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Futtsu City Lighthouses Lighthouse

F Red 5s🇯🇵Futtsu, JPOperational

Location & Light Range

About Futtsu City Lighthouses Lighthouse

This red concrete lighthouse stands 8 meters tall on the breakwater at Hamakanaya, a ferry terminal in Futtsu City. The structure includes a square, single-story equipment shelter. Its focal plane is 9 meters above the water. The light emits a continuous red glow, punctuated by a single bright red flash every five seconds. This light has a geographic range of 10 nautical miles. The lighthouse site is accessible to the public, though the tower itself is closed.

Why it matters: This lighthouse is essential for the safe navigation of ferries crossing Sagami Bay between Hamakanaya and Yokosuka, precisely marking the breakwater for vessels entering and leaving the terminal.

Light & Optic

Characteristic Signature
F Red 5s
Flash Type
Fixed
Light Color
Red
Interval
5s
Raw Code
F.Fl R 5s
Focal Height
9m
Geographic Range
10NM

Location

City
Futtsu
Country
🇯🇵Japan
Region
Chiba Prefecture
Sea Region
breakwater at Hamakanaya, a terminal for ferries crossing Sagami Bay to Yokosuka
Latitude
35.1706°
Longitude
139.8160°

References & Identifiers

Nearest Port
Kurihama(5.4 km)
ARLHS No.
JPN-082

Tower & Structure

Tower Height
8m
Tower Color
red
Material
concrete

Structure: An 8m red concrete post attached to a square 1-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 Futtsu City Lighthouses Lighthouse at night?+
Futtsu City Lighthouses displays the characteristic F Red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Futtsu City Lighthouses Lighthouse guide vessels into?+
Futtsu City Lighthouses Lighthouse assists vessels approaching 5 nearby ports. The closest is Kazusaminato at 3.8 NM to the NE. Other ports served include Kurihama (5.7 NM NW), Uraga (6.1 NM NW), Hamakanaya (6.2 NM NW), Kokubo (6.8 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Futtsu City Lighthouses Lighthouse still active and maintained?+
Yes, Futtsu City Lighthouses 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 Futtsu City Lighthouses Lighthouse?+
Futtsu City Lighthouses 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 Futtsu City Lighthouses Lighthouse?+
You can track vessels near Futtsu City Lighthouses 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.