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Oga City Lighthouses Lighthouse

Oc Green 4s🇯🇵Oga, JPOperational

Location & Light Range

About Oga City Lighthouses Lighthouse

This white, cylindrical concrete tower stands 14 meters tall on the end of the outer breakwater at the Akita National Oil Terminal. Its lantern and gallery complete the structure, which has a focal height of 15 meters. The lighthouse emits an occulting green light, appearing for two seconds and then off for two seconds. It has a geographic range of 11.9 nautical miles. The nearest port, Funakawa, is 0.2 kilometers away.

Why it matters: This lighthouse is indispensable for the safe operation of the Akita National Oil Terminal, guiding large tankers and cargo ships through the breakwater entrance and warning them of the physical end of the structure.

Light & Optic

Characteristic Signature
Oc Green 4s
Flash Type
Occulting
Light Color
Green
Interval
4s
Raw Code
Oc G 4s
Focal Height
15m
Geographic Range
11.9NM

Location

City
Oga
Country
🇯🇵Japan
Region
Akita Prefecture
Sea Region
end of the outer breakwater at the Akita National Oil Terminal
Latitude
39.8742°
Longitude
139.8657°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
14m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

References & Identifiers

Nearest Port
Funakawa(0.2 km)
ARLHS No.
JPN-1029
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Frequently Asked Questions

How do mariners identify Oga City Lighthouses Lighthouse at night?+
Oga City Lighthouses displays the characteristic Oc Green 4s. 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 Oga City Lighthouses Lighthouse guide vessels into?+
Oga City Lighthouses Lighthouse assists vessels approaching 5 nearby ports. The closest is Funakawa at 0.2 NM to the SSE. Other ports served include Akitafunagawa (0.5 NM WNW), Funagawa (0.9 NM NW), Akita (11.2 NM SE), Noshiro (20.8 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Oga City Lighthouses Lighthouse still active and maintained?+
Yes, Oga City Lighthouses 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 Oga City Lighthouses Lighthouse?+
Oga City Lighthouses 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 Oga City Lighthouses Lighthouse?+
You can track vessels near Oga City Lighthouses 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.