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Jwasarido Lighthouse

Fl W 4s🇰🇷Tongyeong Area, KROperational

Location & Light Range

About Jwasarido Lighthouse

Jwasarido Lighthouse is a white, octagonal concrete tower standing 43 meters tall. The structure's focal height reaches 58 meters above sea level. Its white light flashes once every 4 seconds, providing a geographic range of 10 nautical miles. This light is positioned within the Tongyeong Area.

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
58m
Geographic Range
10NM

Location

City
Tongyeong Area
Country
🇰🇷KR
Latitude
34.5586°
Longitude
128.3422°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
43m
Tower Shape
octagonal
Tower Color
white
Material
concrete

Structure: White octagonal concrete tower; 43

References & Identifiers

Admiralty No.
M4322.7
NGA No.
16868
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Frequently Asked Questions

How do mariners identify Jwasarido Lighthouse at night?+
Jwasarido 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 Jwasarido Lighthouse guide vessels into?+
Jwasarido Lighthouse assists vessels approaching 5 nearby ports. The closest is Kukdo at 4.8 NM to the ESE. Other ports served include Junghwa (13.5 NM N), Tongyeong (17 NM NNE), Geoje (21.2 NM NE), Anjeong (23.6 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Jwasarido Lighthouse still active and maintained?+
Yes, Jwasarido 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.
What shipping routes pass near Jwasarido Lighthouse?+
Jwasarido Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Jwasarido Lighthouse?+
You can track vessels near Jwasarido 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.