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Osaka Hokko Lighthouse

Fl (3) R 12s🇯🇵Seto Naikai Eastern, JPOperational

Location & Light Range

About Osaka Hokko Lighthouse

Osaka Hokko, a red tower standing 20 meters tall, emits three red flashes every 12 seconds. This structure's focal plane is situated 9 meters above sea level. Its geographic range extends to 5 nautical miles. The lighthouse is located in the Seto Naikai Eastern region.

Light & Optic

Characteristic Signature
Fl (3) R 12s
Flash Type
Flashing
Light Color
Red
Flash Count
3 flashes
Interval
12s
Raw Code
Fl.(3)R. period 12s
Focal Height
9m
Light Range
5NM (9.3 km)
Geographic Range
5NM

Location

City
Seto Naikai Eastern
Country
🇯🇵JP
Latitude
34.6731°
Longitude
135.4026°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
20m
Tower Color
red

Structure: Red tower; 20. JAPAN-SETO NAIKAI-EASTERN PART (I) 81 (1)

References & Identifiers

Admiralty No.
M5906
NGA No.
7332
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Frequently Asked Questions

How far offshore can Osaka Hokko Lighthouse be seen?+
With a focal height of 9 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Osaka Hokko is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Osaka Hokko Lighthouse at night?+
Osaka Hokko displays the characteristic Fl (3) R 12s — 3 red flashes every 12 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 Osaka Hokko Lighthouse guide vessels into?+
Osaka Hokko Lighthouse assists vessels approaching 5 nearby ports. The closest is Amagasaki at 1.9 NM to the NNW. Other ports served include Nishinomiya (1.9 NM NNW), Osaka, Tottori (2.1 NM SE), AmagasakiNishinomiyaAshiya (2.7 NM NNE), Osaka (4.8 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Osaka Hokko Lighthouse still active and maintained?+
Yes, Osaka Hokko 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 Osaka Hokko Lighthouse?+
Osaka Hokko 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 Osaka Hokko Lighthouse?+
You can track vessels near Osaka Hokko 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.