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Ketano Hana Lighthouse

Oc Green 8s🇯🇵Nachikatsuura, JPOperational

Location & Light Range

About Ketano Hana Lighthouse

Also known as: Ketano Hana (Naka Shima)

This white, cylindrical concrete tower stands 8.5 meters tall and emits a green light from a focal height of 12 meters. The light flashes once every 8 seconds, providing a clear navigational signal. Located on a promontory at the eastern tip of an island, it marks the western side of the entrance to Kii Katsuura harbor. Access to this site is limited to boats, emphasizing its position on the coast. It offers a geographic range of 11 nautical miles, guiding vessels in the vicinity.

Why it matters: Ketano Hana is essential for vessels approaching Kii Katsuura harbor from the west, clearly marking the harbor entrance and preventing groundings on the promontory.

Light & Optic

Characteristic Signature
Oc Green 8s
Flash Type
Occulting
Light Color
Green
Interval
8s
Raw Code
Oc G 8s
Focal Height
12m
Geographic Range
11NM

Location

City
Nachikatsuura
Country
🇯🇵Japan
Region
Wakayama Prefecture
Sea Region
promontory at the eastern tip of an island on the west side of the entrance to Kii Katsuura harbor
Latitude
33.6196°
Longitude
135.9493°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

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

Structure: round concrete tower

References & Identifiers

Nearest Port
Shingu(3.4 km)
Admiralty No.
M6006
NGA No.
6704
USCG No.
JCG-2879
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Frequently Asked Questions

How do mariners identify Ketano Hana Lighthouse at night?+
Ketano Hana displays the characteristic Oc Green 8s. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Ketano Hana Lighthouse guide vessels into?+
Ketano Hana Lighthouse assists vessels approaching 5 nearby ports. The closest is Katsuura, Wakayama at 0.4 NM to the NNW. Other ports served include Shingu (3.5 NM NNE), Sue (11.5 NM SSW), KUSHIMOTO (12.1 NM SW), Fukuro (12.3 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ketano Hana Lighthouse still active and maintained?+
Yes, Ketano 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 Ketano Hana Lighthouse?+
Ketano 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 Ketano Hana Lighthouse?+
You can track vessels near Ketano 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.