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Kai Se Lighthouse

Fl White 3s🇯🇵Matsuura, JPOperational

Kai Se lighthouse is a white, cylindrical concrete tower standing 12 meters tall, with a focal height of 15 meters. Its unique structure resembles a round barbell. Situated on a reef off the harbor of Takashima, near Matsuura city, it emits a single white flash every three seconds. This light has a geographic range of 11.9 nautical miles, guiding vessels through the waters. The lighthouse is located 2.4 kilometers from Hoshika, the nearest port.

Why it matters: This lighthouse warns vessels of the reef off the harbor of Takashima, ensuring safe passage for ships approaching or departing the area.

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
15m
Geographic Range
11.9NM
City
Matsuura
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
A reef off the harbor of Takashima
Latitude
33.4621°
Longitude
129.7435°
Flag
Type
Name
Dist.
Tower Height
12m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round barbell-shaped concrete tower

Nearest Port
Hoshika(2.4 km)
Admiralty No.
M5254.8
NGA No.
12100
ARLHS No.
JPN-2193
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How do mariners identify Kai Se Lighthouse at night?+
Kai Se displays the characteristic Fl White 3s. 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Kai Se Lighthouse guide vessels into?+
Kai Se Lighthouse assists vessels approaching 5 nearby ports. The closest is Fukushima, Nagasaki at 7.3 NM to the SSE. Other ports served include Yobuko (8.9 NM ENE), Tobo (9.6 NM E), Tabira (10.3 NM SW), Hirado (10.9 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kai Se Lighthouse still active and maintained?+
Yes, Kai Se 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 Kai Se Lighthouse?+
Kai Se 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 Kai Se Lighthouse?+
You can track vessels near Kai Se 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.