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Naruohama Breakwater Lighthouse

Fl (2) Green 6s🇯🇵Nishinomiya, JPOperational

Location & Light Range

About Naruohama Breakwater Lighthouse

This white concrete post structure stands 9.5 meters tall and is attached to a 1-story concrete equipment room. Its focal height reaches 12 meters, providing a geographic range of 11 nautical miles. The light emits a single green flash every 6 seconds. It is situated at the end of a narrow breakwater in Naruohama harbor, east of Kōbe. The nearest port, Amagasaki, is 0.7 kilometers away.

Why it matters: This light clearly marks the end of the breakwater, preventing collisions and ensuring safe navigation for vessels entering and exiting the busy Naruohama harbor.

Light & Optic

Characteristic Signature
Fl (2) Green 6s
Flash Type
Flashing
Light Color
Green
Flash Count
2 flashes
Interval
6s
Raw Code
Fl G 6s
Focal Height
12m
Geographic Range
11NM

Location

City
Nishinomiya
Country
🇯🇵Japan
Region
Hyogo Prefecture
Sea Region
Naruohama harbor in eastern Kōbe, at the end of a narrow breakwater
Latitude
34.6860°
Longitude
135.3621°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

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

Structure: A 9.5m concrete post attached to a square 1-story concrete equipment room, painted white.

References & Identifiers

Nearest Port
Amagasaki(0.7 km)
Admiralty No.
M5899.3
NGA No.
7402
ARLHS No.
JPN-1915
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Frequently Asked Questions

How do mariners identify Naruohama Breakwater Lighthouse at night?+
Naruohama Breakwater displays the characteristic Fl (2) Green 6s — 2 green flashes every 6 seconds. 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 Naruohama Breakwater Lighthouse guide vessels into?+
Naruohama Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Amagasaki at 1.3 NM to the NE. Other ports served include Nishinomiya (1.3 NM NE), AmagasakiNishinomiyaAshiya (3.3 NM NE), Osaka, Tottori (4.1 NM ESE), Osaka (6.9 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Naruohama Breakwater Lighthouse still active and maintained?+
Yes, Naruohama 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 Naruohama Breakwater Lighthouse?+
Naruohama 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 Naruohama Breakwater Lighthouse?+
You can track vessels near Naruohama 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.