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Toyama Kō Shioya Saki Outer Breakwater Lighthouse

Fl (2) Green 6s🇯🇵Iwaki, JPOperational

Location & Light Range

About Toyama Kō Shioya Saki Outer Breakwater Lighthouse

This white concrete post lighthouse stands 9.5 meters tall at the eastern end of a detached outer breakwater. It is situated in the lee of Shioya Saki, protecting the harbor at Toyama Kō. The structure includes a lantern and is attached to a square, single-story concrete equipment shelter. Its light emits a green flash every 6 seconds. The focal height of the light is 14 meters, providing a geographic range of 11.6 nautical miles.

Why it matters: This lighthouse marks the eastern extremity of the outer breakwater, guiding vessels into Toyama Kō harbor and protecting them from the open sea.

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
14m
Geographic Range
11.6NM

Location

City
Iwaki
Country
🇯🇵Japan
Region
Fukushima Prefecture
Sea Region
Located at the east end of a detached outer breakwater protecting the harbor in the lee of Shioya Saki.
Latitude
36.9915°
Longitude
140.9835°

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, attached to a square 1-story concrete equipment shelter.

References & Identifiers

Nearest Port
Ena(1.8 km)
ARLHS No.
JPN-1369
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Frequently Asked Questions

How do mariners identify Toyama Kō Shioya Saki Outer Breakwater Lighthouse at night?+
Toyama Kō Shioya Saki Outer 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 Toyama Kō Shioya Saki Outer Breakwater Lighthouse guide vessels into?+
Toyama Kō Shioya Saki Outer Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Ena at 1.8 NM to the SW. Other ports served include Nakanosaku (2.5 NM SW), Ishiwaki (5.3 NM SW), Onahama (6 NM SW), Yotsukura (6.9 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Toyama Kō Shioya Saki Outer Breakwater Lighthouse still active and maintained?+
Yes, Toyama Kō Shioya Saki Outer 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 Toyama Kō Shioya Saki Outer Breakwater Lighthouse?+
Toyama Kō Shioya Saki Outer 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 Toyama Kō Shioya Saki Outer Breakwater Lighthouse?+
You can track vessels near Toyama Kō Shioya Saki Outer 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.