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Tsumekisaki Lighthouse

Fl W 4s🇯🇵Honshu-South Coast, JPOperational

Location & Light Range

About Tsumekisaki Lighthouse

Also known as: Tsumekizaki Lighthouse

This lighthouse on Honshu's South Coast features a round, white concrete tower that stands 56 meters high. Its light emits a single white flash every 4 seconds. The operational light has a focal height of 38 meters and a geographic range of 12 nautical miles. The structure is identified by NGA list number 5524 and Admiralty number M6296.

Light & Optic

Characteristic Signature
Fl W 4s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
Fl.W. period 4s
Focal Height
38m
Light Range
12NM (22.2 km)
Geographic Range
12NM

Location

City
Honshu-South Coast
Country
🇯🇵JP
Latitude
34.6587°
Longitude
138.9870°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
56m
Tower Shape
round
Tower Color
white
Material
concrete

Structure: White round concrete tower; 56

References & Identifiers

Admiralty No.
M6296
NGA No.
5524
OpenStreetMap
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Frequently Asked Questions

How far offshore can Tsumekisaki Lighthouse be seen?+
With a focal height of 38 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Tsumekisaki 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 Tsumekisaki Lighthouse at night?+
Tsumekisaki displays the characteristic Fl 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 Tsumekisaki Lighthouse guide vessels into?+
Tsumekisaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Shimoda, Shizuoka at 1.6 NM to the WNW. Other ports served include Inatori (7.5 NM NNE), Matsuzaki (12.1 NM WNW), Tago (14.3 NM NW), Arari (14.8 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tsumekisaki Lighthouse still active and maintained?+
Yes, Tsumekisaki 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 Tsumekisaki Lighthouse?+
Tsumekisaki 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 Tsumekisaki Lighthouse?+
You can track vessels near Tsumekisaki 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.