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Hisanohama Kō East Breakwater Lighthouse

Fl (2) Red 6s🇯🇵Iwaki, JPOperational

Location & Light Range

About Hisanohama Kō East Breakwater Lighthouse

A cylindrical concrete tower, 7 meters in height, stands on the south end of Hisanohama's detached outer breakwater in Iwaki, Fukushima Prefecture. The structure, painted red, features a focal height of 12 meters and emits a red light. Mariners observe a single red flash every six seconds, a characteristic that offers an 11 nautical mile range. The site is accessible by boat, though the tower itself remains closed to the public. The lighthouse serves the nearby port of Hisanohama.

Why it matters: This lighthouse clearly marks the eastern edge of the Hisanohama port's protective breakwater, aiding vessels in safe navigation into and out of the harbor.

Light & Optic

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

Location

City
Iwaki
Country
🇯🇵Japan
Region
Fukushima Prefecture
Sea Region
Located on the south end of the detached outer breakwater of Hisanohama, Japan.
Latitude
37.1461°
Longitude
141.0092°

References & Identifiers

Nearest Port
Hisanohama(0.0 km)
ARLHS No.
JPN-1351

Tower & Structure

Tower Height
7m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round conical concrete tower

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Hisanohama Kō East Breakwater Lighthouse at night?+
Hisanohama Kō East Breakwater displays the characteristic Fl (2) Red 6s — 2 red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Hisanohama Kō East Breakwater Lighthouse guide vessels into?+
Hisanohama Kō East Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Hisanohama at 0.3 NM to the WNW. Other ports served include Yotsukura (2.5 NM SSW), Ena (11 NM SSW), Nakanosaku (11.6 NM SSW), Ishiwaki (13.8 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hisanohama Kō East Breakwater Lighthouse still active and maintained?+
Yes, Hisanohama Kō East 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 Hisanohama Kō East Breakwater Lighthouse?+
Hisanohama Kō East 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 Hisanohama Kō East Breakwater Lighthouse?+
You can track vessels near Hisanohama Kō East 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.