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Komame Saki Lighthouse

Fl W 4s🇯🇵Kōchi (Southern Shikoku), JPOperational

Location & Light Range

About Komame Saki Lighthouse

Komame Saki lighthouse is situated in Kōchi on Southern Shikoku. It emits a white light with a single flash occurring every 4 seconds. The focal height of the light is 91 meters above sea level. Its geographic range extends to 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
91m
Geographic Range
5NM

References & Identifiers

Admiralty No.
M5608.7
NGA No.
10320

Location

City
Kōchi (Southern Shikoku)
Country
🇯🇵JP
Latitude
32.7863°
Longitude
132.6958°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Komame Saki Lighthouse at night?+
Komame Saki 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 Komame Saki Lighthouse guide vessels into?+
Komame Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Issai at 2.7 NM to the W. Other ports served include Kozukushi (5.9 NM NNE), Ozuku (5.9 NM N), Sukumowan (7.9 NM N), Ikeshima (8 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Komame Saki Lighthouse still active and maintained?+
Yes, Komame Saki 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 Komame Saki Lighthouse?+
Komame Saki 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 Komame Saki Lighthouse?+
You can track vessels near Komame Saki 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.