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Tsu Lighthouse

Occ W 8s🇯🇵Nagasaki Area, JPOperational

Location & Light Range

About Tsu Lighthouse

This white, round tower stands 63 meters tall, with its light positioned 49 meters above sea level. The lighthouse emits a single white flash every 4 seconds. Its visibility extends across a sector from 025 degrees to 334 degrees, guiding vessels in the Nagasaki area. The structure itself presents a simple, functional design.

Light & Optic

Characteristic Signature
Occ W 8s
Flash Type
Occ
Light Color
White
Flash Count
1 flash
Interval
8s
Raw Code
Fl.W. period 4s
Focal Height
49m
Geographic Range
5NM

Location

City
Nagasaki Area
Country
🇯🇵JP
Latitude
33.3987°
Longitude
129.6734°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
63m
Tower Shape
round
Tower Color
white

Structure: White round tower; 63. Visible 025°-334°. Fl.R. period 5s 11 Shown when entry into

References & Identifiers

Admiralty No.
M5254
NGA No.
12084
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Frequently Asked Questions

How do mariners identify Tsu Lighthouse at night?+
Tsu displays the characteristic Occ W 8s — 1 white flash every 8 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 Tsu Lighthouse guide vessels into?+
Tsu Lighthouse assists vessels approaching 5 nearby ports. The closest is Tabira at 5.3 NM to the WSW. Other ports served include Emukae (6.1 NM SSW), Hirado (6.1 NM WSW), Fukushima, Nagasaki (7 NM ESE), Shikamachi (8.8 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tsu Lighthouse still active and maintained?+
Yes, Tsu 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 Tsu Lighthouse?+
Tsu 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 Tsu Lighthouse?+
You can track vessels near Tsu 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.