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Hakosaki Kō Breakwater Lighthouse

Fl R 3s🇯🇵Okayama and Hiroshima, JPOperational

Location & Light Range

About Hakosaki Kō Breakwater Lighthouse

A grey square concrete tower with a white lantern marks the Hakosaki Kō Breakwater. This structure reaches a height of 20 meters, with the light positioned 14 meters above sea level. It emits a red light that flashes on a 3-second cycle. The tower's construction utilizes concrete.

Why it matters: This lighthouse has a geographic range of 3 nautical miles.

Light & Optic

Characteristic Signature
Fl R 3s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
3s
Raw Code
Fl.R. period 3s
Focal Height
14m
Geographic Range
3NM

Location

City
Okayama and Hiroshima
Country
🇯🇵JP
Latitude
34.3585°
Longitude
133.3391°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
20m
Tower Shape
square
Tower Color
white and grey
Material
concrete

Structure: Grey square concrete tower, white lantern; 20

References & Identifiers

Admiralty No.
M5728.7
NGA No.
8428
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Frequently Asked Questions

How do mariners identify Hakosaki Kō Breakwater Lighthouse at night?+
Hakosaki Kō Breakwater displays the characteristic Fl R 3s — 1 red flash every 3 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 Hakosaki Kō Breakwater Lighthouse guide vessels into?+
Hakosaki Kō Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Yokota, Hiroshima at 2.5 NM to the W. Other ports served include Tsuneishi (2.7 NM NW), Fukuyama, Kagoshima (6.5 NM NE), Kuyama (6.5 NM NE), Fukuyama, Hiroshima (7.4 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hakosaki Kō Breakwater Lighthouse still active and maintained?+
Yes, Hakosaki Kō 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 Hakosaki Kō Breakwater Lighthouse?+
Hakosaki Kō 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 Hakosaki Kō Breakwater Lighthouse?+
You can track vessels near Hakosaki Kō 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.