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Hikari Kō South Breakwater Lighthouse

Oc Green 6s🇯🇵Hikari, JPOperational

Location & Light Range

About Hikari Kō South Breakwater Lighthouse

This lighthouse marks the entrance to Hikari harbor at the end of its south breakwater. Constructed from white concrete, the 9.5-meter post features a lantern atop a 1-story equipment shelter. Its focal height is 12 meters, and it emits a green light with a 3-second flash followed by a 3-second dark period, completing a cycle every 6 seconds. The geographic range of the light is 11 nautical miles. This navigational aid is situated 1.1 kilometers from the nearest port of Hikari.

Why it matters: The occulting green light specifically delineates the harbor entrance, preventing groundings and guiding vessels through the narrowest part of the channel to ensure the safe operation of the port.

Light & Optic

Characteristic Signature
Oc Green 6s
Flash Type
Occulting
Light Color
Green
Interval
6s
Raw Code
Oc G 6s
Focal Height
12m
Geographic Range
11NM

Location

City
Hikari
Country
🇯🇵Japan
Region
Yamaguchi Prefecture
Sea Region
Hikari harbor, marking the entrance at the end of its south breakwater.
Latitude
33.9482°
Longitude
131.9497°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

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

Structure: A 9.5m white concrete post with a lantern, centered on a square 1-story equipment shelter.

References & Identifiers

Nearest Port
Hikari(1.1 km)
Admiralty No.
M5405.4
ARLHS No.
JPN-1617
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Frequently Asked Questions

How do mariners identify Hikari Kō South Breakwater Lighthouse at night?+
Hikari Kō South Breakwater displays the characteristic Oc Green 6s. 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 Hikari Kō South Breakwater Lighthouse guide vessels into?+
Hikari Kō South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Hikari at 1.2 NM to the NW. Other ports served include Kudamatsu (6 NM WNW), Tokuyama (8.4 NM NW), Yanai (8.9 NM E), Hirao (9.1 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hikari Kō South Breakwater Lighthouse still active and maintained?+
Yes, Hikari Kō South Breakwater 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 Hikari Kō South Breakwater Lighthouse?+
Hikari Kō South Breakwater 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 Hikari Kō South Breakwater Lighthouse?+
You can track vessels near Hikari Kō South Breakwater 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.