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Kahi Shima Lighthouse

Fl W 4s🇯🇵Okinawa, JPOperational

Location & Light Range

About Kahi Shima Lighthouse

Kahi Shima Lighthouse is an operational aid on Okinawa. It stands 43 meters above sea level. The lighthouse emits a white light with a single flash every 4 seconds.

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
43m
Geographic Range
5NM

References & Identifiers

Admiralty No.
M4739.6
NGA No.
13468

Location

City
Okinawa
Country
🇯🇵JP
Latitude
26.2193°
Longitude
127.2838°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Kahi Shima Lighthouse at night?+
Kahi 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 Kahi Shima Lighthouse guide vessels into?+
Kahi Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Zamami at 1 NM to the ENE. Other ports served include Tokashiki (4.9 NM ESE), Naha, Okinawa (20.8 NM E), Ginowan (21.5 NM E), Nishihara (27.8 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kahi Shima Lighthouse still active and maintained?+
Yes, Kahi 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.
How can I track vessels near Kahi Shima Lighthouse?+
You can track vessels near Kahi 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.