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Imamisaki Lighthouse

Fl (2) W 10s🇯🇵Honshu-Northwest Coast, JPOperational

Imamisaki Lighthouse is operational and maintains a focal height of 75 meters above sea level. Its light characteristic consists of two white flashes that repeat every 10 seconds. This light provides a geographic range of 12 nautical miles. The structure is located on the Honshu-Northwest Coast.

Characteristic Signature
Fl (2) W 10s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
10s
Raw Code
Fl.(2)W. period 10s
Focal Height
75m
Light Range
12NM (22.2 km)
Geographic Range
12NM
Admiralty No.
M7388
NGA No.
1620
City
Honshu-Northwest Coast
Country
🇯🇵JP
Latitude
34.4171°
Longitude
131.1314°
Flag
Type
Name
Dist.
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How far offshore can Imamisaki Lighthouse be seen?+
With a focal height of 75 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Imamisaki is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Imamisaki Lighthouse at night?+
Imamisaki displays the characteristic Fl (2) W 10s — 2 white flashes every 10 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 Imamisaki Lighthouse guide vessels into?+
Imamisaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Fukawa at 3 NM to the SE. Other ports served include Senzaki (4.4 NM ESE), Awano (8.8 NM WSW), Kottoi (13.2 NM WSW), Tsunoshima (13.9 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Imamisaki Lighthouse still active and maintained?+
Yes, Imamisaki 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 Imamisaki Lighthouse?+
Imamisaki 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 Imamisaki Lighthouse?+
You can track vessels near Imamisaki 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.