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Kasarisaki Lighthouse

Fl W 15s🇯🇵Nansei Shoto, JPOperational

Location & Light Range

About Kasarisaki Lighthouse

The Kasarisaki lighthouse is a white, square concrete tower standing 43 meters high. Its focal plane reaches 60 meters above sea level. The structure emits a white flash every 15 seconds, visible for a geographic range of 20 nautical miles. This aid to navigation is located within the Nansei Shoto region.

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
60m
Light Range
20NM (37.0 km)
Geographic Range
20NM

Location

City
Nansei Shoto
Country
🇯🇵JP
Latitude
28.5295°
Longitude
129.6894°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

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

Structure: White square concrete tower; 43

References & Identifiers

Admiralty No.
M4767
NGA No.
13132
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Frequently Asked Questions

How far offshore can Kasarisaki Lighthouse be seen?+
With a focal height of 60 meters and a nominal range of 20 nautical miles (approximately 37.0 km), Kasarisaki 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 Kasarisaki Lighthouse at night?+
Kasarisaki 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 Kasarisaki Lighthouse guide vessels into?+
Kasarisaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Yani at 2.4 NM to the SW. Other ports served include Akakina (4.2 NM SSW), Tatsugo (5.8 NM SW), Ashitoku (7.4 NM SSW), Toguchi (11.4 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kasarisaki Lighthouse still active and maintained?+
Yes, Kasarisaki 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.
How can I track vessels near Kasarisaki Lighthouse?+
You can track vessels near Kasarisaki 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.