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Nagasaki Kō Lighthouse

Iso G 6s🇯🇵Nagasaki Area, JPOperational

Location & Light Range

About Nagasaki Kō Lighthouse

Nagasaki Kō Light displays a green isophase light, with a 4-second cycle. It stands at a focal height of 17 meters. This operational light has a geographic range of 5 nautical miles.

Light & Optic

Characteristic Signature
Iso G 6s
Flash Type
Isophase
Light Color
Green
Flash Count
1 flash
Interval
6s
Raw Code
Iso.G. period 4s
Focal Height
17m
Geographic Range
5NM

References & Identifiers

Admiralty No.
M5195.5
NGA No.
11808

Location

City
Nagasaki Area
Country
🇯🇵JP
Latitude
32.7148°
Longitude
129.8172°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Nagasaki Kō Lighthouse at night?+
Nagasaki Kō displays the characteristic Iso G 6s — 1 green flash 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 Nagasaki Kō Lighthouse guide vessels into?+
Nagasaki Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Nagasaki at 1.4 NM to the ENE. Other ports served include Aikawa, Nagasaki (1.7 NM E), Furue, Nagasaki (1.7 NM E), Furusato, Nagasaki (1.7 NM E), Fukue, Nagasaki (1.7 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nagasaki Kō Lighthouse still active and maintained?+
Yes, Nagasaki Kō 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 Nagasaki Kō Lighthouse?+
Nagasaki Kō 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 Nagasaki Kō Lighthouse?+
You can track vessels near Nagasaki Kō 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.