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Tadotsu Kō Outer Breakwater Lighthouse

Fl white 5s🇯🇵Tadotsu, JPOperational

Also known as: Tadotu

This red lighthouse stands at the end of the outer breakwater for Tadotsu Port in Kagawa Prefecture, Japan. With a focal height of 11 meters, its white light offers a geographic range of 10.7 nautical miles. It exhibits a single white flash characteristic. The structure serves to mark the entrance to the port, guiding vessels through the Seto Inland Sea waters. It is an active aid to navigation, ensuring safe passage for maritime traffic.

Why it matters: This lighthouse is essential for the safe navigation of vessels entering and exiting Tadotsu Port, particularly given its location on the outer breakwater which defines the harbor entrance. It directly supports the local fishing industry and commercial shipping by providing a clear, active navigational aid in a busy coastal area.

Characteristic Signature
Fl white 5s
Flash Type
Flashing
Light Color
white
Interval
5s
Raw Code
Fl.W
Focal Height
11m
Geographic Range
10.7NM
City
Tadotsu
Country
🇯🇵Japan
Region
Kagawa Prefecture
Sea Region
Tadotsu (Tadotu) Kō Outer Breakwater
Latitude
34.2825°
Longitude
133.7363°
Flag
Type
Name
Dist.
Tower Color
red

Structure: The Tadotsu (Tadotu) Kō Outer Breakwater Lighthouse guides vessels into Tadotsu Port, a vital maritime gateway nestled along Japan's coast. Situated at the very end of the port's protective outer breakwater, it precisely marks the safe passage for ships navigating the intricate coastal waters of the Seto Inland Sea. This lighthouse's strategic position is indispensable for local fishing boats and larger commercial vessels alike, ensuring their secure entry and departure from the bustling harbor. Its light, emanating from a focal plane of 11 meters, cuts through the night, providing a reliable reference point against the backdrop of the surrounding sea. As an active aid to navigation, it continues its daily vigil, a silent guardian for the maritime traffic that sustains the region's economy. While specific historical details of its construction are not widely publicized, its ongoing operation underscores its enduring necessity for the port's safety and efficiency. Visitors to Tadotsu might catch glimpses of its steady light from the shore, a constant reminder of the port's deep connection to the wider sea.

Nearest Port
Tadotsu(0.8 km)
Admiralty No.
M5512
NGA No.
8352
ARLHS No.
JPN-2473
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How do mariners identify Tadotsu Kō Outer Breakwater Lighthouse at night?+
Tadotsu Kō Outer Breakwater displays the characteristic Fl white 5s. 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Tadotsu Kō Outer Breakwater Lighthouse guide vessels into?+
Tadotsu Kō Outer Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Tadotsu at 0.4 NM to the SE. Other ports served include Aoki (2.6 NM ENE), Ikunohama (2.6 NM ENE), Marugame (2.6 NM ENE), Uga (2.6 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tadotsu Kō Outer Breakwater Lighthouse still active and maintained?+
Yes, Tadotsu 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 Tadotsu Kō Outer Breakwater Lighthouse?+
Tadotsu 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 Tadotsu Kō Outer Breakwater Lighthouse?+
You can track vessels near Tadotsu 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.