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Takasaki Lighthouse

Occ W 4s🇯🇵Seto Naikai Eastern, JPOperational

Location & Light Range

About Takasaki Lighthouse

The Takasaki Lighthouse is a 52-meter tall triangular latticed tower. It features a red trapezium daymark and a white stripe. This lighthouse emits an occulting white light on a 4-second cycle. Its focal height is 28 meters, and it has a geographic range of 8 nautical miles. The tower itself is painted white and red.

Light & Optic

Characteristic Signature
Occ W 4s
Flash Type
Occ
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
Oc.W. period 4s
Focal Height
28m
Light Range
8NM (14.8 km)
Geographic Range
8NM

Location

City
Seto Naikai Eastern
Country
🇯🇵JP
Latitude
34.2767°
Longitude
134.9571°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
52m
Tower Shape
triangular
Tower Color
white and red

Structure: Triangular latticed tower, red trapezium daymark, white stripe; 52

References & Identifiers

Admiralty No.
M5815
NGA No.
7520
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Frequently Asked Questions

How far offshore can Takasaki Lighthouse be seen?+
With a focal height of 28 meters and a nominal range of 8 nautical miles (approximately 14.8 km), Takasaki 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 Takasaki Lighthouse at night?+
Takasaki displays the characteristic Occ W 4s — 1 white flash every 4 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 Takasaki Lighthouse guide vessels into?+
Takasaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Fuke at 9.2 NM to the ENE. Other ports served include Kainan (9.9 NM ESE), Wakayama (9.9 NM ESE), Tannowa (12 NM ENE), Tsushi (12.1 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Takasaki Lighthouse still active and maintained?+
Yes, Takasaki 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 Takasaki Lighthouse?+
Takasaki 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 Takasaki Lighthouse?+
You can track vessels near Takasaki 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.