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Tigoki Saki Lighthouse

Fl W 5s🇯🇵Northern Honshū, JPOperational

Location & Light Range

About Tigoki Saki Lighthouse

Tigoki Saki is a white, square concrete tower that stands 46 meters tall on Northern Honshū. Its focal height reaches 47 meters above sea level. The lighthouse emits a single white flash every 5 seconds, with a geographic range of 18 nautical miles. This structure serves as a key navigational aid.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W. period 5s
Focal Height
47m
Geographic Range
18NM

Location

City
Northern Honshū
Country
🇯🇵JP
Latitude
40.4142°
Longitude
139.9541°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
46m
Tower Shape
square
Tower Color
white
Material
concrete

Structure: White square concrete tower; 46

References & Identifiers

Admiralty No.
M7055.5
NGA No.
3636
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Frequently Asked Questions

How do mariners identify Tigoki Saki Lighthouse at night?+
Tigoki Saki displays the characteristic Fl W 5s — 1 white flash every 5 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 Tigoki Saki Lighthouse guide vessels into?+
Tigoki Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Noshiro at 12.8 NM to the S. Other ports served include Fukaura, Aomori (14 NM N), Ajigasawa (25 NM NNE), Funagawa (32.2 NM S), Akitafunagawa (32.6 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tigoki Saki Lighthouse still active and maintained?+
Yes, Tigoki Saki 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 Tigoki Saki Lighthouse?+
Tigoki Saki 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 Tigoki Saki Lighthouse?+
You can track vessels near Tigoki Saki 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.