country
🇯🇵Japan
Region
Mie Prefecture
Sea Region
Located at the North Head of the Outer Breakwater of Shiroko (Siroko) Port in Japan.
Latitude
34.8260°
Longitude
136.5972°
Flag
Type
Name
Dist.
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How do mariners identify Shiroko Kō Outer Breakwater North Head Lighthouse at night?+
Shiroko Kō Outer Breakwater North Head 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 Shiroko Kō Outer Breakwater North Head Lighthouse guide vessels into?+
Shiroko Kō Outer Breakwater North Head Lighthouse assists vessels approaching 5 nearby ports. The closest is SUZUKA at 4 NM to the NNE. Other ports served include Chiyozaki (8.6 NM NNE), Yokkaichi (8.6 NM NNE), Tsu (10.4 NM SSW), Tokoname (11.9 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Shiroko Kō Outer Breakwater North Head Lighthouse still active and maintained?+
Yes, Shiroko Kō Outer Breakwater North Head 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 Shiroko Kō Outer Breakwater North Head Lighthouse?+
Shiroko Kō Outer Breakwater North Head 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 Shiroko Kō Outer Breakwater North Head Lighthouse?+
You can track vessels near Shiroko Kō Outer Breakwater North Head 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.