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Tōkyō West Passage West Breakwater Lighthouse

Fl (2) White 5s🇯🇵Ota, JPOperational

Location & Light Range

About Tōkyō West Passage West Breakwater Lighthouse

This concrete, cylindrical tower, 16 meters in height, was built in 1981 and featured a gallery. It stood at the end of a breakwater near the west entrance to Tōkyō harbor. The lighthouse emitted two white flashes every 5 seconds. It served as a navigational aid for vessels entering and exiting the busy port. The structure was deactivated and removed in December 2017.

Why it matters: The lighthouse marked the end of a breakwater and was essential for safe passage into Tōkyō harbor's west entrance.

Light & Optic

Characteristic Signature
Fl (2) White 5s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
5s
Raw Code
Fl(2) G 5s
Light Range
10NM (18.5 km)

Construction & History

Year Built
1981

Significant events: Removed in 2017, deactivated in December 2017

References & Identifiers

Nearest Port
Tokyo(4.1 km)
Admiralty No.
M6427.17
ARLHS No.
JPN-1476

Tower & Structure

Tower Height
16m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with gallery

Location

City
Ota
Country
🇯🇵Japan
Sea Region
Located at the end of a breakwater on the east side of the west entrance to Tōkyō harbor.
Latitude
35.5860°
Longitude
139.7840°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Tōkyō West Passage West Breakwater Lighthouse at night?+
Tōkyō West Passage West Breakwater displays the characteristic Fl (2) White 5s — 2 white flashes every 5 seconds. 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 Tōkyō West Passage West Breakwater Lighthouse guide vessels into?+
Tōkyō West Passage West Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Aomi at 1.8 NM to the N. Other ports served include Tokyo (2.6 NM NE), Ariake, Tokyo (2.8 NM N), Shinagawa, Tokyo (3.4 NM WNW), Kawasaki (4.4 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tōkyō West Passage West Breakwater Lighthouse still active and maintained?+
Yes, Tōkyō West Passage West 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 Tōkyō West Passage West Breakwater Lighthouse?+
Tōkyō West Passage West 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 Tōkyō West Passage West Breakwater Lighthouse?+
You can track vessels near Tōkyō West Passage West 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.