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Megasaki Lighthouse

Fl (2) W 6s🇯🇵Nansei Shoto, JPOperational

This dolphin structure displays a green square daymark. Its white light emits two flashes every six seconds, with a focal height of 67 meters. The lighthouse has a geographic range of 7 nautical miles.

Characteristic Signature
Fl (2) W 6s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
6s
Raw Code
Fl.(2)W. period 6s
Focal Height
67m
Light Range
7NM (13.0 km)
Geographic Range
7NM
City
Nansei Shoto
Country
🇯🇵JP
Latitude
30.4360°
Longitude
130.2637°
Flag
Type
Name
Dist.
Tower Shape
square
Tower Color
green

Structure: Dolphin, green square daymark

Admiralty No.
M4786.6
NGA No.
13084
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How far offshore can Megasaki Lighthouse be seen?+
With a focal height of 67 meters and a nominal range of 7 nautical miles (approximately 13.0 km), Megasaki 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 Megasaki Lighthouse at night?+
Megasaki displays the characteristic Fl (2) W 6s — 2 white flashes every 6 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 Megasaki Lighthouse guide vessels into?+
Megasaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Mugi at 1.2 NM to the NNW. Other ports served include Yumugi (1.2 NM NNW), Iwayadomari (5.7 NM WNW), Kurio (13 NM SE), Yudomari (16.4 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Megasaki Lighthouse still active and maintained?+
Yes, Megasaki 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 Megasaki Lighthouse?+
Megasaki 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 Megasaki Lighthouse?+
You can track vessels near Megasaki 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.