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Ōita Kō West Breakwater Lighthouse

F Red 3s🇯🇵Oita, JPOperational

Location & Light Range

About Ōita Kō West Breakwater Lighthouse

This lighthouse marks the end of the west breakwater at Otozu, on the western side of Ōita city. The structure is a red, cylindrical concrete tower, 10 meters high, with a focal height of 18 meters. It emits a single red flash every 3 seconds and has a geographic range of 12.7 nautical miles. The lighthouse is situated at the terminus of a breakwater extending into the bay, guiding vessels into a newer harbor.

Why it matters: This light specifically warns of the breakwater's end, preventing collisions and ensuring safe entry into Ōita's newer harbor.

Light & Optic

Characteristic Signature
F Red 3s
Flash Type
Fixed
Light Color
Red
Interval
3s
Raw Code
F.Fl R 3s
Focal Height
18m
Geographic Range
12.7NM

Location

City
Oita
Country
🇯🇵Japan
Region
Oita Prefecture
Sea Region
Located at the end of the west breakwater of a newer harbor at Otozu, on the west side of Ōita, the prefectural capital.
Latitude
33.2513°
Longitude
131.5873°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

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

Structure: round strongly conical concrete tower with lantern and gallery

References & Identifiers

Nearest Port
Oita(3.7 km)
Admiralty No.
M4951
NGA No.
9392
ARLHS No.
JPN-2324
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Frequently Asked Questions

How do mariners identify Ōita Kō West Breakwater Lighthouse at night?+
Ōita Kō West Breakwater displays the characteristic F Red 3s. 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 Ōita Kō West Breakwater Lighthouse guide vessels into?+
Ōita Kō West Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Oita at 4 NM to the E. Other ports served include Beppushinko (5.3 NM NW), Beppu, Oita (5.3 NM NW), Hiji (5.3 NM NW), Kitsuki (10 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ōita Kō West Breakwater Lighthouse still active and maintained?+
Yes, Ōita Kō West 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 Ōita Kō West Breakwater Lighthouse?+
Ōita Kō West 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 Ōita Kō West Breakwater Lighthouse?+
You can track vessels near Ōita Kō West 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.