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Ohiru Shima Lighthouse

Fl W 5s🇯🇵Okayama and Hiroshima, JPOperational

Location & Light Range

About Ohiru Shima Lighthouse

Ohiru Shima Lighthouse is a maritime navigation aid located in Okayama and Hiroshima, JP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 35 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl W 5s. This means the light produces 1 flash every 5 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light displays a white signal, the most common color for major coastal lights.

Position: Ohiru Shima Lighthouse is positioned at 34.5123°N, 134.0156°E, near Okayama and Hiroshima in JP.

Geographic context: Ohiru Shima Lighthouse is situated on the Sea of Japan, within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. The location falls within the subtropical climate zone with mild winters and warm summers.

Nearby lighthouses in JP: Other lighthouses in the region include Abashiri East Breakwater, Abashiri Island Breakwater North End, Abashiri North Breakwater, Abashiri South Breakwater East End, Abuka Kō. View all on the Lighthouses Directory.

Nearby Ports

Yamada

JPYQD

2.2 NMN

Ieura

JPIER

2.6 NMESE

Uno

JPUNO

3.3 NMWSW

Naoshima

JPNAS

3.4 NMSSW

Futamado

JPFMD

3.7 NMWSW

Flash Characteristics

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s

Physical Specifications

Focal Height
35m
Light Range
Not available
Status
ACTIVE
City
Okayama and Hiroshima
Country
🇯🇵JP
Latitude
34.5123°
Longitude
134.0156°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ohiru Shima Lighthouse at night?+
Ohiru Shima displays the characteristic Fl W 5s — 1 white flash every 5 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 Ohiru Shima Lighthouse guide vessels into?+
Ohiru Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Yamada at 2.2 NM to the N. Other ports served include Ieura (2.6 NM ESE), Uno (3.3 NM WSW), Naoshima (3.4 NM SSW), Futamado (3.7 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ohiru Shima Lighthouse still active and maintained?+
Yes, Ohiru Shima 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 Ohiru Shima Lighthouse?+
Ohiru Shima 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 Ohiru Shima Lighthouse?+
You can track vessels near Ohiru Shima 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.