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Hiwasa Kō North Breakwater Lighthouse

F (2) Red 10s🇯🇵Minami, JPOperational

Location & Light Range

About Hiwasa Kō North Breakwater Lighthouse

This concrete post structure, painted red, stands 8.5 meters tall and was built in 1966. It is attached to a single-story concrete equipment shelter and emits two red flashes every 10 seconds from a focal height of 10 meters. The lighthouse marks the end of Hiwasa's north breakwater, guiding vessels into the port. Its geographic range is approximately 10.4 nautical miles. The site is accessible, allowing visitors to approach the structure, though the tower itself is closed to the public. The nearest port, Hiwasa, is only 0.2 kilometers away.

Why it matters: This lighthouse is critical for local fishing boats and small commercial vessels navigating the entrance to Hiwasa Port, warning them of the northern breakwater to prevent groundings and collisions.

Light & Optic

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

Construction & History

Year Built
1966

Significant events: Built 1966

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
8.5m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: A 8.5m concrete post attached to a square 1-story concrete equipment shelter, painted red.

Location

City
Minami
Country
🇯🇵Japan
Region
Tokushima Prefecture
Sea Region
end of the short north breakwater of Hiwasa
Latitude
33.7319°
Longitude
134.5406°

References & Identifiers

Nearest Port
Hiwasa(0.2 km)
Admiralty No.
M5578.8
NGA No.
10004
ARLHS No.
JPN-2532
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Frequently Asked Questions

How do mariners identify Hiwasa Kō North Breakwater Lighthouse at night?+
Hiwasa Kō North Breakwater displays the characteristic F (2) Red 10s — 2 red flashes every 10 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 Hiwasa Kō North Breakwater Lighthouse guide vessels into?+
Hiwasa Kō North Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Hiwasa at 0.2 NM to the E. Other ports served include Yuki (3.2 NM NE), Yuki (3.5 NM NE), Anan (10.2 NM NE), Asakawa (10.4 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hiwasa Kō North Breakwater Lighthouse still active and maintained?+
Yes, Hiwasa Kō North Breakwater 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 Hiwasa Kō North Breakwater Lighthouse?+
Hiwasa Kō North Breakwater 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 Hiwasa Kō North Breakwater Lighthouse?+
You can track vessels near Hiwasa Kō North Breakwater 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.