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Tsuken Lighthouse

Fl W 4s🇯🇵Okinawa, JPOperational

Location & Light Range

About Tsuken Lighthouse

The Tsuken lighthouse is a green fiberglass mast structure standing 51 meters tall. It is built on a pile and features a topmark. The light emits a white flash every 4 seconds. This port-side navigational aid is located in Okinawa.

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
51m
Geographic Range
12NM

Location

City
Okinawa
Country
🇯🇵JP
Latitude
26.2485°
Longitude
127.9370°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
mast
Tower Color
green
Material
fiberglass

Structure: PORT (IALA B) Green glass reinforced plastic(grp) fiberglass tower, topmark, on pile

References & Identifiers

Admiralty No.
M4752
NGA No.
13316
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Frequently Asked Questions

How do mariners identify Tsuken Lighthouse at night?+
Tsuken 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 Tsuken Lighthouse guide vessels into?+
Tsuken Lighthouse assists vessels approaching 5 nearby ports. The closest is Nakagusuku at 1.5 NM to the NW. Other ports served include KinNakagusuku (6.5 NM NW), Gushikawa (7.2 NM NNW), Nishihara (7.6 NM WSW), Tokujin (7.6 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tsuken Lighthouse still active and maintained?+
Yes, Tsuken 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 Tsuken Lighthouse?+
You can track vessels near Tsuken 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.