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Ōsaka North Harbor Entrance Lighthouse

F Green🇯🇵Osaka, JPOperational

Location & Light Range

About Ōsaka North Harbor Entrance Lighthouse

Also known as: #Ōsaka North Harbor Entrance

A 5-meter white tower stands at the junction of channels within Osaka's North Harbor. This structure, first lit in 2018, exhibits a continuous green light with a more intense flash every 3 seconds. Its focal plane is 9 meters above sea level, providing a geographic range of 10 nautical miles. The current light replaced an earlier structure in November 2018. It marks a channel junction in the North Harbor area of Osaka Prefecture, Japan.

Why it matters: This light is essential for the safe navigation of commercial vessels and other maritime traffic moving through the Ōsaka North Harbor, delineating a critical channel junction.

Light & Optic

Characteristic Signature
F Green
Flash Type
Fixed
Light Color
Green
Raw Code
F G
Focal Height
9m
Geographic Range
10NM

Construction & History

Year Built
2018

Significant events: Replaced in November 2018

References & Identifiers

Nearest Port
Osaka(2.2 km)

Tower & Structure

Tower Height
5m
Tower Color
white

Structure: white tower (focal plane 9 m (30 ft); continuous green light with a more intense flash every 3 s)

Location

City
Osaka
Country
🇯🇵Japan
Region
Osaka Prefecture
Sea Region
North Harbor, Japan, marking a channel junction
Latitude
34.6506°
Longitude
135.4140°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ōsaka North Harbor Entrance Lighthouse at night?+
Ōsaka North Harbor Entrance displays the characteristic F Green. 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 Ōsaka North Harbor Entrance Lighthouse guide vessels into?+
Ōsaka North Harbor Entrance Lighthouse assists vessels approaching 5 nearby ports. The closest is Osaka, Tottori at 1 NM to the E. Other ports served include Amagasaki (3.3 NM NNW), Nishinomiya (3.3 NM NNW), AmagasakiNishinomiyaAshiya (4 NM N), Osaka (4.4 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ōsaka North Harbor Entrance Lighthouse still active and maintained?+
Yes, Ōsaka North Harbor Entrance 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 Ōsaka North Harbor Entrance Lighthouse?+
Ōsaka North Harbor Entrance 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 Ōsaka North Harbor Entrance Lighthouse?+
You can track vessels near Ōsaka North Harbor Entrance 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.