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Sakai Hamadera South Breakwater Lighthouse

Iso R 6s🇯🇵Ōsaka Area, JPOperational

Location & Light Range

About Sakai Hamadera South Breakwater Lighthouse

This 18-meter concrete tower stands on the Ōsaka Area coast. The structure is round and painted red. Its light is red and displays an isophase characteristic. The focal height matches the tower's height, and it has a geographic range of 13 nautical miles.

Light & Optic

Characteristic Signature
Iso R 6s
Flash Type
Isophase
Light Color
Red
Flash Count
1 flash
Interval
6s
Raw Code
Iso
Focal Height
18m
Geographic Range
13NM

Location

City
Ōsaka Area
Country
🇯🇵JP
Latitude
34.5549°
Longitude
135.4094°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
18m
Tower Shape
round
Tower Color
red
Material
concrete

Structure: Pipe swing pole; 12. Seasonal

References & Identifiers

Admiralty No.
M5951
NGA No.
7288
OpenStreetMap
View on OSM →
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Frequently Asked Questions

How do mariners identify Sakai Hamadera South Breakwater Lighthouse at night?+
Sakai Hamadera South Breakwater displays the characteristic Iso R 6s — 1 red flash every 6 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 Sakai Hamadera South Breakwater Lighthouse guide vessels into?+
Sakai Hamadera South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Sakaisenboku at 1.2 NM to the ESE. Other ports served include Sakai (1.4 NM S), Osaka, Tottori (5.8 NM NNE), Hannan (6.1 NM SSW), KAIZUKA (6.5 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sakai Hamadera South Breakwater Lighthouse still active and maintained?+
Yes, Sakai Hamadera South 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 Sakai Hamadera South Breakwater Lighthouse?+
Sakai Hamadera South 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 Sakai Hamadera South Breakwater Lighthouse?+
You can track vessels near Sakai Hamadera South 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.