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Sakai Detached Breakwater North End Lighthouse

Fl Red 4s🇯🇵Osaka, JPOperational

Location & Light Range

About Sakai Detached Breakwater North End Lighthouse

This red, cylindrical concrete tower stands 19 meters tall, with its light positioned 22 meters above sea level. It is located at the seaward end of a detached breakwater situated on the south side of the entrance to Sakai's north harbor. The structure includes a lantern and gallery, and emits a red flash every 4 seconds. This operational lighthouse has a geographic range of 13.6 nautical miles. Access to the lighthouse is only possible by boat, and neither the site nor the tower is open to the public.

Why it matters: This light serves as a critical marker guiding vessels navigating the approach to Sakai's north harbor, preventing groundings and ensuring safe entry into the port.

Light & Optic

Characteristic Signature
Fl Red 4s
Flash Type
Flashing
Light Color
Red
Interval
4s
Raw Code
Fl R 4s
Focal Height
22m
Geographic Range
13.6NM

Location

City
Osaka
Country
🇯🇵Japan
Region
Osaka Prefecture
Sea Region
Seaward end of a detached breakwater on the south side of the entrance to the north harbor of Sakai.
Latitude
34.6103°
Longitude
135.4012°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

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

Structure: round concrete tower with lantern and gallery

References & Identifiers

Nearest Port
Osaka(2.2 km)
Admiralty No.
M5939.7
NGA No.
7296
ARLHS No.
JPN-1924
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Frequently Asked Questions

How do mariners identify Sakai Detached Breakwater North End Lighthouse at night?+
Sakai Detached Breakwater North End displays the characteristic Fl Red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Sakai Detached Breakwater North End Lighthouse guide vessels into?+
Sakai Detached Breakwater North End Lighthouse assists vessels approaching 5 nearby ports. The closest is Osaka, Tottori at 2.9 NM to the NNE. Other ports served include Sakaisenboku (4 NM SSE), Sakai (4.7 NM S), Amagasaki (5.5 NM N), Nishinomiya (5.5 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sakai Detached Breakwater North End Lighthouse still active and maintained?+
Yes, Sakai Detached Breakwater North End 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 Sakai Detached Breakwater North End Lighthouse?+
Sakai Detached Breakwater North End 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 Sakai Detached Breakwater North End Lighthouse?+
You can track vessels near Sakai Detached Breakwater North End 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.