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Kisarazu City Lighthouse Lighthouse

Fl White 3s🇯🇵Futtsu, JPOperational

Location & Light Range

About Kisarazu City Lighthouse Lighthouse

A white concrete post, 9.5 meters high, supports the lantern for this lighthouse. The post is attached to a square, single-story concrete equipment shelter. This structure stands 12 meters above sea level. It is located on the west end of a long detached breakwater that protects Kisarazu harbor on the east side of Tokyo Bay. The light emits a single white flash every three seconds. The lighthouse is operational and serves as a navigational aid.

Why it matters: This lighthouse warns mariners of the western extent of the breakwater, guiding vessels safely into Kisarazu harbor.

Light & Optic

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

Location

City
Futtsu
Country
🇯🇵Japan
Region
Chiba Prefecture
Sea Region
Located on the east side of Tokyo Bay, directly opposite Yokohama, at the west end of a long detached breakwater protecting Kisarazu harbor.
Latitude
35.3117°
Longitude
139.7413°

References & Identifiers

Nearest Port
Yokosuka(3.0 km)
Admiralty No.
M6440
ARLHS No.
JPN-1322

Tower & Structure

Tower Height
9.5m
Tower Shape
post
Tower Color
white
Material
concrete

Structure: A 9.5-meter white concrete post, topped with a lantern, is attached to a square, one-story concrete equipment shelter.

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Kisarazu City Lighthouse Lighthouse at night?+
Kisarazu City Lighthouse displays the characteristic Fl White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Kisarazu City Lighthouse Lighthouse guide vessels into?+
Kisarazu City Lighthouse Lighthouse assists vessels approaching 5 nearby ports. The closest is Yokosuka at 2.9 NM to the WSW. Other ports served include Hayama (4 NM WSW), Uraga (4.3 NM S), Hamakanaya (4.9 NM SSW), Kurihama (5.4 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kisarazu City Lighthouse Lighthouse still active and maintained?+
Yes, Kisarazu City Lighthouse 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 Kisarazu City Lighthouse Lighthouse?+
Kisarazu City Lighthouse 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 Kisarazu City Lighthouse Lighthouse?+
You can track vessels near Kisarazu City Lighthouse 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.