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Omisaki Lighthouse

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

Location & Light Range

About Omisaki Lighthouse

This lighthouse features a 26-meter cylindrical metal tower, painted white with distinctive red bands. An attached dwelling is part of the structure. The light emitted a single white flash every 6 seconds. The focal height of the light is 69 meters, providing a geographic range of 20 nautical miles. This station is no longer operational.

Light & Optic

Characteristic Signature
Fl W 6s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
6s
Raw Code
Fl.W. period 6s
Focal Height
69m
Light Range
20NM (37.0 km)
Geographic Range
20NM

Location

City
Honshu-Northwest Coast
Country
🇯🇵JP
Latitude
35.1889°
Longitude
132.4189°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
26m
Tower Shape
cylindrical
Tower Color
white and red
Material
metal

Structure: White cylindrical metal tower, red banded, attached dwelling; 26

References & Identifiers

Admiralty No.
M7342
NGA No.
1888
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Frequently Asked Questions

How far offshore can Omisaki Lighthouse be seen?+
With a focal height of 69 meters and a nominal range of 20 nautical miles (approximately 37.0 km), Omisaki is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. Lights of this range are typically used as landfall lights by vessels approaching from the open sea.
How do mariners identify Omisaki Lighthouse at night?+
Omisaki displays the characteristic Fl 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 Omisaki Lighthouse guide vessels into?+
Omisaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Takuno at 1.5 NM to the SSW. Other ports served include Nima (2 NM SSW), Amiya (3.2 NM SSW), Yunotsu (6.8 NM SW), Taisha (17.6 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Omisaki Lighthouse still active and maintained?+
Omisaki 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 Omisaki Lighthouse?+
Omisaki 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 Omisaki Lighthouse?+
You can track vessels near Omisaki 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.