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Kochi Lighthouse

Fl W 5s🇯🇵Shikoku-South coast, JPInactive

Location & Light Range

About Kochi Lighthouse

This lighthouse on Shikoku's south coast exhibits a white light characterized by a single flash occurring every 5 seconds. Its focal height reaches 54 meters, providing a geographic range of 19 nautical miles. The structure is no longer operational.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W. period 5s
Focal Height
54m
Light Range
19NM (35.2 km)
Geographic Range
19NM

References & Identifiers

Admiralty No.
M5594
NGA No.
10152

Location

City
Shikoku-South coast
Country
🇯🇵JP
Latitude
33.4961°
Longitude
133.5729°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Kochi Lighthouse be seen?+
With a focal height of 54 meters and a nominal range of 19 nautical miles (approximately 35.2 km), Kochi is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. Lights of this range are typically used as landfall lights by vessels approaching from the open sea.
How do mariners identify Kochi Lighthouse at night?+
Kochi displays the characteristic Fl W 5s — 1 white flash every 5 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 Kochi Lighthouse guide vessels into?+
Kochi Lighthouse assists vessels approaching 5 nearby ports. The closest is Kochi at 2.6 NM to the N. Other ports served include Usa/Tosa (7.1 NM WSW), Susaki (15.3 NM WSW), Kaminokae (20.9 NM SW), Nahari (22.7 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kochi Lighthouse still active and maintained?+
Kochi Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
What shipping routes pass near Kochi Lighthouse?+
Kochi 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 Kochi Lighthouse?+
You can track vessels near Kochi 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.