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Gobō Katuo Shima Lighthouse

Fl W 4s🇯🇵Wakayama Prefecture, JPOperational

Location & Light Range

About Gobō Katuo Shima Lighthouse

This lighthouse is located in Wakayama Prefecture. Its focal height reaches 18 meters above sea level. The light characteristic consists of a single white flash occurring every 4 seconds. The geographic range of the light is 5 nautical miles.

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
18m
Geographic Range
5NM

References & Identifiers

Admiralty No.
M5974
NGA No.
6888

Location

City
Wakayama Prefecture
Country
🇯🇵JP
Latitude
33.8500°
Longitude
135.1500°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Gobō Katuo Shima Lighthouse at night?+
Gobō Katuo Shima 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 Gobō Katuo Shima Lighthouse guide vessels into?+
Gobō Katuo Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Hidaka at 1.3 NM to the N. Other ports served include Gobo Wakayama (2 NM N), Inami (4 NM SE), Ubuyu (5 NM NW), Yura, Yamaguchi (6.5 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gobō Katuo Shima Lighthouse still active and maintained?+
Yes, Gobō Katuo Shima 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 Gobō Katuo Shima Lighthouse?+
Gobō Katuo Shima 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 Gobō Katuo Shima Lighthouse?+
You can track vessels near Gobō Katuo Shima 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.