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Onozowai Lighthouse

Fl (2) Red 8s🇯🇵Fukuyama, JPOperational

Location & Light Range

About Onozowai Lighthouse

Also known as: Onozowai (Ono Zowai)

The Onozowai lighthouse is a red, cylindrical concrete structure 10 meters high, with the light at a focal height of 10 meters. It is mounted on a concrete pier and is set on a reef off the north coast of Tajima, near Fukuyama, Hiroshima Prefecture. The light shows one red flash every 8 seconds (Fl R 8s) and has a range of 10.4 nautical miles. The nearest port is Tsuneishi, 0.3 kilometers distant.

Why it matters: This navigation aid marks a reef on the north coast of Tajima, providing a warning to vessels.

Light & Optic

Characteristic Signature
Fl (2) Red 8s
Flash Type
Flashing
Light Color
Red
Flash Count
2 flashes
Interval
8s
Raw Code
Fl R 8s
Focal Height
10m
Geographic Range
10.4NM

Location

City
Fukuyama
Country
🇯🇵Japan
Region
Hiroshima Prefecture
Sea Region
reef off the north coast of Tajima
Latitude
34.3761°
Longitude
133.3037°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower, mounted on a concrete pier

References & Identifiers

Nearest Port
Tsuneishi(0.3 km)
Admiralty No.
M5727
NGA No.
8436
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Frequently Asked Questions

How do mariners identify Onozowai Lighthouse at night?+
Onozowai displays the characteristic Fl (2) Red 8s — 2 red flashes 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. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Onozowai Lighthouse guide vessels into?+
Onozowai Lighthouse assists vessels approaching 5 nearby ports. The closest is Tsuneishi at 0.8 NM to the NNW. Other ports served include Yokota, Hiroshima (1.5 NM SSW), OnomichiItozaki (6.5 NM WNW), Itozaki (6.8 NM W), Nomi (6.8 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Onozowai Lighthouse still active and maintained?+
Yes, Onozowai 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 Onozowai Lighthouse?+
Onozowai 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 Onozowai Lighthouse?+
You can track vessels near Onozowai 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.