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Naha Sinkō Breakwater South End Lighthouse

Fl Green 4s🇯🇵Naha, JPOperational

Location & Light Range

About Naha Sinkō Breakwater South End Lighthouse

This concrete lighthouse, built in 1979, is a white, round cylindrical tower with a lantern and gallery, standing 19 meters tall. Its focal plane is 22 meters above sea level, and it emits a green flash every 4 seconds. The light provides a geographic range of 13.6 nautical miles. It marks the southern end of the detached main breakwater for Naha Sinkō, a new harbor on the north side of Naha, Okinawa. Evidence suggests the breakwater may have been shorter in 2008, indicating ongoing development of the harbor.

Why it matters: This light is essential for guiding vessels safely into Naha Sinkō and marks the south end of the detached main breakwater, preventing ships from striking this barrier.

Light & Optic

Characteristic Signature
Fl Green 4s
Flash Type
Flashing
Light Color
Green
Interval
4s
Raw Code
Fl G 4s
Focal Height
22m
Geographic Range
13.6NM

Construction & History

First Lit
1979

Significant events: earlier, shorter version of breakwater in 2008

References & Identifiers

Nearest Port
Naha, Okinawa(0.8 km)
ARLHS No.
JPN-2614

Tower & Structure

Tower Height
19m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

Location

City
Naha
Country
🇯🇵Japan
Region
Okinawa Prefecture
Sea Region
Naha Sinkō, a new harbor on the north side of Naha, Okinawa, marking the south end of its detached main breakwater.
Latitude
26.2241°
Longitude
127.6514°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Naha Sinkō Breakwater South End Lighthouse at night?+
Naha Sinkō Breakwater South End displays the characteristic Fl Green 4s. 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. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Naha Sinkō Breakwater South End Lighthouse guide vessels into?+
Naha Sinkō Breakwater South End Lighthouse assists vessels approaching 5 nearby ports. The closest is Naha, Okinawa at 1 NM to the ENE. Other ports served include Ginowan (1.8 NM ESE), Nishihara (8 NM E), Tokujin (8 NM E), KinNakagusuku (11.9 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Naha Sinkō Breakwater South End Lighthouse still active and maintained?+
Yes, Naha Sinkō Breakwater South End 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 Naha Sinkō Breakwater South End Lighthouse?+
You can track vessels near Naha Sinkō Breakwater South End 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.