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Myogashima Lighthouse

Fl W 3s🇯🇵Honshu-South Coast, JPOperational

Location & Light Range

About Myogashima Lighthouse

This lighthouse features a metal mast tower painted white and black. A white diamond daymark with a black band distinguishes the structure. The light emits two red flashes every 6 seconds. Its focal height reaches 16 meters above sea level, providing a geographic range of 6 nautical miles. The structure stands on the Honshu-South Coast.

Light & Optic

Characteristic Signature
Fl W 3s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
3s
Raw Code
Fl.(2)R. period 6s
Focal Height
16m
Light Range
4NM (7.4 km)
Geographic Range
6NM

Location

City
Honshu-South Coast
Country
🇯🇵JP
Latitude
33.4596°
Longitude
135.7964°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
mast
Tower Color
white and black
Material
metal

Structure: White diamond (rhombus) daymark black band

References & Identifiers

Admiralty No.
M5996.4
NGA No.
6748
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Frequently Asked Questions

How far offshore can Myogashima Lighthouse be seen?+
With a focal height of 16 meters and a nominal range of 4 nautical miles (approximately 7.4 km), Myogashima is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Myogashima Lighthouse at night?+
Myogashima 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 Myogashima Lighthouse guide vessels into?+
Myogashima Lighthouse assists vessels approaching 5 nearby ports. The closest is KUSHIMOTO at 0.6 NM to the NNW. Other ports served include Fukuro (1.6 NM NW), Sue (1.8 NM E), Katsuura, Wakayama (12.5 NM NE), Shingu (15.8 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Myogashima Lighthouse still active and maintained?+
Yes, Myogashima 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 Myogashima Lighthouse?+
Myogashima 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 Myogashima Lighthouse?+
You can track vessels near Myogashima 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.