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Nakanosaku Kō Old West Breakwater Lighthouse

Fl Green 3s🇯🇵Iwaki, JPOperational

Also known as: #Nakanosaku Kō Old West Breakwater (?)

This white concrete post, standing 9 meters tall, was built in 2011 on the west breakwater of Nakanosaku's old inner harbor. It features a cylindrical tower attached to a square equipment shelter and emits a green flash every three seconds. The structure replaced an earlier navigation aid and was itself damaged by the 2011 tsunami. Following repairs, it was returned to service later that same year. Its operational period concluded in November 2019 when it was succeeded by a post light.

Why it matters: The light was essential for guiding vessels into the old inner harbor of Nakanosaku, and its rapid restoration after the 2011 tsunami highlighted its immediate importance to the local maritime community.

Characteristic Signature
Fl Green 3s
Flash Type
Flashing
Light Color
Green
Interval
3s
Raw Code
Fl G 3s
Focal Height
9m
Geographic Range
10NM
Year Built
2011

Significant events: replaced an earlier structure 2011, damaged by tsunami 2011, returned to service 2011, replaced by post light 2019

Nearest Port
Nakanosaku(0.5 km)
Admiralty No.
M6507
NGA No.
4584
ARLHS No.
JPN-1354
Tower Height
9m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: A 9m concrete post attached to a square 1-story concrete equipment shelter, painted white.

City
Iwaki
Country
🇯🇵Japan
Region
Fukushima Prefecture
Sea Region
on the west breakwater of the old inner harbor of Nakanosaku
Latitude
36.9608°
Longitude
140.9493°
Flag
Type
Name
Dist.
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How do mariners identify Nakanosaku Kō Old West Breakwater Lighthouse at night?+
Nakanosaku Kō Old West Breakwater displays the characteristic Fl Green 3s. 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 Nakanosaku Kō Old West Breakwater Lighthouse guide vessels into?+
Nakanosaku Kō Old West Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Nakanosaku at 0.2 NM to the SE. Other ports served include Ena (0.7 NM NE), Ishiwaki (2.9 NM SW), Onahama (3.6 NM WSW), Yotsukura (9 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nakanosaku Kō Old West Breakwater Lighthouse still active and maintained?+
Yes, Nakanosaku Kō Old West 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 Nakanosaku Kō Old West Breakwater Lighthouse?+
Nakanosaku Kō Old West 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 Nakanosaku Kō Old West Breakwater Lighthouse?+
You can track vessels near Nakanosaku Kō Old West 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.