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Tomari Lighthouse

Fl W 4s🇯🇵Honshu-Northwest Coast, JPInactive

Location & Light Range

About Tomari Lighthouse

This former lighthouse on Honshu's Northwest Coast features a cylindrical concrete tower standing 11 meters high. The structure is painted in alternating white and red bands. Its focal plane reached 35 meters above sea level. The light emitted a fixed white signal. The lighthouse is no longer operational.

Light & Optic

Characteristic Signature
Fl W 4s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
F.W.
Focal Height
35m
Light Range
12NM (22.2 km)
Geographic Range
4NM

Location

City
Honshu-Northwest Coast
Country
🇯🇵JP
Latitude
35.5163°
Longitude
133.9395°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
white and red
Material
concrete

Structure: Cylindrical mast; 11

References & Identifiers

Admiralty No.
M7289.2
NGA No.
2236
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Frequently Asked Questions

How far offshore can Tomari Lighthouse be seen?+
With a focal height of 35 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Tomari 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 Tomari Lighthouse at night?+
Tomari 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 Tomari Lighthouse guide vessels into?+
Tomari Lighthouse assists vessels approaching 5 nearby ports. The closest is Tottori at 12.5 NM to the E. Other ports served include Tajiri, Tottori (19.1 NM ENE), Hamasaka (25.8 NM ENE), Mihonoseki (30.9 NM W), YONAGO (31 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tomari Lighthouse still active and maintained?+
Tomari Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
What shipping routes pass near Tomari Lighthouse?+
Tomari 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 Tomari Lighthouse?+
You can track vessels near Tomari 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.