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Tateisi Saki Lighthouse

Iso W 6s🇯🇵Northern Kyūshū, JPOperational

Location & Light Range

About Tateisi Saki Lighthouse

This latticed tower, painted white, stands 85 meters tall. Its focal height reaches 31 meters above sea level. The lighthouse emits an isophase white light, with a 6-second cycle. It has a geographic range of 5 nautical miles. This structure is located in Northern Kyūshū.

Light & Optic

Characteristic Signature
Iso W 6s
Flash Type
Isophase
Light Color
White
Flash Count
1 flash
Interval
6s
Raw Code
Iso.W. period 6s
Focal Height
31m
Geographic Range
5NM

Location

City
Northern Kyūshū
Country
🇯🇵JP
Latitude
33.5673°
Longitude
129.8826°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
85m
Tower Shape
latticed
Tower Color
white

Structure: Latticed tower; 85. Emergency

References & Identifiers

Admiralty No.
M5265.8
NGA No.
12216
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Frequently Asked Questions

How do mariners identify Tateisi Saki Lighthouse at night?+
Tateisi Saki displays the characteristic Iso W 6s — 1 white flash every 6 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 Tateisi Saki Lighthouse guide vessels into?+
Tateisi Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Yobuko at 1.6 NM to the SSE. Other ports served include Tobo (5.6 NM SSE), Karatsu (6.6 NM SE), Fukushima, Nagasaki (13.7 NM SSW), Kafuri (13.8 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tateisi Saki Lighthouse still active and maintained?+
Yes, Tateisi 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 Tateisi Saki Lighthouse?+
Tateisi 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 Tateisi Saki Lighthouse?+
You can track vessels near Tateisi 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.