Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Tōkyō East Passage Detached Breakwater West End Lighthouse

Fl Red 3s🇯🇵Koto, JPOperational

Location & Light Range

About Tōkyō East Passage Detached Breakwater West End Lighthouse

This concrete post lighthouse stands 8.5 meters tall and is painted red. It is situated at the west end of a detached breakwater, approximately 1 km northwest of other breakwater lights. The structure includes an attached one-story concrete equipment room. Its light emits a single red flash every 3 seconds, visible for 11 nautical miles. The lighthouse is located within the harbor area, near Koto city. The nearest port is Urayasu, 4.6 km away.

Why it matters: This light defines the western boundary of a detached breakwater, guiding ships safely through the busy Tōkyō harbor and preventing collisions.

Light & Optic

Characteristic Signature
Fl Red 3s
Flash Type
Flashing
Light Color
Red
Interval
3s
Raw Code
Fl R 3s
Focal Height
12m
Geographic Range
11NM

Location

City
Koto
Country
🇯🇵Japan
Sea Region
Located at the west end of a detached breakwater within the harbor area, about 1 km northwest of the two breakwater lights.
Latitude
35.6176°
Longitude
139.8177°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
8.5m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: An 8.5m concrete post, painted red, attached to a rectangular one-story concrete equipment room.

References & Identifiers

Nearest Port
Urayasu(4.6 km)
Admiralty No.
M6427.8
NGA No.
5284
ARLHS No.
JPN-1471
Live tracking · 50,000+ mariners

Find Tōkyō East Passage Detached Breakwater West End Lighthouse on the live nautical map

Plan voyages near Japan, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Tōkyō East Passage Detached Breakwater West End Lighthouse at night?+
Tōkyō East Passage Detached Breakwater West End displays the characteristic Fl Red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Tōkyō East Passage Detached Breakwater West End Lighthouse guide vessels into?+
Tōkyō East Passage Detached Breakwater West End Lighthouse assists vessels approaching 5 nearby ports. The closest is Tokyo at 0.6 NM to the SE. Other ports served include Aomi (1.7 NM W), Ariake, Tokyo (1.9 NM WNW), Shibaura (4.4 NM NW), Urayasu (4.6 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tōkyō East Passage Detached Breakwater West End Lighthouse still active and maintained?+
Yes, Tōkyō East Passage Detached Breakwater West End 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 East Passage Detached Breakwater West End Lighthouse?+
Tōkyō East Passage Detached Breakwater West End 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 East Passage Detached Breakwater West End Lighthouse?+
You can track vessels near Tōkyō East Passage Detached Breakwater West End 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.