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Shionomisaki Lighthouse

Fl W 15s🇯🇵Honshu-South Coast, JPOperational

Location & Light Range

About Shionomisaki Lighthouse

Shionomisaki Lighthouse, constructed from masonry, began operation in 1870. The square tower measures 22.51 meters in height, with its light positioned 49 meters above sea level. It projects a white light characterized by a single flash every 15 seconds. This structure has a geographic range of 19 nautical miles. The lighthouse is a white square latticed tower.

Light & Optic

Characteristic Signature
Fl W 15s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Fl.W. period 15s
Focal Height
49m
Light Range
19NM (35.2 km)
Geographic Range
19NM

Construction & History

Year Built
1870

References & Identifiers

Admiralty No.
M5994
NGA No.
6776
Wikipedia
Read on Wikipedia →
Wikidata
Q11565692 →

Tower & Structure

Tower Height
22.51m
Tower Shape
square
Tower Color
white
Material
masonry

Structure: Square latticed tower; 43

Location

City
Honshu-South Coast
Country
🇯🇵JP
Latitude
33.4376°
Longitude
135.7544°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Shionomisaki Lighthouse be seen?+
With a focal height of 49 meters and a nominal range of 19 nautical miles (approximately 35.2 km), Shionomisaki is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. Lights of this range are typically used as landfall lights by vessels approaching from the open sea.
How do mariners identify Shionomisaki Lighthouse at night?+
Shionomisaki displays the characteristic Fl W 15s — 1 white flash every 15 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 Shionomisaki Lighthouse guide vessels into?+
Shionomisaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Fukuro at 2.5 NM to the NNE. Other ports served include KUSHIMOTO (2.6 NM NE), Sue (4 NM ENE), SHIMOJI (14.7 NM WNW), Katsuura, Wakayama (14.9 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Shionomisaki Lighthouse still active and maintained?+
Yes, Shionomisaki 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 Shionomisaki Lighthouse?+
Shionomisaki 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 Shionomisaki Lighthouse?+
You can track vessels near Shionomisaki 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.