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Onahama Kō West Breakwater East Head Lighthouse

Fl (2) Green 6s🇯🇵Iwaki, JPOperational

Location & Light Range

About Onahama Kō West Breakwater East Head Lighthouse

This white concrete post structure stands 10 meters tall and is attached to a square, one-story equipment shelter. It is situated at the end of the eastern breakwater protecting Onahama Port, also known as the Misaki Breakwater light. The post is 14 meters above sea level and emits a green light with two flashes every six seconds. This light has a geographic range of 11.6 nautical miles. It is located 1.3 kilometers from the nearest port of Onahama.

Why it matters: This light marks the eastern limit of the breakwater, guiding vessels safely into and out of Onahama Port.

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 end of the east breakwater at Onahama, also known as the Misaki Breakwater light.
Latitude
36.9373°
Longitude
140.9090°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
post
Tower Color
white
Material
concrete

Structure: A 10m white concrete post attached to a square 1-story concrete equipment shelter.

References & Identifiers

Nearest Port
Onahama(1.3 km)
Admiralty No.
M6500.6
NGA No.
4620
ARLHS No.
JPN-1360
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Frequently Asked Questions

How do mariners identify Onahama Kō West Breakwater East Head Lighthouse at night?+
Onahama Kō West Breakwater East Head 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 Onahama Kō West Breakwater East Head Lighthouse guide vessels into?+
Onahama Kō West Breakwater East Head Lighthouse assists vessels approaching 5 nearby ports. The closest is Ishiwaki at 0.5 NM to the WSW. Other ports served include Onahama (1.2 NM WSW), Nakanosaku (2.4 NM ENE), Ena (3.1 NM NE), Hirakata (7.4 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Onahama Kō West Breakwater East Head Lighthouse still active and maintained?+
Yes, Onahama Kō West Breakwater East Head 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 Onahama Kō West Breakwater East Head Lighthouse?+
Onahama Kō West Breakwater East Head 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 Onahama Kō West Breakwater East Head Lighthouse?+
You can track vessels near Onahama Kō West Breakwater East Head 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.