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Tsushimase Lighthouse

Iso W 8s🇯🇵Gotō Islands, JPOperational

Location & Light Range

About Tsushimase Lighthouse

This lighthouse stands on the Gotō Islands. It features a white, square tower constructed from masonry, rising to a height of 59 meters. The light originates from a focal height of 29 meters above sea level. Its operational status ensures a white light is emitted with a single flash every 3 seconds. The lighthouse has a geographic range of 12 nautical miles.

Light & Optic

Characteristic Signature
Iso W 8s
Flash Type
Isophase
Light Color
White
Flash Count
1 flash
Interval
8s
Raw Code
Fl.W. period 3s
Focal Height
29m
Geographic Range
12NM

Location

City
Gotō Islands
Country
🇯🇵JP
Latitude
33.3016°
Longitude
129.1255°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
59m
Tower Shape
square
Tower Color
white
Material
masonry

Structure: White framework tower; 59

References & Identifiers

Admiralty No.
M5017.8
NGA No.
12716
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Frequently Asked Questions

How do mariners identify Tsushimase Lighthouse at night?+
Tsushimase displays the characteristic Iso 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 Tsushimase Lighthouse guide vessels into?+
Tsushimase Lighthouse assists vessels approaching 5 nearby ports. The closest is Ikitsuki at 16.2 NM to the ENE. Other ports served include Tsuyoshi (17.3 NM ESE), Aokata (19.3 NM S), Arikawa (19.3 NM S), Enokizu (19.3 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tsushimase Lighthouse still active and maintained?+
Yes, Tsushimase 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 Tsushimase Lighthouse?+
Tsushimase 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 Tsushimase Lighthouse?+
You can track vessels near Tsushimase 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.