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Rukan Syo Lighthouse

Fl (2) W 10s🇯🇵Okinawa, JPOperational

Location & Light Range

About Rukan Syo Lighthouse

This white cylindrical tower stands 22 meters above sea level. It emits two white flashes every 10 seconds. A radar reflector is also mounted on the structure. The light has a geographic range of 12 nautical miles.

Light & Optic

Characteristic Signature
Fl (2) W 10s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
10s
Raw Code
Fl.(2)W. period 10s
Focal Height
22m
Geographic Range
12NM

Location

City
Okinawa
Country
🇯🇵JP
Latitude
26.1110°
Longitude
127.5314°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
cylindrical
Tower Color
white

Structure: White cylindrical tower. Radar reflector

References & Identifiers

Admiralty No.
M4746
NGA No.
13368
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Frequently Asked Questions

How do mariners identify Rukan Syo Lighthouse at night?+
Rukan Syo displays the characteristic Fl (2) W 10s — 2 white flashes every 10 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 Rukan Syo Lighthouse guide vessels into?+
Rukan Syo Lighthouse assists vessels approaching 5 nearby ports. The closest is Tokashiki at 10.1 NM to the WNW. Other ports served include Naha, Okinawa (10.3 NM NE), Ginowan (10.4 NM NE), Zamami (14.2 NM WNW), Nishihara (15.8 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Rukan Syo Lighthouse still active and maintained?+
Yes, Rukan Syo 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 Rukan Syo Lighthouse?+
You can track vessels near Rukan Syo 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.