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Uomachinohana Lighthouse

Iso W 6s🇯🇵Honshu-Northwest Coast, JPInactive

Location & Light Range

About Uomachinohana Lighthouse

This lighthouse features a cylindrical fiberglass tower, standing 13 meters tall. Its exterior is painted white with red bands encircling the structure. The light source is positioned at a focal height of 34 meters above the water. The lighthouse displays an isophase white light, emitting a single flash every 6 seconds. It has a geographic range of 12 nautical miles and is not currently operational.

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
34m
Light Range
12NM (22.2 km)
Geographic Range
12NM

Location

City
Honshu-Northwest Coast
Country
🇯🇵JP
Latitude
34.7551°
Longitude
131.8655°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
13m
Tower Shape
cylindrical
Tower Color
white and red
Material
fiberglass

Structure: White glass reinforced plastic(grp) fiberglass tower, red banded; 13

References & Identifiers

Admiralty No.
M7354
NGA No.
1812
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Frequently Asked Questions

How far offshore can Uomachinohana Lighthouse be seen?+
With a focal height of 34 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Uomachinohana 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 Uomachinohana Lighthouse at night?+
Uomachinohana 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 Uomachinohana Lighthouse guide vessels into?+
Uomachinohana Lighthouse assists vessels approaching 5 nearby ports. The closest is Misumi, Shimane at 3.6 NM to the ENE. Other ports served include Masuda, Shimane (4.5 NM SSW), Yoshiura (7 NM NE), Hamada (11.6 NM NE), Esaki (12.8 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Uomachinohana Lighthouse still active and maintained?+
Uomachinohana 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 Uomachinohana Lighthouse?+
Uomachinohana 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 Uomachinohana Lighthouse?+
You can track vessels near Uomachinohana 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.