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Hadakabae Lighthouse

Fl W 4s🇯🇵Kyushu-East Coast, JPOperational

Location & Light Range

About Hadakabae Lighthouse

Hadakabae lighthouse stands on the Kyushu-East Coast. It emits a white light that flashes once every 4 seconds. The structure's focal height is 21 meters above sea level. This light has a geographic range of 5 nautical miles. The lighthouse is currently operational.

Light & Optic

Characteristic Signature
Fl W 4s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
Fl.W. period 4s
Focal Height
21m
Light Range
5NM (9.3 km)
Geographic Range
5NM

References & Identifiers

Admiralty No.
M4870
NGA No.
10808

Location

City
Kyushu-East Coast
Country
🇯🇵JP
Latitude
31.5649°
Longitude
131.4163°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Hadakabae Lighthouse be seen?+
With a focal height of 21 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Hadakabae is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Hadakabae Lighthouse at night?+
Hadakabae displays the characteristic Fl W 4s — 1 white flash every 4 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.
Which ports and harbors does Hadakabae Lighthouse guide vessels into?+
Hadakabae Lighthouse assists vessels approaching 5 nearby ports. The closest is Aburatsu at 0.9 NM to the NW. Other ports served include Meitsu (2.1 NM SW), Tonoura (3.5 NM SW), Fukushima, Miyazaki (11.8 NM WSW), Uchiumi (11.8 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hadakabae Lighthouse still active and maintained?+
Yes, Hadakabae 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 Hadakabae Lighthouse?+
Hadakabae 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 Hadakabae Lighthouse?+
You can track vessels near Hadakabae 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.