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Nagasaki Hana Lighthouse

F White 20s🇯🇵Choshi, JPOperational

Location & Light Range

About Nagasaki Hana Lighthouse

Nagasaki Hana Lighthouse is a round, cylindrical concrete tower painted white. It stands 20 meters tall, with its light positioned 23 meters above sea level. This structure is situated on the extreme southern point of the Inubō Saki promontory. During high tide, the lighthouse is completely surrounded by water. Its white light flashes consistently, serving as a navigational aid in the region.

Why it matters: The lighthouse clearly marks the southern extremity of the Inubō Saki promontory, aiding vessels navigating this exposed headland.

Light & Optic

Characteristic Signature
F White 20s
Flash Type
Fixed
Light Color
White
Interval
20s
Raw Code
F W
Focal Height
23m
Geographic Range
13.8NM

Location

City
Choshi
Country
🇯🇵Japan
Region
Chiba Prefecture
Sea Region
Located on the extreme south point of the Inubō Saki promontory; the lighthouse is surrounded by water when the tide is high.
Latitude
35.6929°
Longitude
140.8653°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
20m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical white concrete tower

References & Identifiers

Nearest Port
Choshi(3.4 km)
Admiralty No.
M6478.4
NGA No.
4784
ARLHS No.
JPN-390
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Frequently Asked Questions

How do mariners identify Nagasaki Hana Lighthouse at night?+
Nagasaki Hana displays the characteristic F White 20s. 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 Nagasaki Hana Lighthouse guide vessels into?+
Nagasaki Hana Lighthouse assists vessels approaching 5 nearby ports. The closest is Naarai at 2.5 NM to the NNW. Other ports served include Takada (2.5 NM NNW), Choshi (3.2 NM NNW), Kashima, Ibaraki (15.7 NM NW), Futtsu, Chiba (24.4 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nagasaki Hana Lighthouse still active and maintained?+
Yes, Nagasaki Hana 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 Nagasaki Hana Lighthouse?+
Nagasaki Hana 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 Nagasaki Hana Lighthouse?+
You can track vessels near Nagasaki Hana 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.