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Naga Shima Lighthouse

Fl W 3s🇯🇵Okinawa, JPOperational

Location & Light Range

About Naga Shima Lighthouse

This lighthouse stands as a 24-meter square concrete tower, painted white, with a focal height of 26 meters. Its light emits an isophase white, red, and green signal on a 6-second cycle. The tower's construction was completed in 2021, and it became operational that same year. It is located near Okinawa, on the island of Naga Shima, accessible primarily by boat. The structure is a square concrete tower reaching a height of 24 meters.

Light & Optic

Characteristic Signature
Fl W 3s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
3s
Raw Code
Iso.W.R.G. period 6s
Focal Height
26m
Geographic Range
7NM

Construction & History

Year Built
2021

References & Identifiers

Admiralty No.
M5259
NGA No.
12624
ARLHS No.
JPN-160

Tower & Structure

Tower Height
24m
Tower Shape
square
Tower Color
white
Material
concrete

Structure: White square concrete tower; 24

Location

City
Okinawa
Country
🇯🇵JP
Latitude
26.5196°
Longitude
128.0614°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Naga Shima Lighthouse at night?+
Naga Shima displays the characteristic Fl W 3s — 1 white flash every 3 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 Naga Shima Lighthouse guide vessels into?+
Naga Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Nago at 6.4 NM to the NW. Other ports served include Kin (8.9 NM WSW), Unten (10 NM NNW), Fuchinomoto (10.7 NM SW), Kuchinofukuura (10.7 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Naga Shima Lighthouse still active and maintained?+
Yes, Naga 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 Naga Shima Lighthouse?+
You can track vessels near Naga 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.