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Kubotsu Lighthouse

Fl W 15s🇯🇵Kōchi (Southern Shikoku), JPOperational

Location & Light Range

About Kubotsu Lighthouse

Kubotsu Lighthouse emits a white light that flashes once every 15 seconds. It has a focal height of 51 meters above sea level. The lighthouse provides a geographic range of 21 nautical miles. This light guides vessels navigating the waters off southern Shikoku.

Light & Optic

Characteristic Signature
Fl W 15s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Fl.W. period 15s
Focal Height
51m
Geographic Range
21NM

References & Identifiers

Admiralty No.
M5601.6
NGA No.
10276

Location

City
Kōchi (Southern Shikoku)
Country
🇯🇵JP
Latitude
32.7866°
Longitude
133.0019°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Kubotsu Lighthouse at night?+
Kubotsu displays the characteristic Fl W 15s — 1 white flash every 15 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 Kubotsu Lighthouse guide vessels into?+
Kubotsu Lighthouse assists vessels approaching 5 nearby ports. The closest is Tosashimizu at 2.1 NM to the WSW. Other ports served include Ashizuri (3.2 NM W), Kozukushi (15.4 NM WNW), Ozuku (15.5 NM WNW), Sukumowan (16.4 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kubotsu Lighthouse still active and maintained?+
Yes, Kubotsu 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 Kubotsu Lighthouse?+
Kubotsu 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 Kubotsu Lighthouse?+
You can track vessels near Kubotsu 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.