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Hiyoshibaru Anchorage East Breakwater Lighthouse

Iso Green 6s🇯🇵Oita, JPOperational

Location & Light Range

About Hiyoshibaru Anchorage East Breakwater Lighthouse

This cylindrical concrete tower stands 19 meters tall on a detached breakwater marking the easternmost harbor of the Ōita metropolitan area. Its lantern, topped with a traditional tall dunce cap roof, houses the light. The lighthouse has a focal height of 18 meters and emits an isophase green light on a 6-second cycle, visible for 12.7 nautical miles. The structure is painted white. Access to the site and tower is restricted, with the lighthouse only reachable by boat.

Why it matters: This light clearly marks the detached breakwater at the edge of the easternmost harbor of the Ōita metropolitan area, guiding vessels entering and exiting the port.

Light & Optic

Characteristic Signature
Iso Green 6s
Flash Type
Isophase
Light Color
Green
Interval
6s
Raw Code
Iso G 6s
Focal Height
18m
Geographic Range
12.7NM

Location

City
Oita
Country
🇯🇵Japan
Region
Oita Prefecture
Sea Region
Located on a detached breakwater at the end of the easternmost harbor of the Ōita metropolitan area.
Latitude
33.2580°
Longitude
131.7708°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
19m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery; the lantern carries a traditional tall dunce cap roof

References & Identifiers

Nearest Port
Saganoseki(4.7 km)
Admiralty No.
M4947.08
NGA No.
9322
ARLHS No.
JPN-2309
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Frequently Asked Questions

How do mariners identify Hiyoshibaru Anchorage East Breakwater Lighthouse at night?+
Hiyoshibaru Anchorage East Breakwater displays the characteristic Iso Green 6s. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Hiyoshibaru Anchorage East Breakwater Lighthouse guide vessels into?+
Hiyoshibaru Anchorage East Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Saganoseki at 5.1 NM to the E. Other ports served include Oita (5.2 NM W), Usuki (8.1 NM SSE), Morie (11.1 NM NNW), Tsukumi (11.7 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hiyoshibaru Anchorage East Breakwater Lighthouse still active and maintained?+
Yes, Hiyoshibaru Anchorage East 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 Hiyoshibaru Anchorage East Breakwater Lighthouse?+
Hiyoshibaru Anchorage East 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 Hiyoshibaru Anchorage East Breakwater Lighthouse?+
You can track vessels near Hiyoshibaru Anchorage East 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.